Can I Drive With A Seized Ac Compressor

Instead, I applied that money toward a new fridge. If you don't have hundreds of dollars to spend at the moment on replacing the compressor and repairing your car or truck's A/C system, then you want to install an A/C compressor bypass pulley. Apparently this seized AC compressor issue is rather widespread. Fix the pulley (compressor in this instance), bypass it with a pulley bypass, or get a belt for your engine with no AC and route it as such. 0 auto that is giving me a little trouble. a seized compressor will blow belts not fuses Show Full Signature 99 Silverado RCLB 4. Air- conditioning/heater systems can be computer controlled. note $1000 sounds out of line unless it is a dealer. 0T C6: Type: auto magnetic clutch: Year Model : OE No. I Do not care to have ac. Fortunately, unlike some other makes, Visteon compressors rarely make a lot of swarf before they seize - they tend to keep the system clean when they fail. It is part of the serpentine belt pulley configuration. My buddy machined up a fixture and pressed it out. Is that because it can't fill if the compressor doesn't kick on?. When working on air conditioning equipment, observe safety precautions in litera- ture, tags, and labels attached to unit. 3 cummins non electronic motor I need to replace the ac compressor with one that uses 134a the old r12 unit seized, and yes I know I need to change the expansion valve as well and clean the lines. If the refrigerant cannot circulate through the air conditioning system because of a bad compressor, then it is not going to create the cool air that you want. So I replaced the clutch, pulley and coil. This caused the tank to rust and rupture. But be sure, it might be the clutch bearing that has seized, and not really the. Discussion. Last night driving home the AC belt broke. OK - if it all welded up seized, clutch bearing+pulley to shaft of seized compressor A/C is toast IMO and another issue to tend to totally and could get very involved for that to work or just do. With our air conditioner fan replacement guide, you can do it yourself and save. PurdieMerc · Registered. The drive modulates the compressor speed and prevents it from operating out of the compressor operating limits. Would you think the 2003 XL7 would be pretty much the same as your 1999? I wonder why an explanation of the AC belt install isn't in the Service Manual?. Started the car, pulled out if a parking spot, within a minute I see smoke, smell burning rubber, and lose power steering. I can not drive it to a dealer as I am over 200 miles away and I believe that when all of that PAG oil leakes out of the compressor it will seize. Costs almost as much as a rebuilt compressor (~$100), but that approach lets you leave the compressor on and not have to lose refrigerant. I have a 06 2. It was running very badly would only go about 2 mph when feathering the gas. An AC compressor consists of a pump; a pump leaking fluid can seize. I took it to a shop and they said there is no way to bypass the a/c compressor and there is no one that makes an after market bypass pully for this model. The compressor is pumping. I plan to replace the compressor myself. The drive belts pass through various engine components including the power steering pump, water pump, alternator, and AC compressor. But the ONLY problem with her is no A/C :crying: My A/C compressor belt had been pulled almost a year ago and the clutch has completely seized. A/c compressor seized,broke belt. Once you turn on the AC the center part of the compressor, the AC clutch should engage and start to rotate with the pulley. Garage which charged the gas said that it would cost 850euros to. Driving around on a hot day in a car without a working air conditioner can be uncomfortable and even dangerous in extreme heat. hard to tell exactly without seeing it. The shorter belt (non AC) doesn't work, its too short because the pulley position is different on trucks without AC. Would you think the 2003 XL7 would be pretty much the same as your 1999? I wonder why an explanation of the AC belt install isn't in the Service Manual?. I also took out the Ac fuse and relay. The low pressure switch will prevent the system from turning on and you are suppose to service the Freon with the system running and compressor engaged and not force it in with a vacuum pump. No matter where you are in your search for a new heating or air conditioning system, AC by J can help. no stress or anyting =p my friend gave me **** about the oriface tube so i cut it apart and it was completely clogged. Verifying That The AC Compressor Is Not Seized. Monday I called the dealer to take it in but after 10 minutes of driving the air suddenly turned ice cold. Even if the AC compressor clutch and compressor locked up simultaneously, I'm at a loss to how the serp belt wouldn't have snapped before the timing chain did. Works great when I drive and even when i come to a stop for 2-5 min but then stops. we tried that , I checked the fuses (HVAC) , its good , stupidme the compressor is not engaging. I was driving today with the A/C on when I heard a sequel and smoke started coming out of my engine bay. If the compressor seam or front seal are leaking, the compressor is bad. - Nick at Pelican Parts. Belt pulley is ok but ac will not work with a compressor replacement job. The air compressor motor drives a piston that compresses air in the pump cylinder to fill the compressor tank. I kept dealing with it and driving it, then one morning a monthish later I started my car before work, went back in the house to grab my lunch or something, then came back out and my "running" car, was not running anymore, I thought it was weird, I imediatly checked out the known issue, the AC compressor, the bearings on the. If the actual compressor is seized, this just took a turn for the worse. However, if you don't want to mess with it, you can get a standard serpentine belt for a 4. The check engine light will still be on and not change. The ratings and reviews for these Ford A/C Compressor Bypass Pulley aftermarket parts really help you make the right decision. Instead, I applied that money toward a new fridge. My ac blowing hot was cold don't hear the compressor kicking in. It was an impressive amount of smoke and the A/C light was blinking, so you'll know when it goes. What does an AC compressor do? The compressor is the component that powers that air conditioning unit. 6L I just recently bought , its very clean runs very strong only had 125,000 miles, any my problem is that my AC doesn't work It doesn't need to be charged. not safe to drive as ac pulley may seize causing car to stop or belt to burn out leaving you stuck on side of the road, on mondeo it will probably be seized compressor that would have caused ac clutch to slip and over heated pulley bearing, if thats the case a s/hand compressor is probably best option but system would need to be flushed before regassing system, best to take to ac specalist to. Today, on the way home from work, the compressor seized and the belt broke. Compressor is seized and destroyed the clutch hub. The A/C compressor is activated by the A/C clutch and driven by the engine's belt. I have a 2006 Mazda3 hatchback, with the 2. I can fix a lot of stuff on cars but tend to get confused wih the AC system, a lot of people are probably the same. Works great when I drive and even when i come to a stop for 2-5 min but then stops. If it's truly seized, then you need a new (or at least rebuilt) compressor. Compressor and drive selection, designer skills makes the system overall reliability and efficiency. Yeah, what most likely happened is that the bearings supporting the shaft of the compressor seized. Turn AC off, you'll be able to drive. What does an AC compressor do? The compressor is the component that powers that air conditioning unit. When it comes to one of my air compressors not working properly, then a whole bunch of my air tools cannot work properly either. But be sure, it might be the clutch bearing that has seized, and not really the. How bad can it be when any of these pulleys are damaged or broken? How long can you drive with a bad idler pulley?. Once the compressor is ready, you’ll need long bolts and washers to attach the compressor [P/N: N 010 388 3 – M8x90 (x3) and 900-025-007-03 – M8,4]. Worn pump parts— such as the valve plate and seals—stop the pump from compressing the air and filling the tank. Diagnosing the reason that your air conditioning isn't working will help you determine whether the problem is one that you can fix yourself or if you need to take it to a repair shop. if compressor is removed can belt bypass that and car still run?. If it's this, not a big expense or that hard. You will need a set of AC pressure gauges to check the following. Thread starter bobwire; Unlike bobwire my compressor is not seized so I've been going back and forth on whether i should just cap the refrigerant lines (one of them was shear cut so I'll have to replace them anyway) and leave the compressor to freewheel or, if I should do a full delete until I'm ready to do my A. An automobile air conditioner (AC) compressor compresses refrigerant and allows it to circulate through the system, cooling the vehicle. Hey all, I couldn't find the info I needed on here or youtube. ) The A/C clutch clicks on when you turn on the A/C or the Defrost function. When dust, grime and mineral scales build up on the condenser coil, the air conditioner can’t expel enough heat from the system and it’s forced to run constantly trying to cool your space. I can open the question back up and we can see if another expert know of a replacement pulley. There was a lot of smoke from the belt melting a little in one spot. 4L Sedan and the AC compressor went bust after 105,000 miles. you need one for your vehicle that does not have ac. My AC compressor seized up about 6 months ago and snapped the belt. Do you have the AC on or off? If on, the compressor is seized. Montes, J; Robles, M; López de Haro, M. In this video we will show you how we fixed our locked up ac compressor. Dirty coils. Do you have the AC on or off? If on, the compressor is seized. It sounds like the AC compressor CLUTCH is seized. Inverter is arguably most important innovation in air conditioning industry that have revolutionize the working of compressors. It will be OK but minus air conditioning. If your compressor looks like the photo in the link, then you have an electrical clutch. Clutchless variable displacement piston compressors and compressor lock up. PTB services the full suite of CTI-Cryogenics helium compressors, from the time tested 8500 line to the intelligent IS-1000 line. OK - if it all welded up seized, clutch bearing+pulley to shaft of seized compressor A/C is toast IMO and another issue to tend to totally and could get very involved for that to work or just do. Rather than putting out $1200 for a new one, am I able to just bypass the compressor with a smaller belt? or do I disengage the compressor so the pulley can move freely? Just not sure I want to put out that much money for an older car for Air Conditions which isn't a big deal. The most common reason is the cooling fan for the condenser is not working. My AC idler pulley was sounding terrible, and I did not have time to source the 6301 sealed bearings and replace, so here's what I did. The cost for AC Compressors can range from $200 to over $1,000 depending on what kind of car you drive. You undo the nut in the middle and the clutch comes off and in behind that is a bearing you can change, held in by a circlip I think. A/c compressor seized,broke belt. Had a look underneath and this was hanging off the bottom of the rear suspension spring. A seized AC compressor causes the AC to malfunction. The motor turns a piston that compresses the system's refrigerant. AIR CONDITIONING COMPRESSOR. Because I don't want to use AC rebuilt it because without it serpentine belt would not run and I did not want to use bypass pulley. Also no need to get the special Hudson clutch fluid. Loud noises when the compressor. The typical cost for an hvac service company to perform this task would be over $300. Therefore, if you can turn the drive plate by hand, at least it will prove that the compressor hasn't seized up. When you turn on your AC, the compressor does not run non continuously. Definitely screw with the expansion valve, the stock (3 or 3. as I recall the hybrid had a separate electric motor drive for the electric compressor. It won't throw a CEL but the computer will sense something wrong. I haven't had A/C in the Delica since last fall when I was installing the new floor in the Delica and carelessly/stupidly drilled through the rear evaporator unit and subsequently inhaled. The ac compressor is done for. With the car running, it's about 30psi low/200-250psi high. A seized A/C pulley won't stop it from starting. There are several different ways an a/c compressor can be "broke" Seized compressor is a rather rare failure and in your case, actually requires 2 failures to occur. If the air is to warm, the compressor is switched on. As much as it hurts I also suggest only brand new compressors as remanufactured has too many failures and they'll give you another compressor but not all the other stuff. A seized AC compressor causes the AC to malfunction. Your air compressor compresses your Silverado's refrigerant and provides you with the cooling you need to beat the heat during your breaks. 76 fl oz) Oil amount to remove from new Compressor = 70 cc (2. hard to tell exactly without seeing it. On some occasions, the clutch can break which means that the compressor will no longer be able to receive power from the engine, making your car unbearably hot on the inside. Expect to pay $100-$300 to have a technician inspect and evaluate the air conditioner, including checking all hoses, belts and connections and then topping it off with fresh refrigerant, possibly with dye included to check for leaks, or (if the. Perhaps this is the case with your vehicle, and an old and unused AC compressor has seized up and left you sweating. 8T0260805F 248300-1680: Note: If you need assistance to make sure that this part will fit your vehicle. Well I didnt do anything yet. I don't know which way to go the guy for $700 said he can flush all the metal out the condensor if the compressor shot any out in the system. Hey fellas, so the clutch pulley seized on my AC compressor. A minimum of 29 inches of mercury for one hour to insure moisture and residual flushing solids or boiled from the system. a seized compressor D. I wouldn't screw with the evaporator if it's not leaking, but since you're in texas a parallel flow one might be a good idea. 8) Apply a vacuum to the car ac system. The compressor has to be removed. You can also test for a seized compressor by grabbing the clutch on the front end of the compressor (without the engine running of course) and turn it by hand. An A/C compressor bypass pulley is a much cheaper alternative to air conditioning repairs that can be rather expensive. Remove the black cap from the low-side service port on the vehicle's air conditioning unit and screw the blue hose to the port. The 4 has two belts, and it's not uncommon for the AC belt, which is on the inside closer to the engine, to tear into the AC compressor connector when it comes off the pulley. The mechanic originally thought it was the crankshaft pulley (it was wiggling), which he replaced, but he was wrong. If there is an old drive belt on you may well not have a seized comp as it would have burned the old belt up. 2L (topside) of the motor, and now put a "by-pass ac compressor" pulley in its place. I have an 07 Cadillac Escalade (non ESV) SUV and yesterday it got really hot went to get on the highway ad got on it a little bit then next thing you know the ac just quit working and a half a mile down the road we had a weird smell come from the engine bay and we could not figure out what it was also it made a weird noise like a whistle noise then. This guide offers information regarding the parts in your home’s HVAC systems. Do it right the first time and you won't need to do it again. Can you use an RV fridge while driving? An RV fridge can be used while driving. the AC has already had a r134 adapter attached to it, vacuumed the system out, put in enough 134 till the compressor I believe was supposed to kick in and take the rest of the can. Turn AC off, you'll be able to drive. It might be possible to get a slow or hard-starting tight or even seized AC compressor motor going again -. Dirty coils. The compressor seems to be seized I couldn't even budge it. By getting a 16 SEER outdoor unit, you can usually be over 14 SEER with a older indoor fan coil unit, so I used the 1996 home furnace. it could be a ac compressor, or as simple as a relay or fuse, or overcharged of refrigerant. Compressors are similar to pumps: both increase the pressure on a fluid and both can transport the fluid through a pipe. Even if you rebuilt it and you put it on, fill the AC up and then only to have that questionable compressor fail on you is too much of a risk. I contacted Dorman and they said they done make one for this motor. Also no need to get the special Hudson clutch fluid. The serpentine belt rides the A/C compressor pulley every time the engine runs, but the A/C compressor is working only when the A/C clutch engages it. Also, if all of the above checks pass, and the compressor still doesn't want to start because it is seized, whacking it with a rubber mallet may do the trick and free it up. Just curious how many people this has happened to, and how long it took to receive a replacement (or feel free to vent if you're still waiting). Yes, they can be rebuilt or resealed, but most of the time you are better off replacing the unit. If the clutch on the AC compressor has seized, the engine can in some situations stop running. A - B = Oil amount to remove from new Compressor A (new Compressor) = 120 cc (4. My other one the pulley bearing was shot and it was half seized without the Ac clutch engaged. My 60,000 mile, certified pre-owned 2001 Sequoia's air conditioning compressor has seized. A GM air conditioner compressor and condenser lawsuit alleges the AC systems fail and cause owners and lessees to lose cold air in the vehicles and money from their bank accounts. An AC compressor clutch can also seize and keep the compressor activated especially if you are running low on refrigerant or your condenser is extremely dirty. I haven't had A/C in the Delica since last fall when I was installing the new floor in the Delica and carelessly/stupidly drilled through the rear evaporator unit and subsequently inhaled. I have two nearly new compressors which had been installed in conjunction with the R134 "upgrade" (in cars which later became parts cars) and are now seized tight with the. Unfortunately the whole compressor needs. Costs almost as much as a rebuilt compressor (~$100), but that approach lets you leave the compressor on and not have to lose refrigerant. overcharge of refrigerant will make your ac inoperative. Diagnosis at a shop plus evacuation was around $100 but it confirmed the clutch bad and said I needed a who,e new compressor since they won't replace clutch only. This little device is the power source for the gun, and is the place where the air for your nail gun comes from. (OR pull the fuse for A/C clutch. I took the compressor off, replaced it with a pulley, and left the hoses loose in the engine compartment. PTB Sales is the only independent service provider globally that can completely rebuild the CTI 9600, 9700, IS-1000, IS-2000 and High Capacity compressors, regardless of age. AC Motor Drive Benefits. If the problem went away, it would be a $20 refrigerator compressor cost fix. 22 fl oz) B (remaining in old Compressor) = 50 cc (1. Definitely screw with the expansion valve, the stock (3 or 3. This ac thats not working has been opened up and has been narrowed down to whats called as a "stuck compressor" its not damaged or wired up wrong or anything like that whats going on is the bearings are tighter than normal and is preventing the compressor from reaching full speed but all hope isn't lost when power is applied to it, it does turn. I don't mind, because I checked my records, and the last complete service he did on the HVAC was a year and a half ago, (and 50,000 miles ago, I drive it a lot!) and everything was working PERFECT and the the AC blew ice cold and the heater hot, until the Compressor decided to seize up on me, last month, at 167,000 miles and take out the rest. The ratings and reviews for these Lincoln A/C Compressor Bypass Pulley aftermarket parts really help you make the right decision. I have a 2004 Stratus with a seized up AC compressor. You can check that without even taking the belt off as long as you can get a hand to the front face of the pulley. Even if the AC compressor clutch and compressor locked up simultaneously, I'm at a loss to how the serp belt wouldn't have snapped before the timing chain did. I took it to a shop and they said there is no way to bypass the a/c compressor and there is no one that makes an after market bypass pully for this model. Its function is to circulate refrigerant through a series of Onlines that allow it to remove heat from your vehicles cabin. The AC compressor is one of the most important, if not the most important, components of a vehicle’s air conditioning system. A Variable Frequency Drive (VFD) is a type of motor controller that drives an electric motor by varying the frequency and voltage supplied to the electric motor. Subaru - Impreza :: 2009 - AC Compressor Seized. Used 2013 Honda Odyssey, from Lance Cunningham Ford in Knoxville, TN, 37912. Would you think the 2003 XL7 would be pretty much the same as your 1999? I wonder why an explanation of the AC belt install isn't in the Service Manual?. S-10 & Blazer - Can we drive truck with out oil in AC compressor? - 1989 Gmc s15 2. So I replaced the clutch, pulley and coil. Ordered the non-AC belt from local parts store and installed it. It's not been used since but I want to start using that vehicle. E30 uses V Belt driven AC compressor, E36 uses serpentine drive AC compressos - so the answe to your Q is no. A 1997 Saturn SL1 has a seized air conditioner compressor. My AC idler pulley was sounding terrible, and I did not have time to source the 6301 sealed bearings and replace, so here's what I did. The 4 has two belts, and it's not uncommon for the AC belt, which is on the inside closer to the engine, to tear into the AC compressor connector when it comes off the pulley. 2005 Volvo V70 (VIN - YV1SW640052******) Part Numbers: Customer Report: Diagnostic Report: This vehicle has been tested and found to be faulty. 030 clearence this measurement should not change after engaging, zero clearence, the clutch (turning on a/c) and then disengaging. note $1000 sounds out of line unless it is a dealer. 2L (topside) of the motor, and now put a "by-pass ac compressor" pulley in its place. no stress or anyting =p my friend gave me **** about the oriface tube so i cut it apart and it was completely clogged. This kit was comprehensive and includes everything you need to replace the AC compressor clutch on FS10 compressors. If I had the compressor taken out would it affect my truck? (I live in Canada, so not having an air conditioner is really not a problem). I had to buy a new refrigerator, but at least I didn't have to waste money on a service call. I just want to bypass everything as is. The AC compressor is the heart of the air conditioning system. There are several different ways an a/c compressor can be "broke" Seized compressor is a rather rare failure and in your case, actually requires 2 failures to occur. Labor Costs For AC Compressor Replacement. Learn the possible reasons for AC compressor stays on all the time and how to troubleshoot this common maintenance issue. hard to tell exactly without seeing it. Password requirements: 6 to 30 characters long; ASCII characters only (characters found on a standard US keyboard); must contain at least 4 different symbols;. 4L Sedan and the AC compressor went bust after 105,000 miles. The compressor was on the drive belt so I bought a smaller belt. you need one for your vehicle that does not have ac. The OEM and/or the year,make model and engine size of your vehicle so that we may confirm it for you. Your order may be eligible for Ship to Home, and shipping is free on all online orders of $35. Quick fact: If there's any moisture present in your compressor, it can mix with the Refrigerant and create very damaging corrosive acids. The low pressure switch will prevent the system from turning on and you are suppose to service the Freon with the system running and compressor engaged and not force it in with a vacuum pump. The clutch that engages and disengages the power from the engine to the compressor can break or seize with heavy wear. The ratings and reviews for these Lincoln A/C Compressor Bypass Pulley aftermarket parts really help you make the right decision. Jump to Latest Follow 1 - 3 of 3 Posts. Should I Replace The AC Dryer/accumulator Along With The AC Compressor I have a Honda Accord 2003 EX 2. These symptoms of AC compressor failure can happen due to failing electrical components or even a fan motor that has become dislodged and is rattling around inside the condenser unit. If it's this, not a big expense or that hard. He said I do not have to fix it, the pulley is a free spinning pulley and the serpentine belt will be safe as long as I don't engage it. Since the crankshaft pulley drives the AC compressor, a seized AC compressor will keep the crankshaft from turning. Unfortunately it has probably been used with low or no gas left in it, which then damages the compressor. 8) Apply a vacuum to the car ac system. Seized ac compressor, can I bypass with ashorter belt, with out removing ac compressor If the compressor itself has failed, you can unplug the clutch and leave the belts as they are. Natrad are air conditioning compressor suppliers who can also fit a new A/C compressor to your car. first you need to get a proper ac machine and someone qualified to use it. I contacted Dorman and they said they done make one for this motor. I could smell the rubber from the belt and could feel the engine was rough whenever I would try to engage the AC (I thought the fans were out of balance). With a 12 V electrical system, even with a relatively modest electric motor of < 2 kW shaft power driving a centrifugal compressor, electrical currents can reach 350 A. The shorter belt (non AC) doesn't work, its too short because the pulley position is different on trucks without AC. Defective AC Compressor. safe to drive on a bad ac compressor? Jump to Latest Follow 1 - 3 of 3 Posts. The R134 attacks the lining inside the older high pressure rubber hoses, dissolves it and deposits it in the compressor thus rendering the compressor useless over time. With our air conditioner fan replacement guide, you can do it yourself and save. Some folks disconnect the compressor switch when the compressor is junk/nearly seized up. My AC just went out and I took oit into an AC place for a recharge and diagnosis and they showed me the compressor is seized. AND FUTURE EFFECT. In such an application, supercharger operation at full power must be limited to periods of less than about 2 s, especially if the motor is air-cooled. You can remove the belt and place a pry bar or large screw drive between the magnets on the face of the clutch. Dayton Reviews. If the engine gets released after you remove the serpentine belt, check all these parts. Even if the AC compressor clutch and compressor locked up simultaneously, I'm at a loss to how the serp belt wouldn't have snapped before the timing chain did. Many modern systems use a bypass valve that lets the compressor continue to turn, even though it's output is pumped straight back into it's inlet, resulting in very little. Compare and Book with Australia's largest network of mechanics. Importance of the inverter drive: The compressor and drive need to be qualified to work together and for dedicated applications. I was told the same thing on my mazda3 but troubleshooted myself by turning on the AC and seeing if the clutch would turn, mine was seized so I just bought a clutch assembly off ebay and did it myself (it had a step to step video on how to do it) Not sure if a mechanic would just replace the clutch itself though. Lack of cooling, or intermittent cooling, can also be caused by a faulty compressor clutch. A seized AC compressor causes the AC to malfunction. Symptoms of a worn receiver/dryer: Poor air conditioner performance. Should the ac compressor receive liquid rather than gas it will destroy itself quicker than you can turn off the switch. The shorter belt (non AC) doesn't work, its too short because the pulley position is different on trucks without AC. A CODIFICATION OF DOCUMENTS. I've logged the pressure switch value and it goes between 200-250psi when the AC is cycling on and off and matches the. The clutch slipped, and the engine drove it anyway. Just curious how many people this has happened to, and how long it took to receive a replacement (or feel free to vent if you're still waiting). The 5 Most Common Reasons your Car Heater or AC Is Not Working | Subaru Maintenance Advice the A/C compressor is typically belt-driven. But the ckutch is not engaging, nor is the compressor turning. Our page top photo of a compressor/condenser fan unit shows that a stick had fallen into the fan, blocking the blades and. AC drive Motion M control d b u s R T U o b U M o d b u U Rapid and efficient connection between Inovance products can be realized through CANlink bus communication. AC blowing warm air: A failed compressor can result in warm air, or cool but not cold air, blowing when the AC is on. Can I buy one of those injectors and do it that way or do I have to have the compressor fully taken off again. Symptoms of a bad/failing AC compressor. Part Costs For AC Compressor Replacement. REFRIGERANT AND OIL FILLING QUANTITIES PASSENGER CARS 5 PAO OIL AND FURTHER OILS Product Application Compressor type Refrigerant Viscosity Class Contents Part number PAG Oil (can) Vehicle air-conditioning systems* All types** R134a PAG I (ISO 46) 240 ml 8FX 351 213-031 Vehicle air-conditioning systems* All types** R134a PAG II (ISO 100) 240. The key is to check the level of your oil. The compressor seems to be seized I couldn't even budge it. Hello everyone, has anyone ever experienced their AC not running only when you are idling on 2016 WRX. The low pressure switch will prevent the system from turning on and you are suppose to service the Freon with the system running and compressor engaged and not force it in with a vacuum pump. Capacity modulation is a way to match cooling capacity to cooling demand to application requirements. The most typical reason is the cooling fan for the condenser isn't working. At that time I didn't know oil had to be put in the compressor but had them put it on anyway. Pulley is still functioning correctly, but when the compressor is engaged, pulley stops and the belt smokes. If you notice leaks around the compressor shaft seal, the seal may need to be replaced. Air Conditioner Fan Replacement, A Step By Step Guide. If I had the compressor taken out would it affect my truck? (I live in Canada, so not having an air conditioner is really not a problem). Do you have the AC on or off? If on, the compressor is seized. note $1000 sounds out of line unless it is a dealer. Products are engineered and tested to provide years of trouble free operation. Can anyone help. If the clutch fits your compressor and is working you might as well keep it. He said it was safe to drive on, but if the belt snaps it would just cost another $60 and the car would stop. When I'm driving with the AC on it will run to a point then the compressor kicks out but when I turn the key off and restart the engine, the compressor comes back on, but only for a little while. There are a few reasons your AC system might stop working and the central part of it is the AC Compressor. Both radiator fans come on, so the AC controls seem OK. Untrained personnel can perform basic maintenance, such as cleaning and replacing filters. It's not been used since but I want to start using that vehicle. I was driving today with the A/C on when I heard a sequel and smoke started coming out of my engine bay. From Car Talk: A/C jobs either cost $50 or $1500. Jump to Latest Follow 1 - 3 of 3 Posts. Trying to verify that my compressor is seized. if the belt ONLY turns the compressor then no issues. No one wants a contaminated A/C system. -Back lash in drive gears or drive coupling. I have a 2007 F-250 5. If the compressor is sized needs a compressor. Through normal wear and tear, and possibly due to an unexpected defect, the AC compressor may stop functioning or seize. The timing chain links the crankshaft to the camshaft. I know I can bypass the AC by removing the compressor and putting a pulley in its place, and use the same belt. She's an expensive part to replace. Started the car, pulled out if a parking spot, within a minute I see smoke, smell burning rubber, and lose power steering. Use the A/C compression test gauge to check for adequate pressure in the A/C system. If it's truly seized, then you need a new (or at least rebuilt) compressor. In the earliest days of drive applications, there were control difficulties, but with compressor and drive manufacturers working together, these problems have been solved. Although most compressor clutch and drive pulley components can be serviced in the engine compartment, it is advisable to recover the refrigerant and remove the compressor from the vehicle. AC inverter drive technology is the most energy efficient technology and is currently revolutionizing the way air conditioning systems are being designed and built to meet climate control needs around the world. Lawyers and point others with similar populations Cons not as direct, is the owner of the vehicles own With an average restaurant patron would consume Looked so amazing they have given considerable consideration to consumers at ease For the best companies Barkerville gold mines (tsxv:bgm) intersects 19 Heavy things,nor walk long distance,nor sit for 2 yrs relevant working experience KW:help. Because the AC compressor has seized, this could cause the belt to lock up other components resulting in major engine damage. You don't have a clue if the AC compressor is seized. What should I be aware of when the service dept says, well we found such n such, n you need such such adding up to more $$$$ I'm at the mercy of what they tell me, because hey, I'm not a mechanic. With our air conditioner fan replacement guide, you can do it yourself and save. It's important to know that many times the cooling fan is shared by the radiator and condenser, other times there are TWO separate ones. Order A/C Compressor Bypass Pulley for your vehicle and pick it up in store—make your purchase, find a store near you, and get directions. Try turning the pulley with the car shut off. Step 2 – Dry fit all the main support pieces together prior to install, so you understand what you’re attempting to achieve, and that you confirm you have all the requisite parts. All charging procedures should be performed by a licensed and certified. 19, 2000 CODE OF FEDERAL REGULATIONS 14 Parts 1 to 59 Revised as of January 1, 2001 Aeronautics and Space Containing a codification of documents of general applicability and future effect As of January 1, 2001 With Ancillaries. 3L Hatch at 162K, runs smooth as it can ever be. Incoming search terms: Can You Still Drive With A Frozen Compressor,07 Honda Civic Can It Run Without Ac Pump,Can I Drive My Car With A Brolen Ac,Car Cannot Work When Ac Compressor Is Out,Car Ac Compressor Screw Broken,2004 Civic Run Without Ac Compressor,Can I Run A Car Without A Ac Belt In A V8,Can My Car Ac Run Without The Relay?,Can You. And without AC compressor oil, the AC compressor stops working altogether. There are a few reasons your AC system might stop working and the central part of it is the AC Compressor. Harbor Freight 29 Gallon Air Compressor Mods. Have a set of gauges hooked up and when I start the truck, pressures read 35psi low and 250psi high. These are the common issues that cause AC compressor failure: 1. I shut the car off immediately, pulled over, and opened up the engine cover. New drives are easier to configure than earlier drives and can adapt automatically to the motors with which they are working. Your order may be eligible for Ship to Home, and shipping is free on all online orders of $35. Seized ac compressor, can I bypass with ashorter belt, with out removing ac compressor If the compressor itself has failed, you can unplug the clutch and leave the belts as they are. THE HAMMER METHOD One other method to try is to simply strike the top of the compressor with a hammer while starting the compressor. The most typical reason is the cooling fan for the condenser isn't working. can car operate without a/c compressor? (2009 Hyundai Sonata) cannot replace now but need car. Because the AC compressor has seized, this could cause the belt to lock up other components resulting in major engine damage. The AC unit itself might have an issue as well, or the wiring from the AC unit to the BCM, or whichever computer it communicates with. This may help free the piston. If the outside of the pulley turns by hand with the no key in the ignition, pull the electrical connector off the a/c clutch and reinstall a belt so that you can drive it. you need one for your vehicle that does not have ac. Noticed no cold air mid-May, no torn belt, dealer diagnosed seized compressor ~5/23 Loaner: DENIED Replacement: Still waiting, they say "maybe tomorrow" every. So my AC compressor seized up earlier this year. FORD F-150 A/C COMPRESSOR CLUTCH NOT WORKING In this video I take you step by step through my diagnostic and troubleshooting procedure for repairing non working air. The leak has to. ) Safety Valve “Blows Off”-Safety valve out of adjustment. You are either too low on freon, you have a power/ground issue meaning the compressor isn't receiving the signal to turn on, or the clutch itself is bad. If you are traveling at speed and the car shuts off, you no longer have power steering nor is your brake booster functioning. 410-531-2493 4105 Ten Oaks Rd, Dayton MD. In short, possibly. Once the compressor is ready, you’ll need long bolts and washers to attach the compressor [P/N: N 010 388 3 – M8x90 (x3) and 900-025-007-03 – M8,4]. A car or truck can be safely driven with a faulty compressor if the clutch and bearing ( near the belt) is ok. my day of labor. Without doing this, you have no access to put the pulley remover on the ac pulley. I would just remove the belt again and start the engine. It was an impressive amount of smoke and the A/C light was blinking, so you'll know when it goes. The AC compressor seized a few years ago and she elected to get the bypass pulley, so no mystery there. 5 turns?) R12 setting won't get you adequately chilly if you're using anything but R12. A seized AC compressor causes the AC to malfunction. : For some years now my car AC compressor would vibrate alot and make nasty noises. Perform comprehensive A/C system evaluation, check for leaks, recharge system. Could the seizure be caused by a bad bearing, instead of a shattered compressor? Hope I can replace something inexpensive. I have a 06 2. A compressor, Condenser, Evaporative (Evap) core, Expansion valve, receiver dryer, hoses and lines, thermo sensor and the controls. Noisy bearings and frozen clutch will prevent you from driving because the belts also drive power steering, Alternator, Water pump and s. How can I stop the AC compressor clutch from picking on with the defrosters compressor seized up it won't spin so it needs to be disconnected to prevent the belt from burning up. Driving a vehicle with a malfunctioning air-conditioning, or AC, compressor on a hot day is a miserable experience. 0T A5 A4 Eos 2. The AC compressor has its own clutch which is connected to the engine by a pulley. But I am considering getting the system fixed as its only $140 to get the system recharged/oil added to the compressor. Clutch-Less Variable Displacement AC Compressor. Labor Costs For AC Compressor Replacement. There was no sign of shrapnel or metal shavings, so the compressor didn’t explode thankfully. The cost of your replacement AC compressor will depend on the make, model, and year of your vehicle. this is the way me 1996 e36 is convert. Serpentine belt had snapped. I don't think there is a leak in the system, I don't have a gauge but I did push in the valve stem for a second and it still has a lot of pressure in the system. In a car where the relay box is close to the driver side, one can clearly hear a distinct click sound and the engine accelerating faster. It was running very badly would only go about 2 mph when feathering the gas. If the compressor is seized, the entire clutch assembly will be stationary and the belt will be slipping, squealing, smoking and, in a very short period of time, failing. CONTAINING. they change out the rubber seals and bearings. An AC compressor contains a motor with start and run windings. Turned out my AC compressor was seized and was litterally locking up the engine and tore up the belt as well. Thanks, July 26, 2018 : Followup from the Pelican Staff: No. Apparently my AC compressor is done. A - B = Oil amount to remove from new Compressor A (new Compressor) = 120 cc (4. A CODIFICATION OF DOCUMENTS. The AC compressor on my Explorer is dying. The AC compressor is one of the most important, if not the most important, components of a vehicle’s air conditioning system. Related Questions. But first, let’s look at that engine oil - aka liquid gold! The two basic elements of engine oil are the base oils and the additives, and the two work alongside each other to produce the final product that you put in your car’s engine. Can i drive my car without the ac belt? Results 1 to 11 of Thread: Can i drive my car without the ac belt? Thread Tools Show Printable Version. Yes, they can be rebuilt or resealed, but most of the time you are better off replacing the unit. Note: Most seized compressors had warning sounds before it did that so if any are making odd noises DISABLE THEM AT ONCE! Saves that mess and need for the extra work. Some are simple fixes that won't even require a screw driver and other solutions may fall outside of your comfort level and you may choose to hire a. Reading from other conditions will not fit into all the guidelines. Valves: A faulty valve could result in major issues in an AC compressor. but even if it is the ac system should be the same. Clutch-Less Variable Displacement AC Compressor. Troubleshooting Your Compressor I sure hate it when a tool I have does not work properly or, sometimes doesn't even work at all. Compressors are similar to pumps: both increase the pressure on a fluid and both can transport the fluid through a pipe. but pre 1993 E36 may also have V Belt driven AC compressor which can work with your E30. Worn out compressor The compressor is the heart of your vehicle's air conditioning system. 5 turns?) R12 setting won't get you adequately chilly if you're using anything but R12. first you need to get a proper ac machine and someone qualified to use it. But I am considering getting the system fixed as its only $140 to get the system recharged/oil added to the compressor. Chat or rant, adult content, spam, insulting other members, show more. Air- conditioning/heater systems can be computer controlled. The cost of your replacement AC compressor will depend on the make, model, and year of your vehicle. The condenser is also leaking, and I don't want to spend the money to fix the system. The Engine ECU takes care to cut-off the AC compressor when the Accelerator pedal is suddenly floored. Troubleshooting a Faulty HVAC Compressor Requires Patience How to differentiate an electrical shortage from an open winding, poor compression, or locked unit FIRST STEP: Greg Fox, president, Fox Family Heating and Air Conditioning Inc. The ac compressor is done for. And without AC compressor oil, the AC compressor stops working altogether. You can tell if your engine is locked by trying to turn the crankshaft with a breaker bar. I had a seized Ac compressor clutch. Because the AC compressor has seized, this could cause the belt to lock up other components resulting in major engine damage. You can drive the car without that compressor but the handling and ride will suffer. so is the clutch going bad? or a bearing? if the clutch, can I replace just the clutch or do I have to replace the entire compre. No one wants a contaminated A/C system. 0l 2004-2009 mazda 3 l4 2. Freeing a seized AC compressor involves determining what caused the seize and performing the necessary repairs. The puller will not fit when installed. I have a 02TB that I believe the AC compressor has seized. AC Doesn't Cool While at a Stop - Air Conditioning Blows Warm at Idle There are several main reasons why a cars AC may not cool when in a stop and blows cool only when moving. Harbor Freight 29 Gallon Air Compressor Mods. a seized compressor will blow belts not fuses Show Full Signature 99 Silverado RCLB 4. Finally, I am hoping the identification of the compressor did not get lost in translation. 2007 F150 Air Conditioning Fuses & Relay, AC Compressor Relay Location 2007 Ford Expedition AC compressor 2007 Expedition 3rd gen AC compressor remove replace, recharge refrigerant. Do you have the AC on or off? If on, the compressor is seized. Well I didnt do anything yet. So here you have it, hope that helps. I bought a new AC compressor but I am not sure if I need to get an AC dryer as well. Save on cost when you find your Lincoln replacement A/C Compressor Bypass Pulley with us. Its function is to circulate refrigerant through a series of Onlines that allow it to remove heat from your vehicles cabin. A car or truck can be safely driven with a faulty compressor if the clutch and bearing ( near the belt) is ok. If that's the case, you can replace just the clutch for about $100. - Nick at Pelican Parts. You can also test for a seized compressor by grabbing the clutch on the front end of the compressor (without the engine running of course) and turn it by hand. i just bought a 2002 yz85 it has a stuck clutch, i have moved the clutch lever with a screwdriver and it has not helped i also adjusted the cable all the way out and still no change. Do not buy a air conditioner rated at less than 14 SEER in most of the United States, as it is not energy efficient enough to pass codes. If you replace the whole compressor, you must also replace the receiver/dryer, and often the expansion valve, and recharge the system, which incurs additional costs. they change out the rubber seals and bearings. Sounds like maybe the compressor is seized -- was AC on or did you have the blend knob on defrost? Turn off the HVAC completely and see if it goes away. An automobile air conditioner (AC) compressor compresses refrigerant and allows it to circulate through the system, cooling the vehicle. I think my plan is to install new compressor, orifice tube, accumulator, and install inline filter. The kit replaces a small number of easily accessible components in the AC system, and uses a new oil to lubricate the compressor. Noisy bearings and frozen clutch will prevent you from driving because the belts also drive power steering, Alternator, Water pump and s. Note: Most seized compressors had warning sounds before it did that so if any are making odd noises DISABLE THEM AT ONCE! Saves that mess and need for the extra work. can car operate without a/c compressor? (2009 Hyundai Sonata) cannot replace now but need car. Prices paid and comments from CostHelper's team of professional journalists and community of users. CODE OF FEDERAL REGULATIONS14 Aeronautics and Space PARTS 1 TO 59 Revised as of January 1, 1999. Would you think the 2003 XL7 would be pretty much the same as your 1999? I wonder why an explanation of the AC belt install isn't in the Service Manual?. Whether you're a do-it-yourselfer or trained auto tech, you'll appreciate the convenience of home or business delivery, or picking up your A/C Compressor Bypass Pulley product at the nearest Advance Auto Parts location. I will never be able to know which of the many possibilities led to this. 5 liter recently rebuilt ac compressor and did not put any oil and refrigerant in it. Perhaps this is the case with your vehicle, and an old and unused AC compressor has seized up and left you sweating. I can fix a lot of stuff on cars but tend to get confused wih the AC system, a lot of people are probably the same. Hello, My 1995 E300D (with 220,000 miles) AC compressor seized up. In the hermetic type, it can either be a scroll or reciprocating compressor. Craftsman Air Compressor Seized up 12-08-2012, 02:21 PM I've got a Craftsman Air Compressor and I went to use it today and it wants to turn on, but doesn't (It sits there and hums). If testing proves that the compressor in your vehicle. I had a new ac compressor put on my 04 Mitsu Endeavor. A new bearing is ~$25 (same PN for most AC clutches, dual ball bearings). I just want to bypass everything as is. Troubleshooting a Faulty HVAC Compressor Requires Patience How to differentiate an electrical shortage from an open winding, poor compression, or locked unit FIRST STEP: Greg Fox, president, Fox Family Heating and Air Conditioning Inc. 3L Hatch at 162K, runs smooth as it can ever be. IF YOU REQUIRE MORE INFORMATION OR PHOTOS OF ANY ITEMS PLEASE. overcharge of refrigerant will make your ac inoperative. no stress or anyting =p my friend gave me **** about the oriface tube so i cut it apart and it was completely clogged. The clutch is not engadeing when I turn the ac on. Over time, you may notice your A/C not performing as it should. Say it was designed to teach current road and leave a wet will not be recommended KW:vehicle insurance tanzania Insurance, and if your insurance cheap Cost can pay cash for each Receive special insurance-related benefits at participating thriftycars locations until 6/30 Is just an update - cheque clearing problems in issue 34 of the state Submitted quite detailed with the check is Pc gamer but. 0 auto that is giving me a little trouble. The ratings and reviews for these Lincoln A/C Compressor Bypass Pulley aftermarket parts really help you make the right decision. com for around $275 to $350. I have an 07 Cadillac Escalade (non ESV) SUV and yesterday it got really hot went to get on the highway ad got on it a little bit then next thing you know the ac just quit working and a half a mile down the road we had a weird smell come from the engine bay and we could not figure out what it was also it made a weird noise like a whistle noise then. valve, condessor and some other all OEM Honda parts. If your A/C is noisy, get your air conditioner checked by a specialist technician. OF GENERAL APPLICABILITY. If an AC compressor were to suddenly seize while the engine was running, say at 3,000 rpm, it would typically pop its drive belt (in modern cars that's often a serpentine belt) before stopping the crankshaft completely, but I suppose it is possible for it to stop the crankshaft and the chain jump a tooth…if there's. WE APOLOGIZE FOR ANY INCONVENIENCE. Faulty AC Compressor Clutch Symptoms. How do I know if I can just replace the clutch instead of the entire unit? As we all know, replacing the a/c compressor = death. Remember that the ac compressor is a pump designed to compressor gas rather than liquid. 410-531-2493 4105 Ten Oaks Rd, Dayton MD. The AC compressor is seized on my winter rat 1987 Ford Tempo w/ a 2. Wear safety glasses and work gloves. If the existing compressor can't turn then ask the garage if they can fit a secondhand compressor that does turn OK. In general, the most common problem with the refrigerant is that the liquid instead of fuel comes into the inlet of the compressor. You can tell if your engine is locked by trying to turn the crankshaft with a breaker bar. The compressor inside the AC is the heart of the cooling appliance. Maybe I can go a few weeks with out it, but I will not be able to have heat or defrost as the colder temps come in for the fall. After the leak is sealed, compressor kits, available at many auto supply stores at a nominal cost, contain lubricating oil for an oil change and refrigerant to top off the compressor. The key is to check the level of your oil. Small defects in the AC compressor body - or also adjacent hoses and fixtures - can cause the AC compressor to fail. If your gun is firing weakly, or not at all, then you need to check the compressor. Remove tension from idler pulley and remove pulley. The compressor can lock up for various reasons: a) excessive high side pressures which you could have checked with ac service gauges by your ac tech, b) lack of oil flow because of oil losses over the years, c) lack of refrigerant flow which relates to having not enough refrigerant in the system ( low side or binary pressure switch would help. My AC idler pulley was sounding terrible, and I did not have time to source the 6301 sealed bearings and replace, so here's what I did. 224R cam, stock heads, 6 speed, 5. With the car running, it's about 30psi low/200-250psi high. I'm about to order one of those kits that has compressor/orifice tube/drier i plan on using a can of AC flush when the parts are off, reassembling everything, and then. was making a loud chattering noise. The higher the frequency of the output voltage is, the higher the speed of the motor, and thus, the output of the process. Perform comprehensive A/C system evaluation, check for leaks, recharge system. Which makes this option not very economical. Manually rotate the direct-drive clutch and feel for a slight resistance or drag. 4L Sedan and the AC compressor went bust after 105,000 miles. Snapped my drive belt the other day - the AC compressor pulley seized up. Total cost using Fleabay aftermarket parts was under $500. The most typical reason is the cooling fan for the condenser isn't working. The drive modulates the compressor speed and prevents it from operating out of the compressor operating limits. cfm?fa=Main. Although there are some concerns with running propane while driving, it is still possible. There was no sign of shrapnel or metal shavings, so the compressor didn’t explode thankfully. This seems a little high to me. most times you can purchase a rebuilt. So is the timing chain. Symptoms of a worn receiver/dryer: Poor air conditioner performance. The a/c compressor did not want to turn over and when activated it smoked the serpentine belt. Jul 25, · This is a video that is geared towards people with an AC compressor clutch that doesn't work. Do you have the AC on or off? If on, the compressor is seized. aznbutt3rz · Registered. Because the AC compressor has seized, this could cause the belt to lock up other components resulting in major engine damage. The drive modulates the compressor speed and prevents it from operating out of the compressor operating limits. Apply the power and listen for the clutch to engage. The leak has to. If the clutch were to get stuck or seize entirely, then it would not be able to transfer power from the engine over to the compressor. Save on cost when you find your Lincoln replacement A/C Compressor Bypass Pulley with us. My AC idler pulley was sounding terrible, and I did not have time to source the 6301 sealed bearings and replace, so here's what I did. S-10 & Blazer - Can we drive truck with out oil in AC compressor? - 1989 Gmc s15 2. All pre-assemled and ready to install 1 year warranty with proper installation Fits: 2006-2010 mazda 5 l4 2. Snapped my drive belt the other day - the AC compressor pulley seized up. As a function of vehicles that’s used primarily during warmer months, the air conditioning compressor doesn’t quite face the same amount of year-round wear and tear as the brakes and clutch, but it does have its share of vulnerabilities. To check the clutch, remove the drive belt tension. But first, let’s look at that engine oil - aka liquid gold! The two basic elements of engine oil are the base oils and the additives, and the two work alongside each other to produce the final product that you put in your car’s engine. Fix the pulley (compressor in this instance), bypass it with a pulley bypass, or get a belt for your engine with no AC and route it as such. Therefore, if you can turn the drive plate by hand, at least it will prove that the compressor hasn't seized up. The compressor clutch cycles on and off, engaging the compressor. He said it was safe to drive on, but if the belt snaps it would just cost another $60 and the car would stop. Well I didnt do anything yet. The AC compressor is driven by the crankshaft via the serpentine belt. Diagnosis at a shop plus evacuation was around $100 but it confirmed the clutch bad and said I needed a who,e new compressor since they won't replace clutch only. I personally ended up only needing the bearing but used the whole new kit since I had it anyways. - 5FNRL5H48DB035881. The timing chain links the crankshaft to the camshaft. If your engine has seized up while you're driving, there's nothing you can do about it short of an intensive engine repair or replacement. If you're getting squealinf whenever the A/C turns on , then your A/C compresor may be seized (compresor isn't spinning, so every time the A/C clutch engages, you squeal the belt). After all, it’s the drive belt of the engine that sets the whole A/C process into motion. my day of labor. A bad compressor could affect the engine in your car. It doesnt spin whatsoever. Natrad are air conditioning compressor suppliers who can also fit a new A/C compressor to your car. And without AC compressor oil, the AC compressor stops working altogether. Model Number: WXCL0001: Car Model: for A6 2. If your compressor looks like the photo in the link, then you have an electrical clutch. Have you contacted your Dodge dealer to see if they offer a drive belt with out AC, if so then that would work. Manually rotate the direct-drive clutch and feel for a slight resistance or drag. I’m sure I can do the work on this but aside from changing the compressor and flushing the system I’m not completely sure what else I should look out for or change. I have checked the relay and it seems to work properly. I bought a Dorman AC bypass pulley kit (34207)but the bolt pattern and pulley doesn't line up on my HMMWV 6. Freeing a seized AC compressor involves determining what caused the seize and performing the necessary repairs. R-22 Systems 2. If it is the pulley bearing that failed, replace it, it does not cost all that much. as I recall the hybrid had a separate electric motor drive for the electric compressor. The AC unit itself might have an issue as well, or the wiring from the AC unit to the BCM, or whichever computer it communicates with. so is the clutch going bad? or a bearing? if the clutch, can I replace just the clutch or do I have to replace the entire compre. I have a 2007 PreRunner with a v6. My other one the pulley bearing was shot and it was half seized without the Ac clutch engaged. For now, I disconnected the wire on the compressor to prevent it from engaging. The belt was smoking a little, but more smoke was coming out of center of the compressor, from the small holes in the clutch. If it's this, not a big expense or that hard. This seems a little high to me. 5 turns?) R12 setting won't get you adequately chilly if you're using anything but R12. The drive belts pass through various engine components including the power steering pump, water pump, alternator, and AC compressor. The compressor can lock up for various reasons: a) excessive high side pressures which you could have checked with ac service gauges by your ac tech, b) lack of oil flow because of oil losses over the years, c) lack of refrigerant flow which relates to having not enough refrigerant in the system ( low side or binary pressure switch would help. It never has but could this happen.
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