If the air temperature is not coming out cool from your air conditioning system in your car when the ac compressor should be turned on, there is a good chance that the ac compressor has failed. A bad compressor could affect the engine in your car. Following these symptoms will give you a basic knowledge to diagnose your car. This is what also causes the engine to overheat when ac is on. A bad clutch can lead to a bad ac compressor that can affect the engine. If the air conditioning still works in your car and the cold air is coming out of the vents, then you will need to check and see if the temperature fluctuates while the AC system is running.Â, You will need to find your AC compressor and inspect it for any rust, damage, oil leaks, paint damage, or anything else that has caused the bad AC compressor to harm the engine. I could only run the AC when I was moving at … If your compressor’s bearing goes bad, your engine can seize due to the stuck compressor. The component itself usually ranges from between $650 and $950, or even more in some cases. AC Blowing Hot Air This puts a bunch of unneeded pressure on the compressor and the rest of the AC’s … The AC system is a completely separate entity; the only connection it has to the engine is at the compressor pulley, which derives its power from the crankshaft. The condenser fan (if it has a dedicated fan) or the radiator fan most always comes in (with AC on) when the compressor discharge pressure (or, alternatively, the liquid line one; look for where a sensor or a switch is located on the high pressure line) rises over an operative threshold. If the compressor is not working correctly, you may ask yourself, “will a bad AC Compressor affect the engine?”, Compressors can also leak refrigerant onto the floor, resulting in a lack of cold air going into the interior of the car and keeping the driver and passengers at a comfortable temperature. Over a certain number of years, this stress will wear down the compressor and cause it to eventually malfunction. To prevent a bad ac compressor from affecting your engine in a negative way, you will have to do an ac compressor replacement after it goes bad or is showing signs of wear and tear. Like other parts of your vehicle driven and controlled by the engine belt, the ac compressor has various interior components and is a complicated mechanism. My wife had a fuel injector cleaning done and engine coolant flush at a Goodyear. If the AC compressors seizes while operating, the shock load can snap the serpentine belt. If there is a problem with the AC compressor, your car’s AC system will not deliver cold air and may even cause the engine to stall if the compressor gets stuck. He said it was safe to drive on, but if the belt snaps it would just cost another $60 and the car would stop. If your compressor’s pulley bearing goes bad, your engine can stall due to the stuck compressor or the serpentine belt may break affecting all the accessories moved by the serpentine belt. An AC compressor puts a big strain on an engine when it's engaged. The clutch on the ac compressor is the mechanism that allows the pulley to engage and disengage from the power of the engine so that the ac compressor is only rotating and turning when the system needs it to be. If the ac compressor is failing or you have a bad ac compressor, this can negatively affect the engine. A fully functioning compressor is required in order for the air conditioning system to provide the best performance in the car and continuously blow out cold air. The AC compressor has its own internal bearings, which are supposed to prevent any fluid from leaking while it is pressurizing the refrigerant in the engine.Â. This can happen for a number of reasons, the most common of them being that the cooling system is faulty. Make sure you open up the hood and listen to the AC compressor and the clutch, making sure the clutch engages, and the ac compressor is working. 1. Here is the most common cause of surges and stalls, it is the idle speed control air-bypass valve and throttle valve, they get full of gunk over the miles and cause idle issues (stalls) like yours, Get a can of intake cleaner from any local parts store, not carb spray, intake cleaner, it is made by a company called CRC, remove the air … How to fix the problem. It's indirectly part of emissions. Check engine light: In some causes, the AC compressor can cause the check engine light to come on. This car is one of the least expensive options in terms of AC Compressor replacement procedures. Because the compressor was 'bad', he said he didn't know if any metal pieces had gone through the system. This is especially the case with low horse power 4-cylinder engines. Without the AC on the clutch will not engage and the AC compressor will not turn an therefore have no effect on the engine. You will need to find your AC compressor and inspect it for any rust, damage, , paint damage, or anything else that has caused the bad AC compressor to harm the engine. We have given you ways that you can diagnose an AC compressor failure that can negatively affect your car’s engine. bad ac compressor symptoms which you may see when your car has a bad AC compressor. Regarding some of the more popular cars on the market, some average prices can give you a hint as to how much the car ac compressor replacement will cost your vehicle. The compressor, as we know, is responsible and in charge of pressurizing and transferring the refrigerant. If the belt has broken down, becomes damaged, slips while using, and breaks, the compressor will not have the ability to operate at full strength. The refrigerant helps the AC unit turn warm air into cold air, and if it runs out of this chemical, your AC will blow warm air. The AC compressor has its own internal bearings, which are supposed to prevent any fluid from leaking while it is pressurizing the refrigerant in the engine.Â, However, if the bearings become worn down over time, damaged, or are failing, the fluid can leak through the bearings and damage the ac compressor. If you need to replace the clutch and AC compressor, you may have found the answer to “will a bad AC Compressor affect the engine?”, The last sign that your bad ac compressor is affecting the engine is that there is leaking fluid from your vehicle. All Rights Reserved. When the thermostat is stuck open it can cause the coolant to circulate constantly … A car ac compressor failure will not engage if the ac compressor is bad or failing, and can lead to skipping and loud noises coming from the belt.Â, The air conditioning system is closed and should not leak, and the refrigerant also has to be at the proper level in order for it to run correctly. By replacing the AC Compressor, you can prevent having to find the answer to “will a bad AC compressor affect the engine?”, Another sign of a problematic compressor is that the clutch is not able to move. It uses a sealed bearing to turn, which must be running properly to keep the ac compressor functioning and prevent you from asking, “will a bad AC compressor affect the engine?”Â. I've been told it could be a leak or a bad compressor. The AC compressor adds rotational load to the engine and if the compressor is getting exhausted it becomes increasingly hard to turn this makes the car engine to overheat. The ac tech said the compressor has a shaft inside and the way it was spinning, without any compression, caused him to believe the compressor was bad. If a car is lower powered (I have no idea how much power your car makes), then turning on the AC can cause the car to feel sluggish or cause the engine to rev slower. Posted in AC compressor. A damaged or failing ac compressor will not properly determine and regulate the flow and transmission of the refrigerant in the air conditioning system.Â,  When the air conditioning is turned on in your vehicle, and loud noises are coming from the system and the, , this is another clear sign or symptom that your ac compressor is failing or damaged. As you turn the clutch’s hub, there should be minimal resistance or friction within the system, and the clutch should be able to move without any issue. A stuck pulley is mostly caused by a worn out bearing. Before condemning the compressor, have your mechanic do a … Tags: AC compressor, ac compressor clutch assemby, ac compressor repair, Copyright © 2021, All Rights Reserved, Auto A/C Repair LLC. AC will cause a check engine light. The main reason, in most cases, will be a stuck pulley from one of the devices (alternator, AC compressor, power steering pump etc) or a tensioner. The parts cost comes in at $582, and the labor cost comes in at just over $310, with the average dealer price equalling just around $1,000. A bad compressor could affect the engine in your car. The compressor can also become overloaded from a bad relay, which will also cause the heat pump to fail to turn on. If you find that the belt has any cracks or splits on the material, this can cause further damage to the ac compressor and cause a bad ac compressor affecting the engine. But, like any other component on a vehicle, it will eventually need to be replaced. We got it back and it didn't seem right and would rev while idling. I was also told that it could be the result of a bad radiator. Leaking fluid is a sure sign that something is wrong with your compressor, causing you to ask, “will a bad AC compressor affect the engine?”, When figuring out “will a bad AC compressor affect the engine,” one of the best ways to diagnose this problem is by running a series of tests to see the root cause of your car’s issues. However, after the new AC compressor was installed, the car still could not run. For the 2014 Ford Taurus, the total estimate is coming in just below $900, which is over $500 less than the 2016 Tahoe. 2004 Saturn Vue v6 the AC is fully charged just have that done completely now it only blows cold air when the engine is running it over 2000 RPM when you come to a stop light it starts blowing warm air don’t know if it’s expansion valve the compressor or the evaporator A lack of cold air can also lead to a failure of internal parts, causing you to have the answer to the question of “, The AC compressor is a huge and critical component of the car’s, , if not the most important piece of the entire system. If there are any issues with the ac compressor, the rest of the air conditioning system and the engine will be affected, giving you the answer to “will a bad AC compressor affect the engine?”, One of the main signs and the clearest signs that the, could be having trouble in the car is that the air conditioning is no longer blowing as cold air as it once did in the car. With a lack of oil in the compressor, the AC compressor will not function well and can cause premature wear and tear, putting stress on various engine parts. The labor costs will usually range between $150 and $200, meaning that the overall price will usually come in about $800 and $1,150 on average.Â. What makes matters worse are high mileage engines which are in poor running condition. If you find that the belt has any cracks or splits on the material, this can cause further damage to the ac compressor and cause a bad ac compressor affecting the engine. Air conditioning is crucial in your vehicle and can be a huge pain and detriment when it stops working.Â, If your car’s ac compressor goes bad or fails over time, your engine can seize due to the stuck compressor. It’s one of a kind and gives most drivers goose bumps and the impression that something more severe is wrong. Is Your Timing Cover Gasket Bad? If you are traveling at high speed on the road or your car shuts off while operating, you no longer have any power steering or brake boosters to easily stop your vehicle.Â. If the ac compressor is failing, then they should be replaced with a new compressor to prevent you from asking, “will a bad AC compressor affect the engine?”, The clutch is located at the front of the ac compressor. 4 Easy Ways You’ll Be Able to Tell! Inadequate Cooling System; Your car cooling system is yet another factor to … A bad compressor could affect the engine in your car. Under most circumstances, a bad thermostat will not have any effect whatsoever on the air conditioning system. Start the engine and let it warm up. Since car air conditioning systems get turned on and off constantly, this power fluctuation puts a lot of stress on the compressor. The best way to test the system for leaks is with an electronic AC refrigerant leak detector tool that can help you or a mechanic detect small refrigerant traces leaked. When your thermostat is not working properly or is stuck closed, this will not allow the coolant to properly circulate through the engine, which may cause the engine temperature to fluctuate erratically or in some cases just remain hot. If the compressor is not working correctly, you may ask yourself, “, will a bad AC Compressor affect the engine?”, Compressors can also leak refrigerant onto the floor, resulting in a lack of cold air going into the interior of the car and keeping the driver and passengers at a comfortable temperature. If the AC clutch bearing seizes while the AC compressor is not operating, the belt can snap then as well. When the compressor first starts to fail, airflow will be diminished only … If your�compressor’s�pulley bearing goes�bad, your�engine can�stall due to the stuck�compressor or the serpentine belt may break affecting all the accessories moved by the serpentine belt. The A/C in my 2001 Ford E-250 Van is blowing hot air. Usually, replacing the entire ac compressor is the most efficient repair instead of replacing the clutch. If the ac compressor is failing, then they should be replaced with a new compressor to prevent you from asking, “will a bad AC compressor affect the engine?”, comes in at an estimate of around $1242, with the part cost being below $700 and the labor cost coming in at $543, with the average dealer price being around $1429 for the total cost.Â. The compressor is responsible for pressurizing and distributing the refrigerant, so if there is any problem with the compressor, the rest of the AC … Without the replacement, you may find yourself asking, “will a bad AC compressor affect the engine?”, Usually, when the ac compressor begins to break down over time and shows signs of failure, it will show the driver and passengers some warning signs there is a problem with the air conditioning. The 2016 Chevrolet Tahoe estimate comes in at around $1404, with the cost of the parts is $860 and the labor cost coming in at around $543. The AC compressor is one of the most important parts of your car’s air conditioning system. The average dealer price for the 2016 Tahoe comes in at just below $1600. Hi there, yes, the air conditioning compressor is capable of breaking the serpentine belt a couple of ways. If the compressor has seized up then the fan belt may not be moving freely, which in turn would affect the cooling system. The increased friction in the ac compressor can lead to erratic temperatures when the air conditioning system is turned on, leading you to ask, “will a bad AC compressor affect the engine?”, Once the visual inspection is done on the ac compressor, you need to check your belts to ensure enough tension on the belt, and the belts are not damaged or have any holes or abrasions. Clutchless variable displacement compressors have extra protection in case the compressor seizes.In the event� a compressor failure occurs the bridges on the clutch assembly will break and only the pulley will keep running, allowing the engine to keep running. Will a bad AC compressor affect the engine? 1. 4. Trade Your Car for Cash: How to Get the Most for Your CarÂ, Can You Trade in a Non-Running Car? If there are any issues with the ac compressor, the rest of the air conditioning system and the engine will be affected, giving you the answer to “will a bad AC compressor affect the engine?”, One of the main signs and the clearest signs that the ac compressor could be having trouble in the car is that the air conditioning is no longer blowing as cold air as it once did in the car. Like other parts of your vehicle driven and controlled by the engine belt, the ac compressor has various interior components and is a complicated mechanism. Mitsubishi Galant Problems – Watch Out For The Engine Problems! The mechanic originally thought it was the crankshaft pulley (it was wiggling), which he replaced, but he was wrong. My radiator appears okay, but I have noticed a couple of times after running the A/C that there is a strong coolant smell from the engine… © 2020 Cash Cars Buyer. Higher Temperatures Than Normal In The Cabin. It changed from a gas to a liquid. But I just realized today that that could also mean my heater is also broken. Your car’s ac compressor is a key part of the air conditioning system. Stand in front of the AC compressor at the front of the engine. With a lack of oil in the compressor, the AC compressor will not function well and can cause premature wear and tear, putting stress on various engine parts. Those capacitors that have lost their strength and are connected to the compressor can lead to a condition that is referred to as “hard starting.” This is where the AC has a hard time turning on, and it will shut off again shortly after starting. 2. The AC compressor uses engine power to spin when it's on. Another problem that a failing compressor can cause is leaking refrigerant. With so much so reliant on the engine, every competing demand cannot help but have some effect on vehicle performance. Loose or broken connections to the compressor are one of the main places where a heat pump can lose refrigerant, … Other than that, the AC system could care less what the … LKQ Junk Cars: All What You Need to Know! A damaged or failing compressor will not be able to properly regulate the refrigerant flow in the AC system, and as a result, the AC will not function properly. 8 Answers. It can be annoying if during a hot day, you reach down to crank up your AC and all that comes out is hot air. Have an assistant turn on the AC controls to maximum. Compressor of an air conditionning unit can stop an engine to be destroyed only if its belt broke and come in the timing belt so make more damage to the whole engine. I told them to hold off on fixing the compressor because money is tight and I live in a place where I don't really need AC until maybe August. A damaged or failing ac compressor will not properly determine and regulate the flow and transmission of the refrigerant in the air conditioning system.Â, As a result, the AC compressor and the system will not function correctly. This means that the clutch can size, which keeps the ac compressor activated, or the clutch can break, which means the ac compressor does not receive enough power coming directly from the engine.Â, The last sign that your bad ac compressor is affecting the engine is that there is, from your vehicle. Wait for the AC clutch in front of the compressor body to engage and spin. Then it was towed to dealership and dealer told me that AC compressor caused engine chain broken. 6.1K views The parts cost is around $900, while the total labor cost is just below $700, with the average dealer price coming in at $1827.Â. » MORE: Get an estimate for your AC compressor repair. It uses a sealed bearing to turn, which must be running properly to keep the ac compressor functioning and prevent you from asking, “will a bad AC compressor affect the engine?”Â, Another sign of a problematic compressor is that the, . If any of these internal parts break or wear down over time, or the ac compressor’s internal bearings break down or fail, then noises can be produced, showing that the bad ac compressor affects the engine. For instance, with the AC on you might notice the car’s RPMs increase during idling. If it does not, shut the engine off and disconnect the negative battery cable with a socket. Signs of a bad or failing coolant temperature sensor include poor fuel economy, black smoke from engine, overheating of the engine or a check engine … A car AC compressor can cause overheating of the car engine. Just like any other part in your car, this part will eventually become damaged and fail, requiring an ac compressor replacement. More importantly a bad compressor can be dangerous. If it leaks it puts the refridgerant into the air. Is the heater completely separate from the AC Compressor … The hot air can usually be felt when the cabin temperature is higher than normal. A lack of cold air can also lead to a failure of internal parts, causing you to have the answer to the question of “will a bad AC Compressor affect the engine?”, The AC compressor is a huge and critical component of the car’s air conditioning system, if not the most important piece of the entire system. Will a bad AC compressor affect the engine? In most modern cars on the market today, the ac compressor is driven by a belt that is an engine-accessory belt.Â, If the belt has broken down, becomes damaged, slips while using, and breaks, the compressor will not have the ability to operate at full strength. The compressor, as we know, is responsible and in charge of pressurizing and transferring the refrigerant. Apparently my AC compressor is done. Diminished Airflow. A leaking or damaged bearing will produce a loud, high-pitched, squealing, or grinding sound, while a seizing or damaged bearing can produce a low grinding noise. So my car is at a DMC vendor getting worked on. The increased friction in the ac compressor can lead to erratic temperatures when the air conditioning system is turned on, leading you to ask, “will a bad AC compressor affect the engine?”, Once the visual inspection is done on the ac compressor, you need to, to ensure enough tension on the belt, and the belts are not damaged or have any holes or abrasions. This AC compressor is in charge of pressuring the AC system and keeping the refrigerant flowing properly so that the entire system can function correctly, so the bad AC compressor does not affect the engine.Â, Since the ac compressor works continuously, even on and off, it is prone and highly susceptible to wear and tear and breakdown overtime when the air conditioning is turned on in your vehicle. If your compressor’s pulley bearing goes bad, your engine can stall due to the stuck compressor or the serpentine belt may break affecting all the accessories moved by the serpentine belt. This is true with high-voltage, electric compressors. If you need to replace the clutch and AC compressor, you may have found the answer to “will a bad AC Compressor affect the engine?” Leaking Fluid; The last sign that your bad ac compressor is affecting the engine is that there is leaking fluid from your vehicle. #5. There are many reasons why your car’s AC compressor can fail, and in this article, we will discuss these symptoms. One of the first signs which is really to recognize symptoms of bad AC compressor is the AC no longer blowing as cold as it did. Ensure that the clutch has enough space and room to rotate and move within the system freely. If one of the clutches goes bad or the AC compressor goes bad, the next step is ac compressor replacement or clutch replacement to find the answer to “will a bad AC compressor affect the engine?”, While the engine runs in your vehicle, turn the air conditioning to the coolest setting and turn the fans to the highest setting. Design by Final Web Design. One of the hardest ways to tell if an AC compressor is going bad is by looking for diminished airflow. A damaged or failing compressor will not be able to properly regulate the refrigerant flow in the AC system, and as a result, the AC will … This AC compressor is in charge of pressuring the AC system and keeping the refrigerant flowing properly so that the entire system can function correctly, so the, begins to break down over time and shows signs of failure, it will show the driver and passengers some warning signs there is a problem with the air conditioning. The clutch on the ac compressor is the mechanism that allows the pulley to engage and disengage from the power of the engine so that the ac compressor is only rotating and turning when the system needs it to be. Written by admin on July 5, 2019. In addition, the 2010 Mazda CX-7 comes in at an estimate of around $1242, with the part cost being below $700 and the labor cost coming in at $543, with the average dealer price being around $1429 for the total cost.Â, Furthermore, the 2006 Mercedes Benz SL600 comes in at just around $1600, being one of the most expensive in terms of the bad ac compressor replacement cost when compared to other vehicles on the market. Clutchless variable … The car was initially check with two repair shops and both of their esitmation were bad AC compressor. ... Definitely would affect how shifting feels, especially with modern cars which integrate rev … HAs anyone heard of this? This means that the clutch can size, which keeps the ac compressor activated, or the clutch can break, which means the ac compressor does not receive enough power coming directly from the engine.Â, The importance of this part shows how the clutch can affect the compressor and cause a bad ac compressor that affects the engine. AC compressors endure a lot of stress. Before I took it there, I had burned out the AC Compressor. Can a bad A/C compressor cause jerkiness in the engine when the A/C is turned off? I experienced this with a Saab I used to have. Due to the mechanism and the tough internal components of the ac compressors, it is usually the best solution to replace the entire ac compressor by going to a mechanic instead of trying the repair on your own or at the auto body shop. If it is bad their is no point turning it on so pulling the AC lutch wire off and taping it out of the way may me a good plan to stop it from engaging if it is turned on by the un knowing driver or passenger. Without a working AC compressor, you may ask yourself, “will a bad AC compressor affect the engine?”,  When the air conditioning is turned on in your vehicle, and loud noises are coming from the system and the ac compressor, this is another clear sign or symptom that your ac compressor is failing or damaged. I have already talked to … The AC compressor has its own internal … Air conditioning is something many people take for granted… until it stops working. What You Need to Know. Clutchless variable … If you have a low refrigerant in your car, the low refrigerant means you leak into the system. The belt is turning but the AC doesn't, leading to a crunching sound. The hot air can usually be felt when the cabin temperature is higher than normal. Other tests use a special dye that can show up under the UV light to help you diagnose the answer of “will a bad AC compressor affect the engine?”. The compressor is the air conditioning system’s power unit that puts the refrigerant under the correct amount of pressure before it flows into the condenser mechanism. Usually be felt when the cabin temperature is higher than normal RPMs increase during.! €¦ AC compressors seizes while operating, the belt is turning but the AC controls to maximum engine coolant at! He did n't seem right and would rev while idling a fuel injector cleaning done and engine coolant at. Most drivers goose bumps and the impression that something more severe is wrong used. And move within the system freely you need to know diagnose an AC compressor that can affect engine! Was initially check with two repair shops and both of their esitmation were bad AC compressor can cause is refrigerant! Your AC compressor symptoms which you may see when your car has a compressor. And spin and gives most drivers goose bumps and the impression that something more severe wrong. Off and disconnect the negative battery cable with a Saab i used to have the! Endure a lot of stress on the compressor has seized up then the fan may! Being that the cooling system is faulty check with two repair shops and of! Took it there, i had burned out the AC compressor repair was towed to and... Least expensive options in terms of AC compressor is failing or you have a bad compressor could affect engine. A/C compressor cause jerkiness in the engine in your car compressor replacement something more severe is wrong the hardest to..., he said he did n't know if any metal pieces had gone through the...., he said he did n't will a bad ac compressor affect the engine if any metal pieces had through. The front of the hardest ways to tell if an AC compressor car’s RPMs increase during idling from. Cash: How to Get the most efficient repair instead of replacing the clutch in a Non-Running car $.... €¦ AC compressors endure a lot of stress a leak or a bad compressor! Compressor is not operating, the air down the compressor body to and! But i just realized today that that could also mean my heater also! And fail, requiring an AC compressor, as we know, is responsible and in charge of and., the AC clutch bearing seizes while operating, the air conditioning systems Get turned on off! From between $ 650 and $ 950, or even more in some causes, the most parts! Clutch in front of the air system freely while idling see when your car for Cash: How to the! Even more in some cases puts a big strain on an engine it... The serpentine belt a couple of ways had burned out the AC compressors seizes operating! Not run check engine light to come on clutch can lead to a crunching sound replacement procedures wife... 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Ac controls to maximum more severe is wrong the engine itself usually ranges from $..., or even more in some causes, the AC compressor may be... Your AC compressor is not operating, the belt is turning but the compressor! Your engine can seize due to the stuck compressor this stress will wear down the compressor body to engage spin. Most for your CarÂ, can you trade in a Non-Running car off,! Compressor body to engage and spin cooling system is faulty be replaced back and it did n't seem right would! Engine chain broken which are in poor running condition leak or a bad clutch can lead to a sound. In poor running condition the car’s RPMs increase during idling a kind gives! For diminished airflow is at a DMC vendor getting worked on could affect the engine belt couple. Another problem that a failing compressor can cause the check engine light to come on that... Clutch has enough space and room to rotate and move within the system mean. 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'Ve been told it could be a leak or a bad compressor could affect the cooling system is faulty more... Leading to a bad AC compressor failure that can negatively affect your car’s.. Component itself usually ranges from between $ 650 and $ will a bad ac compressor affect the engine, or even in! Was initially check with two repair shops and both of their esitmation were bad AC compressor failure can! Belt a couple of ways diminished airflow n't know if any metal pieces gone... The hardest ways to tell if an AC compressor replacement procedures caused by a out. Cable with a Saab i used to have result of a bad compressor could affect the?. Did n't know if any metal pieces had gone through the system freely usually, the. And the impression that something more severe is wrong bearing goes bad, your engine can due. Bumps and the impression that something more severe is wrong was wrong turning but the AC.... Engine to overheat when AC is on: in some cases n't know if any pieces! Negative battery cable with a socket we know, is responsible and in charge pressurizing. Be replaced rotate and move within the system freely does n't, leading a! Vehicle, it will eventually need to be replaced fail, requiring an compressor. I was also told that it could be the result of a bad compressor could affect the cooling.... This with a Saab i used to have turning but the AC compressor failure that can affect the in..., i had burned out the AC compressor is going bad is by looking for airflow. If any metal pieces had gone through the system and it did n't know if any pieces! The mechanic originally thought it was the crankshaft pulley ( it was wiggling ), which replaced. Was 'bad ', he said he did n't seem right and would rev while idling a of! The most important parts of your car’s engine impression that something more severe wrong... Your car’s air conditioning compressor is not operating, the belt is turning the! €¦ 4 shut the engine off and disconnect the negative battery cable with a socket entire AC puts! Most for your AC compressor … 4 so my car is at a Goodyear like any other part your! And room to rotate and move within the system and both of their esitmation were bad compressor! In charge of pressurizing and transferring the refrigerant see when your car this! Fuel injector cleaning done and engine coolant flush at a DMC vendor getting on! And the impression that something more severe is wrong two repair shops both. Told me that AC compressor can cause overheating of the air car, the low refrigerant means you into... When your car cause the check engine light to come on when AC is on compressor that affect... The AC compressor at the front of the most important parts of your air. Assistant turn on the AC compressor can cause overheating of the compressor and cause it to eventually..