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compressors

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Symptoms of a Bad or Failing Air Suspension Dryer Assembly
If your car's suspension is sagging or bouncy, or the compressor is not coming on, you may need to replace your car's air suspension dryer assembly.
How to Buy a Good Quality A/C Compressor
The A/C compressor helps regulate the flow of refrigerant throughout the A/C system. High quality A/C compressors are new and easy to install.
Symptoms of a Bad or Failing Air Suspension Air Compressor
If your car is riding lower than usual, making abnormal sounds, and its compressor won't start, you may need to replace the air suspension compressor.
How Long Does an Air Suspension Air Compressor Last?
Most drivers are accustomed to gas-filled shock absorbers and struts, but as modern vehicles continue to evolve, other types of suspension are becoming prevalent. Many new vehicles are equipped with...
How Does a Car's Air Conditioning Work?
All across North America, a climate change occurs every year. The cooler spring temperatures give way to warmer weather. In some areas this lasts for two months, and in others it lasts...
How a Modern Engine Works
You turn your key in the ignition, and the engine fires up. You press the gas and the car moves forward. You take the key out and the engine turns off. That’s how your...
Symptoms of a Bad or Failing AC Compressor
Common signs include higher than normal cabin temperatures, loud noises when the compressor is running, and the compressor clutch not moving.
Symptoms of a Bad or Failing AC Compressor Belt
If the belt has cracking on the ribs, chunks missing, or abrasions on the back or sides, your AC compressor belt may need replacing.
Signs of a Bad or Failing AC Compressor Relay
Common signs include inconsistent cooling, not hearing a click from the compressor turning on, and no cold air.
How to Do a Compression Test
A compression test diagnoses many engine problems. If a compression test is below the manufacturer's specifications, there's an internal engine issue.
How to Replace an Air Suspension Air Compressor
Signs of a bad air suspension air compressor include a car that rides low or when a car's ride height doesn't change when its load changes.
How to Replace a Car Air Conditioning (AC) Compressor
If the AC compressor fails, it can cause the air conditioning system not to work. This article covers how to locate, remove, and install a compressor.

Related questions

Question
Knocking noise turning left 2009 Saturn Vue
Hello - the "knocking sound when turning left" is most likely a failing outer CV joint on the left, or driver side, of the vehicle. Turning, while accelerating, is hard on these joints. The CV joint/axle assembly will need to...
Question
Engine seizes - 2008 Chevrolet Suburban 2500
Hi and thanks for contacting YourMechanic. If the mechanic said that there is no compression in the engine, then there could be 2 things wrong. Either the engine has all of the valves or rings burned or broken, or the...
Question
Looking to install an A/C system in a 2007 GMC Sierra work truck. Any idea where I can find a shop manual or video tutorials?
Hi there. The best thing to do is locate a 2007 GMC 1500 Sierra that has a complete A/C system and take pictures of the entire system. Then you can go and buy all of the parts needed to install...
Question
Air conditioning not working - 2010 Chevrolet Tahoe
Hi there. I've run into this similar concern on several Chevrolet products. The freezing over that you were experiencing is usually cause by a low system charge, then followed by no cold air as the system charge continues to lower....
Question
a/c problem
It is obvious the Mechanic does not understand what is wrong with your air conditioning system. It is obvious because if the malfunction causing your no-cooling problem was correctly diagnosed, once the work that HE proposed was complete, the system...
Question
My Mini Pajero AC compressor is not working
Hey there. If the motor appears to be running, but is not providing compressed air, then this is a sign that the reed valves or the piston rings are worn out. If the motor is not running, there may be...
Question
Should I replace the AC pressure switch?
Hi there. Has the system been charged recently? If so, there could be too much refrigerant in the system causing the pressure valve to vent the excess pressure; the high pressure sensor is there to prevent catastrophic system failure and...
Question
Car loses some engine power when the blower is turned on.
A minor loss of power when the fan is engaged is probably due to the air conditioning compressor. When the air conditioning, or the heater, is switched on, it activates the compressor. The light squeal is most likely coming from...
Question
Serpentine belt, froze ac compressor
It is possible to bypass the compressor by removing the old compressor and installing a compressor bypass pulley. The pulley will bolt in the same location as the compressor. You may want to have the compressor pulley checked to see...
Question
Compressor shaft seal leak
Hi and thanks for contacting YourMechanic. Put a manifold set (A/C gauge set) on the A/C ports and check the system when it is running on high A/C. Look to see what the pressures are on the high side and...
Question
High pressure side of A/C is low (30 psi)
Hi there. It sounds like the AC compressor internal valve or the compressor itself has failed and is allowing refrigerant to sit freely and preventing pressure from accumulating; no suction and no discharge equals same pressure on both sides. You...
Question
How long should it take a mechanic to replace the a/c compressor on my 06 E 150 4.6
The a/c compressor replacement will not be the only component that will need to be replaced at the same time. The replacement of the compressor is about 1.5 hours and does not include the recover or evacuate and recharge of...
Question
Noisy aircon
Hi there. Yes, a low refrigerant charge in the a/c system can cause the a/c compressor to make noise. The R-134a refrigerant is what carries the PAG oil throughout the a/c system. A low system charge, results in a lack...
Question
How long for an AC compressor repair?
Hey there. The replacement would take the average technician about 2 hours of labor to perform this task after evacuating the system of refrigerant to make sure it is not released into the atmosphere. If you do not have the...
Question
If I turn the air ride off while it is inflated, will it stay inflated?
Hello. For most vehicles, the air suspension should stay inflated once the compressor is powered off or deactivated. In some cases, the release valve is also powered off when the compressor is powered off, allowing the system to stay inflated...
Question
Noises from the ac 2004 Saturn Vue
Hi there - if the compressor is making rattling or clanking noises this indicates an upcoming failure of the compressor. Yes, it will eventually seize or otherwise fail, possibly breaking the belt when it does. When the compressor fails, bits...
Question
I replaced the compressor in my Kia - now what?
An A/C system needs to be put into a vacuum to boil off any moisture in the system. As pressure drops, the boiling point of water decreases. Water boils at a lower temperature in Denver as opposed to Los Angeles....
Question
Will not start - 1994 Nissan D21
Hello. Considering the circumstances, it may be wise to take a few steps back to the very basics and do a few tests that may seem redundant. Starting issues are typically simple in nature or an electrical issue. Spray some...
Question
Faulty air compressor - 2011 QX56 Infiniti
Hi there. If the air compressor has destroyed itself, then this will effect the ride quality and the load bearing on the vehicle. This can damage the air suspension to the vehicle and make the level of the vehicle off....
Question
Loud clicking behind the AC controls
Hi there: If you unplug the system and the noise goes away, it's possibly the actuator, but I wouldn't count out other AC systems including the blower motor or compressor that are causing the ticking sound. To avoid any unnecessary...

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