A/C Compressor Replacement
The compressor is the pump that makes your air conditioning work. When one actually fails you can usually hear it. But plenty of cars come in here with a compressor that never turned on because of a five dollar switch, so we test before we condemn the expensive part.
Broken pump, or never told to run
A pump that squeals, grinds, or has locked up is a mechanical failure, and it is loud. A pump that simply never kicks on is usually being told to stay off. The system shuts the pump down on purpose when refrigerant is low, so a leak looks like a dead pump. So does a bad relay, a burned-out clutch coil, a dead radiator fan, or a computer fault. We confirm the car is asking for A/C and has enough refrigerant to allow it before quoting a pump.
When one comes apart, the metal goes everywhere
A pump that failed internally sends metal shavings through the rest of the system. Bolting a new pump onto a system full of that debris is how the second one fails in a season. Depending on what we find, the right repair also means flushing the lines and coil, replacing the small metering valve the refrigerant passes through, replacing the drier, and sometimes replacing a condenser that cannot be cleaned out. We show you what came out so you can see why.
Oil and refill amount have to be right
A compressor runs on oil that circulates with the refrigerant, and each system takes a specific type and amount. Too little starves the new pump, too much makes the air warmer. So the new pump gets the correct oil, a fresh drier, a deep vacuum to pull out moisture, a weighed refill, and a vent temperature check before it leaves the shop.
What's included
- Clutch, relay, pressure switch, and wiring tested first
- Compressor replaced with the correct oil type and amount
- System flushed and the metering valve replaced
- Drier replaced
- Deep vacuum, weighed refill, and vent temperature check
A/C Compressor Replacement: questions we get asked
How do I know if my A/C compressor is bad?
The mechanical failures are loud: a squeal or grinding when the A/C switches on, or cooling that quits after a few minutes. What you cannot tell from the driver seat is whether the pump actually failed or is being held off by low refrigerant or an electrical fault. That is what the testing sorts out, and it is the difference between a big bill and a small one.
Does anything else have to be replaced with the compressor?
The drier, yes. It is a moisture sponge and it is spent once the system is open. If the old pump came apart inside, add flushing the lines and replacing the metering valve, and occasionally the condenser. We would rather do it once.
Can I just replace the clutch instead of the whole compressor?
On some vehicles yes, the clutch and pulley come apart from the pump, and when the pump itself is fine that is the cheaper correct fix. On others it is one sealed assembly. We check what is available for your vehicle before assuming.
Why did my new compressor fail?
Three usual reasons: debris left behind from the old failure, the wrong oil or the wrong amount, or moisture left in the system because it was not vacuumed properly. All three are avoidable, which is why we do not skip those steps.
My A/C is cold when driving but warm at idle. Is that the compressor?
Usually not. Cooling that fades at a stoplight and comes back when you drive points at airflow through the condenser up front, which means the cooling fan or its wiring. That is a much cheaper fix, and it is why we check the fan on every A/C job.
Family-owned since 1981
Three ASE Master Technicians
12-month / 12,000-mile warranty on qualifying work
32125 Arbol Real, Thousand Palms, CA 92276
Monday – Friday: 8:00 AM – 5:00 PM
Saturday: Closed
Sunday: Closed
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We serve drivers across the Coachella Valley: