One other dislike I had was the R4 ac compressor is/was horribly unreliable with r134a refrigerant which had been mandated by ‘95.
Cons: horribly unreliable
Reviews of GENERAL MOTORS AC compressor
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6 votes
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2 reviews
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This is what the dealership put in my 2019 that also has the newer refrigerant type. These AC compressor seem to be a common failure...too bad GM won't ever do a recall.
Cons: common failure, no recall
Vehicle:
Chevrolet Impala
Part number: 84441489
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What we know about GENERAL MOTORS AC compressor
The brand is registered in USA. Official website: https://www.gm.com/.
In March 2026, PartReview does not yet have a formed opinion of GENERAL MOTORS AC compressor. This part is not in the ranking due to insufficient reviews. You can help by adding a review for GENERAL MOTORS AC compressor.
Currently there are 2 reviews and 6 votes. Average rating — 1 out of 5. Vote balance: 0 up, 6 down.
Users also evaluated the qualities of GENERAL MOTORS AC compressor:
- Cooling performance - cabin gets cold quickly and stays stable - no rating yet
- Noise - loud clicking or whine when a/c is on signals trouble - no rating yet
- Engagement - a/c engages reliably without frequent cycling off - rated negatively. 1 point out of 5.
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