Quote:
Originally Posted by Tannaton
Interesting thread I’d like to add a few points:
- it was never going to be the pulley bearing on the compressor - that spins constantly whether the a/c is on or off. If you had a constant noise that followed engine speed the it may have been bearing.
- it’s been said and I’ve seen it a few times when a/c systems get low on gas they are whiny and noisey, which gets worse after it’s been running a few minutes. A good, honest a/c engineer will be able to detect this with his gauges.
- there is a known issue on some Volvo’s circa 2010-2015 where noise comes from a valve in the system, there is a technical bulletin for it.
- I would be another advocate of using second hand genuine compressors rather that new pattern parts. I’ve no experience specifically to back that up other than my general frustration with the mediocre quality of pattern parts in the trade currently (driven by consumers wanting lower price in preference of quality)
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Is this available so I can point at it when I take it to Brer AC Man?