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Old July 5th, 2018, 12:40
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kastein kastein is offline
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Join Date: Jul 2009
Location: Central MA - keep going till the road turns to dirt, then listen for banjos
Posts: 14,179
Re: 88 Cherokee a/c line thing

R152a is awesome. So far so good on my conversion on another vehicle.

I'm not sure what the bump is, but IIRC R134a introduction was 94 or 95.

Also, did you flush the old mineral oil out and add ester oil while doing your R152a conversion? You need to - mineral oil won't flow with R152a, gotta use ester oil, and it might be why your compressor is making noise now. If you open the system to replace the compressor and see "black death" black gunk or silvery metal debris, it's time to flush everything extremely carefully and replace anything you can't flush.
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