crazyd Posted August 3, 2009 Report Share Posted August 3, 2009 I've had this happen now with three different compressors in two different GPs. Between 2000 and 4000 rpm, I get this groaning sound from the compressor. I've done the exact same recharging sequence each time - vacuum system down, add 8oz. ester oil, add 2 1/2 cans R134A. Cooling is working fine, no other problems besides this noise. I doubt it is normal. What is the problem with these stupid compressors? Quote Link to comment Share on other sites More sharing options...
tunerlover3 Posted August 3, 2009 Report Share Posted August 3, 2009 Is the noise only there with the AC on? Quote Link to comment Share on other sites More sharing options...
crazyd Posted August 3, 2009 Author Report Share Posted August 3, 2009 Yes. Quote Link to comment Share on other sites More sharing options...
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