Loud AC after being charged

Asked by Kmbell09 Aug 01, 2020 at 08:56 AM about the 1990 Chevrolet C/K 1500 Scottsdale LB RWD

Question type: Maintenance & Repair

1990 Chevy scottsdale ac wasn't cold and
after it was recharged it has a vibration
and a horrible noise. Would this have
come from recharge?

1 Answer
101,635

KenF answered 3 years ago

It might if they over charged the system, that can cause the compressor to rapidly switch on/off and a loud groaning noise. If a shop did this I'd have them recheck their work for proper pressure and that oil was added for compressor as well.

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