1999 Chevrolet Silverado 1500 Q&A
1999 Chevrolet Silverado 1500 Question: Is the A/C relief valve a consumer-replaceable part?
By "relief valve", I am guessing you mean the high pressure relief valve on the back of the compressor? If so, then yes you can replace it, but you will need a way to (legally) recover the refrigerant and then vacuum and recharge the system when you're done with the repair. - ChevyASE
I agree! However unless you are pretty car savvy and equiped to do this, best left to someone that is. - pushrod