Re: Got the message!!! Grandfathers 1971 GMC
Summer will be here before you know it. Get after the ac. I did last summer. Should have started earlier. A vacuum pump and gauge will cost about the same as labor and you have the tools for future and the knowledge gained buy doing yourself. Replace all the orings, hoses and dryer. Clean remaining with flush. A a6 replacement compressor from Rock Auto. If the pully and clutch is good, swapping is simple with the correct tool to pull off shaft to save a few bucks. You tube the poa valve recalibration and compressor clutch swap.
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