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Old 01-04-2023, 02:41 PM   #7
mrein3
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Join Date: Feb 2000
Location: Center City, MN, USA
Posts: 3,266
Re: 72 C20 factory air conditioning restoration

Quote:
Originally Posted by 540ChevyC20 View Post
...snip...

I don't know much about a/c but am keen to learn. If anyone is able to help me figure out how to make this work I'd really appreciate it!

Grant
I re-habbed a stock system a few years ago. I put a stock system in a truck that wasn't shipped from the general with AC. I did convert it to R134a. You can skip a lot of the stuff I did but some of the general procedures will come in handy. Like what to flush the re-used components with. How to switch from one oil to another in the compressor. How to evacuate the system. I hope it helps.

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'70 cab, '71 chassis, 383, TH350, NP205.
'71 Malibu convertible
'72 Malibu hard top
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