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charged the ac in my dd, 96 lumina. It worked at the time and was cold. I didnt have a gauge. It no longer works, clutch doesnt engage and the pressure is a little on the high side at 55psi.
Is there a way to lower the pressure and that would make it engage again ?
1997 Camaro LS1 RS
1994 Camaro - Sold
1999 Trans am Vert - Sold
A Few Mods....
Re: A/c not working in the dd, charged but no clutch
depressed the needle, pressure is right around 35-40 now. Compressor still does not kick on. All fuses seem fine. I took the 2 wire connector off the compressor and tested it with a test light and got nothing.
Any insights ?
1997 Camaro LS1 RS
1994 Camaro - Sold
1999 Trans am Vert - Sold
A Few Mods....
Re: A/c not working in the dd, charged but no clutch
swapped the relay with a different one, nothing. I hotwired the compressor and added some r134, it got cold but the second i take the hot lead off the clutch stops spinning.
1997 Camaro LS1 RS
1994 Camaro - Sold
1999 Trans am Vert - Sold
A Few Mods....
Re: A/c not working in the dd, charged but no clutch
I would double check or replace the A/C fuse. Sometimes they look OK but are bad. I don't think your compressor is the problem (except for a potential leak) since you (a) confirmed no power at the test light and (b) jumped the compressor and it worked fine. So it's the circuit. If the fuse is OK, you'll have to start checking the wiring. If the fuse checks out, then I would (1) confirm there is power at the fuse. (2) if there is power, then confirm there is power at the contacts where the relay plugs in. If that checks out, start checking the wiring at the compressor and work back toward the fuse.
With the relay, make sure you check both the relay control circuit and the circuit that powers the compressor.
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