CHEVY LOW PRESSURE VALVE

1996 Chevrolet Tahoe

Tiny

daren8080

April, 30, 2008 AT 10:35 PM

Air Conditioning problem
1996 Chevy Tahoe V8 Four Wheel Drive Automatic 200K miles

I'm trying to recharge my air conditioner, but can't remember which is the low pressure valve. How can I tell which one it is? Also, can you quickly run me through the whole procedure, it's been 2 years since I charged it last. I have the hose, pressure valve, and refrigerant.

FOUND 434 RELATED QUESTIONS

2 Answers

Tiny

pear69

May, 20, 2008 AT 7:41 AM

The hose, pressure valve will only install on the low side. Add refrigerant with the air conditioning on and set to high -- engine running. Add enough to get the pressure gauge in the green area.

Tiny

rhall77

May, 20, 2008 AT 8:14 AM

ASE and GM suggest charging refrigerant on the low side.

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