1996 Chevy Tahoe low pressure valve

1996 CHEVROLET TAHOE
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DAREN8080
  • MEMBER
  • 1 POST
Air Conditioning problem
1996 Chevy Tahoe V8 Four Wheel Drive Automatic 200K miles
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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.
Apr 30, 2008 at 3:35 PM
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PEAR69
  • ✓Experienced Mechanic
  • 1,482 POSTS
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.
May 20, 2008 at 12:41 AM
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RHALL77
  • ✓Experienced Mechanic
  • 3,361 POSTS
ASE and GM suggest charging refrigerant on the low side.
May 20, 2008 at 1:14 AM
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