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1997 GMC Jimmy air conditioning not working

Tiny
KEITHNEUBECKER
  • MEMBER
  • 1997 GMC JIMMY
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 128,550 MILES
Hi everyone, I have a 1997 gmc jimmy with a 4.3 liter, 6 cylinder vortec engine. It has 128,500 miles on it. The problem is the air conditioning is not working. I recharged it and it worked for about 2 days then it wasent working again so im guessing there is a leak in the system somewhere. I used a black light to try to see where the leak was but I couldnt see anything. So number 1, where do these commonly leak at? And how can I tell where it is leaking from? Thanks
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Tuesday, August 26th, 2008 AT 6:56 PM

2 Replies

Tiny
TECHCHOICEPARTS
  • MEMBER
  • 2 POSTS
The number one problem with your compressor, the GM HT6, mounted right on top of the engine, is case o-ring leak. The leak is usually located under the compressor, and is often missed because it's a hard place to get a light in. Once you remove the compressor though, you'll see it. Not a plug, but the link below has our write-up on the compressor, and the benefits of replacing it with a pinned unit.

The good news is that replacing that compressor is very easy, and fairly inexpensive.
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Wednesday, August 27th, 2008 AT 9:52 AM
Tiny
KEITHNEUBECKER
  • MEMBER
  • 2 POSTS
Well the gm dealer replaced the commpresser when I bought it about a year ago so im thinking its in a different place.
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Wednesday, August 27th, 2008 AT 12:25 PM

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