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Gmc ac issue #741760
October 19th 2018 6:59 pm
October 19th 2018 6:59 pm
Joined: Aug 2017
Posts: 5
Sewell, NJ
S
Scubasteve Offline OP
stranger
Scubasteve  Offline OP
stranger
S
Joined: Aug 2017
Posts: 5
Sewell, NJ
I have a 93 gmc shorty. Today i bought and installed new seals on the back of the compressor where the hard lines mount. When i went to charge the lines its still leaking there. I cleaned both surface areas before installing and double checked the seal part number. I am scratching my head now, any ideas on whats causing this?

Re: Gmc ac issue [Re: Scubasteve] #741761
October 19th 2018 9:13 pm
October 19th 2018 9:13 pm
Joined: Sep 2005
Posts: 8,515
Georgia, USA
CatFish Offline
carpal tunnel
CatFish  Offline
carpal tunnel
Joined: Sep 2005
Posts: 8,515
Georgia, USA
Are you sure it's the lines/connection that's leaking?
There is a plug (held by a cir-lock clip) in the rear of the compressor that has a o-ring seal. If you have a rear brace that connects the compressor to the intake manifold that plug will be hiding under it. Take out the two bolts holding the brace and you'll find it. (It will look similar to a small freeze-plug under the cir-lock.) I have had this spot leak many times before and drive an electronic leak detector nuts.

Last edited by CatFish; October 19th 2018 9:17 pm. Reason: kant spel

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There are only two real tragedies in life. One is not getting what you want and the other is getting it.
Re: Gmc ac issue [Re: CatFish] #741767
October 20th 2018 9:29 am
October 20th 2018 9:29 am
Joined: Aug 2017
Posts: 5
Sewell, NJ
S
Scubasteve Offline OP
stranger
Scubasteve  Offline OP
stranger
S
Joined: Aug 2017
Posts: 5
Sewell, NJ
It was leaking around that area. I do remember seeing what looked like a small plate bolted to a brace at the bottom rear of the compressor. Ill check it out hopefully thats it. Thanks


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