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07-25-2007, 10:19 PM
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#1 |
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GM ONLY BABY!!!
Join Date: Oct 2003
Location: Fort Wayne, IN.
Posts: 1,998
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A/C compressor seal?
OK, so I got my A/C working in my 72 GMC truck, with the original A6 compressor. I converted the system over to the R 134 with a new POA valve. The guy that did the work told me it was leaking though, in the back of the compressor where the big cover plate goes on. Is Anyone aware of a gasket or seal the can be replaced there?
__________________
2 wrongs don't make a right, but 3 lefts do. 66 Chevelle Malibu 406ci, 573hp, 10.99@121mph 96 Chevy Silverado Z71 72 GMC 1500 Super Custom LS 6.0/4L65 on airride   http://www.cardomain.com/ride/707879...mc-c-k-pick-up |
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07-25-2007, 11:41 PM
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#2 |
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Senior Member
 Join Date: Mar 2003
Location: Virginia
Posts: 809
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Re: A/C compressor seal?
Under that plate in the rear of the compressor are two o-rings, but often the plate itself is warped or the tubing is cracked at the weld.
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07-26-2007, 03:08 PM
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#3 |
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GM ONLY BABY!!!
Join Date: Oct 2003
Location: Fort Wayne, IN.
Posts: 1,998
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Re: A/C compressor seal?
Are you talking about the aluminum block that the lines bolt to the compressor? Because I am talking about the big round plate that bolts to the round compressor housing. There are 4 studs that are spot welded to the round comp. housing. Should I take the back off the comp. and look for the 2 o rings?
__________________
2 wrongs don't make a right, but 3 lefts do. 66 Chevelle Malibu 406ci, 573hp, 10.99@121mph 96 Chevy Silverado Z71 72 GMC 1500 Super Custom LS 6.0/4L65 on airride http://www.cardomain.com/ride/707879...mc-c-k-pick-up |
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07-27-2007, 12:13 AM
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#4 |
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Senior Member
Join Date: Mar 2003
Location: Virginia
Posts: 809
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Re: A/C compressor seal?
I was talking about the aluminum connector block. However, there is also a large o-ring that seals the compressor rear head to the compressor shell which is the connection you are talking about.
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07-27-2007, 02:54 PM
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#5 |
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GM ONLY BABY!!!
Join Date: Oct 2003
Location: Fort Wayne, IN.
Posts: 1,998
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Re: A/C compressor seal?
Yep, that's what I'm referring to. Any ideas where to get one of those seals?
__________________
2 wrongs don't make a right, but 3 lefts do. 66 Chevelle Malibu 406ci, 573hp, 10.99@121mph 96 Chevy Silverado Z71 72 GMC 1500 Super Custom LS 6.0/4L65 on airride http://www.cardomain.com/ride/707879...mc-c-k-pick-up |
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07-27-2007, 03:03 PM
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#6 |
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Registered User
Join Date: May 2006
Location: at work
Posts: 2,552
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Re: A/C compressor seal?
have you tried lmc?
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R.I.P. Killer 71 10/26/07 |
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07-27-2007, 05:43 PM
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#7 |
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member #16
 
Join Date: Dec 1999
Location: Yuba City Ca.
Posts: 3,618
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Re: A/C compressor seal?
It has an o ring on the rear cover. I would see if NAPA has a kit, or take it apart and match it from a o ring supplier. Heres a soso diagram of the A-6 comp. this place also has some A-6 kits but it didn't specify which o rings.
http://www.ackits.com/diagrams/GM.pdf http://www.ackits.com/
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john http://67-72chevytrucks.com/vboard/showgroups.php board vendors  http://www.flickr.com/photos/1745471...7602865984234/ |
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07-27-2007, 10:42 PM
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#8 |
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Msgt USAF Ret
 
Join Date: Jan 2005
Location: Kalamazoo, Michigan
Posts: 8,717
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Re: A/C compressor seal?
here is a link for a newer application.
http://bernardembden.com/xjs/comseal/index.htm
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VetteVet metallic green 67 stepside 74 corvette convertible 1965 Harley sportster 1995 Harley wide glide Growing old is hell, but it beats the alternative. |
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07-29-2007, 11:54 AM
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#9 |
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GM ONLY BABY!!!
Join Date: Oct 2003
Location: Fort Wayne, IN.
Posts: 1,998
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Re: A/C compressor seal?
John, thats what I'm looking for. Thanks! LMC doesn't list any internal compressor seals. I checked at the local Ace Radiator and can probably get an internal seal kit from them. It would be #14 in the diagram, I think. My A/C guy had it blowing *43. That's not bad, I guess. Thanks guys!!
__________________
2 wrongs don't make a right, but 3 lefts do. 66 Chevelle Malibu 406ci, 573hp, 10.99@121mph 96 Chevy Silverado Z71 72 GMC 1500 Super Custom LS 6.0/4L65 on airride http://www.cardomain.com/ride/707879...mc-c-k-pick-up |
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07-30-2007, 09:52 PM
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#10 |
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GM ONLY BABY!!!
Join Date: Oct 2003
Location: Fort Wayne, IN.
Posts: 1,998
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Re: A/C compressor seal?
Got it!! From the local Ace Radiator. Part # MT2117. The kit came with interior compressor seals, about 5 of them. Cost was $9. Now to get it installed.
__________________
2 wrongs don't make a right, but 3 lefts do. 66 Chevelle Malibu 406ci, 573hp, 10.99@121mph 96 Chevy Silverado Z71 72 GMC 1500 Super Custom LS 6.0/4L65 on airride http://www.cardomain.com/ride/707879...mc-c-k-pick-up |
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