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Replacing O rings

70rustrunner on Thu May 21, 2009 9:51 PM User is offline

Year: 1995
Make: Pontiac
Model: Firebird
Engine Size: 5.7
Refrigerant Type: R134A
Ambient Temp: 85
Country of Origin: United States

Recently replaced the compressor, expansion valve and receiver dryer. Worked good for a couple of weeks. Acts now like freon leaked out. When I put in the expansion valve and receiver dryer I noticed the diameter of the supplied o rings was smaller than the originals. I used them thinking ones supplied with the parts would be correct. Now I wonder of they are correct. Could the smaller diameter of the o ring cause leakage problems? I am thinking maybe I should find ones the same as the old ones.

Chick on Thu May 21, 2009 10:02 PM User is offlineView users profile

You do need the right size O rings but if they came with the parts, they should be the right ones.. Or did you just size them from a stock you had??

Email: Chick


Freedoms just another word for nothing left to lose

azadam on Fri May 22, 2009 4:11 AM User is offlineView users profile

I was about to start a thread about this myself but since this is already here......I am also in the process of replacing the compressor, receiver/drier, and expansion valve in my 95 Saturn SC2. I'm using the GM o-ring kit purchased at AZ Mobile Air, but have no clue which of the new rings I should use to replace each of the old ones. Can anyone tell me which rings go in which connection, or at least a good rule of thumb to follow to make sure I get the correct ring in place? Thanks!

Phoenix, HellOnEarthAZ
1995 Saturn SC2

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