Re: AC complete rebuild strategy ? (long) (89 900S) - Saab 900 Bulletin Board - Saabnet.com
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Re: AC complete rebuild strategy ? (long) (89 900S)
Posted by leo (more from leo) on Sun, 10 Aug 2003 21:54:33
In Reply to: AC complete rebuild strategy ? (long) (89 900S), Bruce A, Sun, 10 Aug 2003 08:07:00
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I replaced all o-ring seals and main (long) hose. The compressor is a used rebuilt unit I bought for 30 dollars. Drew a vacuum on the system for 45 minutes added fresh oil and charged with R-12. Works great. I think the trick is in ensuring the pressures are correct.
I have used r-134 in the past and had mixed results. It is harder to make-work correctly because the system will need to operate at a higher pressure. Higher pressure means more heat (stress) in system. The cooled air will be cold enough if the pressures are set correctly though. Good luck.
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