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Old 01-31-2002, 12:33 AM
DZLPWR DZLPWR is offline
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Join Date: May 2001
Posts: 165
For what it's worth, I converted a R12 system to R134a on an 88 Saab 900.

I had a bad compressor and no R12. So I got a new 134 compressor for +/- $325. I was told to get a new dryer & expansion valve. I removed all of the hoses and replaced every o- ring. I flused the hoses & remain reused parts. The entire project was $375. The system, in my opinion, take just a few more minutes to get just as cold as the r12.
After completion I was told new 134 sized lines would help the efficency, and there's a product that people claim to have luck with to flush the system and avoid removing and replacing every o-ring. With 134, if it leaks it's no big deal.
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