Date: Mon, 10 Mar 2003 15:44:03 GMT From: John Davies <johndaviesNOSPAMnopsam.net> Subject: Re: R-134a in 86 SAAB 900 T?
If the compressor is toast, then there is no point whatsoever in sticking with R-12. Go ahead and invest in a complete R-134a compressor and conversion kit. Or roll down the windows .... If you just have a leak, get that fixed, replace the receiver-dryer, and have the shop add the R-12. I don't know the exact capacity of your system, but it will be around 2 pounds. Last summer my local shop was charging almost US$50 per pound for R-12 - be thankful you don't have a Suburban with front and rear evaporators and 6 pounds of refrigerant. Remember that when you convert, the hoses _should_ be replaced. The o-rings and fittings MUST be replaced, and the system must be thoroughly flushed to remove all traces of the old oil. The molecules of R-134a are smaller and the leakage rate through the rubber walls of the hoses will increase if the hoses are not replaced. Have an a/c shop check out your system, then you can make a rational decision. Good luck. It's most likely just a little leak, and a recharge will do the trick. John Davies Monroe WA USA 2001 Saab 9-5 Aero Wagon 2000 Audi A4 quattro 1.8T 1991 Jeep Cherokee Laredo 4x4
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