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Wanted: Decent air conditioning 200 1985

posted by  someone claiming to be philip bradley on  Thu Apr 18 02:14 CST 2002 [RELATED]

If you use R134a, one of the variable orifice valves will help a little. I think there is something about this in the FAQ and definitely in old threads here. You might also find it by searching for AC and VOV or something like that. I paid about $24 for mine.

An electric fan, whether a primary one that replaces the mechanical puller fan or a secondary pusher one, that is triggered by the AC compressor definitely helps the AC in city driving. You need to use a one way diode in the trigger wire so that the AC does not come on whenever the fan comes on. I use a relay to set this up on my car.

Working with R12 is expensive now. It is best to find a substitute that is safe or use R134a. A few leaks with R12 and you have spent a lot of money.

Philip Bradley






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