[s-cars] A/C compressor and charge issue

[David Giannandrea]

Mark,

My 93 S4 is R-12. 

It could be converted but R-12 is the better refrigerant (unless you have a
leak.) In my studies (am in the process right now), you should change both
the dryer  ($50-120) and the orifice ($5.00). On my car, the orifice is a
little inline restriction where the HP line enters the cabin (in plenum, in
front of passenger windshield wiper).

Good luck.

 

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