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a/c 700 1991

posted by  benton33 on  Thu Jul 19 15:36 CST 2012
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last visit: Thu Jun 27 20:53 CST 2013
[RELATED]

I would start by checking the refrigerant levels (while the a/c is blowing cold). If that looks good I would guess the compressor or related relay (pretty sure there is a relay). You can look at the compressor, while the car is running and a/c on, and see when or if it starts run, then go from there.

I had a similar problem (resolved by adding freon) with my 1988 740 and a/c is frosty now after a vaccum for about an hour, replacement of a leakey shrader, and a refill of freon.

Others will certainly have advice too.

Hope this helps in any way,

Benton






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