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AC repair 200 1980

posted by  B.C. on  Tue Feb 4 09:11 CST 2003
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last visit: Wed Mar 28 22:28 CST 2012
[RELATED]

Hook up the a/c lead from the blower switch. Hood up, engine stopped, engage a/c. You should hear a CLACK when the compressor clutch engages.

If your car has a a/c pressure switch, you'll have to jump it. It is a 2-wire connection to the top of the receiver/dryer. With the car set up so the compressor should engage, short between the two wires. Lift the connector off the receiver/dryer a little and put a paper clip or something in there to touch both terminals.

If the clutch does not engage, there's problems in the switching system. If it does, the system may just have low or no Freon charge. It may have leaks. Given the cost of a can of R12 Freon now (!@$@*% EPA), get an a/c shop to run a leak test using nitrogen.

Repairing an a/c system isn't hard. Just greasy and needs some special tools, like a gauge set and a vacuum pump. Got tools?

Good Luck,

Bob

:>)





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