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Old 07-14-2008, 12:05 PM
tripletdaddy tripletdaddy is offline
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Re: 2000 SEL: AC clutch not engaging when hot

If in fact the fan came on, with you right over the engine, you should have heard a moderately high pitch humm, whir and feel and hear air moving as the fan pulled air into the engine compartment. Was the engine running when you tried this? It needs to be. The clutch makes kind of a metal to metal slapping sound. If all you heard was clicking, then you were simply energizing a relay(s). It would be a very good idea to locate the ac clutch relay and the two fan relays and verify they are good. It could be as simple as that. ie, the ac relay being heat sensitive/bad. But, I don't like coincidences, so the sun sensor is still not out yet for me.

You know the sweating and frosting would have to be after it working a little while, and gone rapidly in your kind of heat. Sorry, the center dash vent is where you measure the temp. Like I think I said before, if you take a ground wire and a hot wire to the clutch, with its wires removed, you should be able to jump start it enough to prove that it still works. In fact, do this with the engine OFF. All it will do is slap closed, but that's all you need to know. That would be a particularly good test if it stops working when it just had been.
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