Question about 2000 Mercury Grand Marquis

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Ac don't work

Ac won't work . clutch that rides on belt won't enguage and when I turn on ac or heater it blow's a fuse to my blinkers! Any ideas? thanks tom

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Check a/c compressor by pulling compressor relay and jumping relay switch if cluch engadges you have a short if not
replace compressor.

Posted on Aug 27, 2008

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see if the a/c clutch is engaging when a/c is turned on. The clutch is where belt goes around at a/c, you should be able to hear a click from it, if it is working! Raise hood, start car and check for a bad clutch. If clutch is not engaging check for a blown fuse. God Bless!

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1 Does the fuse blow when the heater is on, or just the AC?
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My car squeals when I turn on the AC. The belt is pretty worn, or what I think is the belt. It use to blow a little bit of cool air until the squealing started. Now it smells like burnt rubber and hot air.


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That would be my first guess.

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