Question about 2003 Dodge Caravan

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Squealing noise I have a squealing noise when i first start my van especially when it's wet outside. this morning the battery light came on until I turned the heat off, then it when off. Is the belt slipping.

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Check and tighten your drive belts / fan belts. The noise you are most likely hearing is the belt slipping on the alternator pulley. Its worse in the morning because the starter takes more out of the battery when the engine is cold. This in turn leaves the alternator with more load to replenish charge. More load = more resistance on the pulley to turn, hence the belt slips if too loose.
Cheers John

Posted on Dec 16, 2008

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Can't find the source of the squeal


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The belt could be glazed and slipping even if it is tight.
You could have a weak belt tensioner too.
The noise when the ac or heat is turned on can be the extra load from the ac compressor or the alternator. The compressor cycles on and off especially in defrost mode.
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Even tho the belt looks fine, you may have to replace it to get rid of the noise.

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