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Old 05-28-2018, 09:09 PM   #1
2001cummins
 
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Help with a 2001 squeak

So my 01 dodge has a squeak. It gets louder as I accelerate. When I let off the fuel it dies back down but can still hear it. The water pump isn’t weeping. I’m thinking tensioner pulley. My ac doesn’t work so could it be the ac clutch? I don’t want to just start buying parts and it not getting fixed.
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Old 05-29-2018, 12:51 AM   #2
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A/c clutch won't usually squeak for very long. Tensioner would be my first guess, if you can hear it good at idle spray some brake clean on the pulley and see if it gets quiet.

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Old 05-29-2018, 12:52 AM   #3
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Edit* Does it get quieter right as you chop it or as it slows down?

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Old 05-29-2018, 07:52 AM   #4
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YEs it does get quieter as I let off the throttle.
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Old 05-29-2018, 10:17 AM   #5
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Does it get louder as you rev the engine, or only when you accelerate? Does it matter what gear you are in?
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Old 05-29-2018, 11:30 AM   #6
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Doesn’t matter what gear. Yes it gets louder as the engine revs.
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Old 05-29-2018, 11:46 AM   #7
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Weird. Load shouldn't change a belt squeak. I'd still try the brake clean on the belt and see if it gets quiet, that'll at least narrow it down.

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Last edited by chevota84; 05-29-2018 at 11:47 AM.
 
Old 05-29-2018, 06:42 PM   #8
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After brake clean and driving for 15 minuets. It’s still there.
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Old 05-30-2018, 12:26 AM   #9
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I had a 93 that did that and it was the alternator, squeaked at idle and got louder when driving. Had a spare one from a 96 so I switched it and the noise went away, you could barely hear it when you spun it by hand also.
 
Old 05-30-2018, 09:43 AM   #10
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have you pulled the belt and spun every pulley individually?

one time i took a wire brush on a 4" grinder and spun each pulley with that to see what i could hear with the engine off.... might be worth a try?
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Old 05-30-2018, 11:00 AM   #11
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Quote:
Originally Posted by 2001cummins View Post
After brake clean and driving for 15 minuets. It’s still there.
Did it go away as you sprayed it or no change?

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Old 05-31-2018, 06:50 PM   #12
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Quote:
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Did it go away as you sprayed it or no change?

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No change
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Old 05-31-2018, 07:01 PM   #13
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Pull the belts and see if it goes away.
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Old 06-13-2018, 08:44 PM   #14
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I had a squeaking problem with mine. Turned out to be the dampner on the crankshaft. The rubber gets soft and starts to come apart. Would be worth checking if you have not found the problem.
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