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Underhood Chirping Noise

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Old Apr 1, 2010 | 10:09 AM
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jd_blk_c5's Avatar
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Default Underhood Chirping Noise

Hi All,

Earlier this week I had my belts replaced at the dealer. Car ran/sounded fine for about a day and a half. Now, after the engine heats up i get a chirping noise between 1500-4000 rpms coming from the engine bay. The noise gets louder and speeds up with revs, but the rhythm is slower than the belts are moving. Anyone had a similar problem? I should also point out that my main drive pulley has a slight wobble.
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Old Apr 1, 2010 | 10:55 AM
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From: Howell Michigan
St. Jude Donor '09-'10-'11
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Originally Posted by jd_blk_c5
Hi All,

Earlier this week I had my belts replaced at the dealer. Car ran/sounded fine for about a day and a half. Now, after the engine heats up i get a chirping noise between 1500-4000 rpms coming from the engine bay. The noise gets louder and speeds up with revs, but the rhythm is slower than the belts are moving. Anyone had a similar problem? I should also point out that my main drive pulley has a slight wobble.
Why were the belts replaced? If the dealer did the work why not take it back to them to fix?

As far as the noise goes, it could be any one or more of a number of items. The belts, pulley alignment, tensioner/idler bearing, harmonic balancer with bad elastomer bond, etc...
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Old Apr 1, 2010 | 11:59 AM
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I agree with Eric. Those tensioners and especially look at the harmonic balancer because if its starting to wobble on you, that needs attention right away.
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