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03 Astro van noise

Tiny
ABSMJR
  • MEMBER
  • 2003 CHEVROLET ASTRO
  • 6 CYL
  • AWD
  • AUTOMATIC
  • 85,000 MILES
03 Astro Van AWD 4.3L 85,000mi.

I hear a whirring noise in the engine area when accelerating. Not loud but noticeable. I recently bought the van, and the noise was probably there then, I just didn't notice it until later.
Is this a common thing with this van, or something problematic that I should have checked out? Thanks for any help.
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Sunday, November 14th, 2010 AT 1:06 PM

2 Replies

Tiny
MMPRINCE4000
  • MECHANIC
  • 8,549 POSTS
Most likely a belt tensioner (bearing) is bad.

To check, on a cold engine, remove belt and run engine for 30 seconds, if noise goes away, then tensioner of other pulley bearing.
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Sunday, November 14th, 2010 AT 3:03 PM
Tiny
ABSMJR
  • MEMBER
  • 2 POSTS
Thank you.
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Sunday, November 14th, 2010 AT 3:24 PM

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