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1998 Buick Park Avenue idle noise

Tiny
JIMMYYNKY
  • MEMBER
  • 1998 BUICK PARK AVENUE
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 62,000 MILES
When my car idles, I hear a noise more like a rattle or something loose. The moment I lay just the weight of my foot on the gas peddle it goes away. Usually this noise is heard when the car is still but in gear, like at a stop light. I seldom notice the sound when the car is running and in park. Could it be the tensioner on the belt or some pulley? Thanks
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Tuesday, January 13th, 2009 AT 2:23 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,913 POSTS
Hi:
The most common cause of this problem is a loose heat shield on the catylatic converter or other exhaust component. Tap on the exhaust with a rubber mallot and see if that is where the sound is coming from.

Let me know what you find.

Joe
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Sunday, February 1st, 2009 AT 4:25 PM

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