2000 Chevy Impala Slapping noise from under the hood

Tiny
CISGRADUATE
  • MEMBER
  • 2000 CHEVROLET IMPALA
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 109,000 MILES
There is a slapping noise happening when I start my car (almost sounds like a bent fan blade). When I shut the car off and restart the noise (in most situations) stops. A friend suggested that it may be my water pump. Do you agree that it's my water pump? Can I fix this myself? Do you have step by step instructions on how to fix?
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Monday, June 23rd, 2008 AT 12:06 PM

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Tiny
SERVICE WRITER
  • EXPERT
I wouldn't jump into a pump unless it is the source. USe a stethescope to narrow down the noise. You can use a wooden dowl or long screwdriver for this as well. Place your ear to one end, while the other is touching a questionable component. The noise becomes more evident to narrow down. One component I would be thinking of is the serpentine belt tensioner as it may be getting sticky.

Have someone else start it while you look and listen.
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Tuesday, June 24th, 2008 AT 5:02 AM

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