Engine knocking noise?

Tiny
SHANE97PARKAVE
  • MEMBER
  • 1997 BUICK PARK AVENUE
  • 6 CYL
  • FWD
  • 190,000 MILES
I recently changed my belt tensioner due to a skreetching noise, after I replaced the tensioner and put on a new belt I hear a knocking, what could this be?
Saturday, March 26th, 2011 AT 8:54 PM

1 Reply

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good morning,

Can you upload a video of the noise so I can hear it?

A common knocking noise is the crankshaft pulley. The rubber wears out and the pulley moves back and forth.

https://www.2carpros.com/articles/engine-noises

I attached the procedure for you to view.

Roy
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Tuesday, September 7th, 2021 AT 4:58 AM

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