2008 Pontiac Grand Prix engine knocking

2008 PONTIAC GRAND PRIX
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FAYZEE41
  • MEMBER
  • 1 POST
Engine Performance problem
2008 Pontiac Grand Prix 6 cyl

engine knocking while running could it be serpintine belt
Jun 11, 2009 at 12:32 PM
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BRIAN 1
  • ✓Experienced Mechanic
  • 1,030 POSTS
remove the serp belt and start it and see if the noise goes away,if it does it could be a belt tensioner,if it dosent try and isolate where its comming from,could be something more serious,check the tensioner first.
Jun 11, 2009 at 1:30 PM
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