engine knocking at idle.

2005 GMC ENVOY
77,000 MILES
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GREGMANKUS
  • MEMBER
  • 5 POSTS
2005 Envoy SLT has engine knocking at idle. Oil Pressure is fine and no leaks. Sounds like a diesel at times. Vehicle runs fine except for knocking.
Aug 16, 2012 at 3:38 PM
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HMAC300
  • ✓Experienced Mechanic
  • 48,601 POSTS
have a pro look at this as we can't hear it. it could be anything making the noise.
Aug 16, 2012 at 4:05 PM
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