I have a noise coming from the top of my engine.

2000 GMC SONOMA
140,000 MILES
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JIMMER 80330
  • MEMBER
  • 1 POST
The noise is a soft tapping sound, not a hard knock. It is definatly coming from the top, and it doesn't go away at high rpm's. The engine uses no oil, and runs and idles smoothly.
Apr 12, 2012 at 11:39 PM
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ASEMASTER6371
  • ASE Certified Mechanic
  • 52,796 POSTS
  • ASE Certified Mechanic
sounds like a failing valve lifter. have it checked by a shop to confirm.

Roy
Apr 12, 2012 at 11:48 PM
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