Chevy/GMC Small Trucks Forum Discuss the Colorado, Canyon, Sonoma, S-10, etc here!

engine rattle noise

  #1  
Old 04-29-2008, 07:02 PM
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Join Date: Apr 2008
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Default engine rattle noise

My 96 S-10 has 260,000 miles and a noisy rattle in the top end. I have replaced the pushrods and rocker arms but the noise persists. It sounds like a low octane knock but it occurs at idle and whether under load or not. I have heard the same noise from several S-10's of similiar years. Any ideas???

 
  #2  
Old 04-30-2008, 12:24 AM
Join Date: Apr 2008
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Posts: 2
Default RE: engine rattle noise

It might be your injectors firing they can be noisy some times I had a T -bird with noisy injectors it drove me crazy for weeks before I figured it out.
 
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