I have a 1986 Chevy S-10 pickup truck with a 2.5 in it that has a loud knocking

  • Thread starter Thread starter carey p
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carey p

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noise, can someone help? The motor has a loud knocking noise. I dont believe it is a rod because it does not knock or rattle when it is started first thing in the morning. The motor runs great just really noisy
The rattle doesnt get consistently noisy when you rev the engine at all. I have been told timing gears possibly
 
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