Engine tapping noise, comes and goes, OldsDiesel 4.3V6

Discussion in '6.2L Diesels' started by turbokinetic, Sep 2, 2015.

  1. turbokinetic

    turbokinetic Registered User

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    Good to know - I will check into these.
     
  2. killen1

    killen1 Registered User

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    make any progresss so far thats really interesting
     
  3. detroit

    detroit Registered User

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    I have a couple of ideas of what the noise can be. Assuming the wrist pins and bottom end are sound, check for a cracked flexplate or possibly the wrong head gaskets installed that would make the pistons hit the gaskets at the top of the stoke. Those are the only ideas I have. Best of luck.
     

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