dd15 drum noise

Discussion in 'Freightliner Forum' started by 4noReason, Jan 16, 2020.

  1. 4noReason

    4noReason Road Train Member

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    any idea what could be causing a drum noise. i hear it during idle. no power loss. only issue i have is low fuel mpg. dd15 cas adia 2012. 870k miles
     
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  3. baha

    baha Road Train Member

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    Pull the big intake air hoses and ex. pipe off the turbo and ck for signs of rubbing on turbo housing, look for any oil on inside of ex. and intake pipes?
     
  4. 4noReason

    4noReason Road Train Member

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    u think its the turbo on its way out
     
  5. baha

    baha Road Train Member

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    It wont take long to ck it by just removing pipes and ck.
     
  6. mhyn

    mhyn Road Train Member

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    push the clutch during idle... see noise disappear or not...
     
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  7. JAD1024

    JAD1024 Light Load Member

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  8. JAD1024

    JAD1024 Light Load Member

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    My DD15 was rebuilt for a head n head gasket, on restart had a squeak or squeal sound he said took it apart upper/lower bearing slightly scored, replaced on restart same noise he has it apart again and doesn’t see any issues , any ideas ??
     
  9. baha

    baha Road Train Member

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    Have the belt taken off and start it up for a short time just to be sure the fan belt is not making the sound?
     
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