15 FL dd15

Discussion in 'Freightliner Forum' started by Keepontrucking2016, Oct 24, 2019.

  1. nasriza

    nasriza Road Train Member

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    sound like you got something going one with the valves from what i hear to same like @QUALITYTRUCK said, probably exhaust or maybe engine brake getting stuck take it somewhere get it checked out before causing any bigger damage.
     
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  3. Keepontrucking2016

    Keepontrucking2016 Light Load Member

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    I talked to my mechanic he said it might be your EGR valve and I'll get home look up a computer and check what's going on truck drives normal no power loss nothing at all could EGR causes valve
     
  4. nasriza

    nasriza Road Train Member

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    I don’t think it could cause the noise u are having.
     
    mhyn and QUALITYTRUCK Thank this.
  5. Keepontrucking2016

    Keepontrucking2016 Light Load Member

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    Will the computer show everything if they do diagnostic on all the tests
     
  6. QUALITYTRUCK

    QUALITYTRUCK Road Train Member

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    This issue is one of the very few these days that a laptop is not going to help you. Have to revert back to good ole fashioned mechanical troubleshooting.
     
    mhyn Thanks this.
  7. Keepontrucking2016

    Keepontrucking2016 Light Load Member

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    I trust my mechanic so far he knows what his doing did a lot of work on my truck he saying this is something new to him I'm sure he can figure out
     
  8. mhyn

    mhyn Road Train Member

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    what I am thinking this video is about it.
     
  9. Keepontrucking2016

    Keepontrucking2016 Light Load Member

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    Does not sound like that at all it's sounds like this
     
    Last edited: Oct 26, 2019
  10. Keepontrucking2016

    Keepontrucking2016 Light Load Member

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    My mechanic found a problem my valves were too tight as soon as he fixed that everything's normal I got power no more thumping noise or popping noise
     
  11. JAD1024

    JAD1024 Light Load Member

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    Apr 9, 2018
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    What was it ??
     
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