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09' Distinct (gas piston like) Noise after pulling away in auto transmission

Discussion in '2nd Gen. Tacomas (2005-2015)' started by $SFTACOMA$, Dec 8, 2009.

  1. Dec 8, 2009 at 12:38 AM
    #1
    $SFTACOMA$

    $SFTACOMA$ [OP] Member

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    Roberto
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    Wet Okole seat covers. Snug Top tonneau cover.
    - I've got an 09' DC 4x4 TRD Sport V6 with an auto transmission. The truck has 6,000 freeway miles on it with full synthetic mobile 1.

    Like clock work when I place the truck in drive and pull away I hear a (gas piston like) noise from under the hood. It reminds me of the gas piston on old screen doors. Being patient with my first new car I let it warm up and no matter if I run it cold or hot it still makes this sound.

    Is this normal ?
    Does anyone else have this experience?

    I've been too busy working to head over to the stealership, but any word would help ease my mind until I get a free time to have them take a look at it.

    Thanks in advance.
     
  2. Dec 8, 2009 at 9:32 AM
    #2
    06TRDsport

    06TRDsport Well-Known Member

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    Bend, OR
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    My '10 does the same thing. Supposedly it is something to do with the self-diagnostics of the traction control system.
     
  3. Dec 8, 2009 at 7:07 PM
    #3
    HondaGM

    HondaGM Roll Tide

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    yeap,abs priming:cool:
     
  4. Dec 8, 2009 at 8:03 PM
    #4
    Asgard

    Asgard Well-Known Member

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    You will also hear it when you hit a big enough bump or pothole.
     
  5. Dec 8, 2009 at 8:06 PM
    #5
    Kyouto42

    Kyouto42 Iron Beard

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    See build thread in signature
    Radio fixes that noise good: )
     
  6. Dec 8, 2009 at 10:32 PM
    #6
    $SFTACOMA$

    $SFTACOMA$ [OP] Member

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    Male
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    Roberto
    San Francisco
    Vehicle:
    TRD SPORT 4X4
    Wet Okole seat covers. Snug Top tonneau cover.
    Thanks for the insight team Toyota !
     
  7. Dec 9, 2009 at 2:20 AM
    #7
    brian

    brian Another Traitor

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    Abs ftw.
     
  8. Dec 9, 2009 at 9:10 AM
    #8
    squad314

    squad314 Thinks he's Steve McQueen

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    Into the mystic....(foggy Saint John, NB)
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    I've actually called it my trucks stomach growling.I can feel it in the gas pedal too..........Normal,no problem.:)
     
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