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Differential Howl T-SB-0076-08

Discussion in '2nd Gen. Tacomas (2005-2015)' started by tellico, Aug 8, 2011.

  1. Aug 8, 2011 at 7:05 AM
    #1
    tellico

    tellico [OP] Member

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    This TSB was issued to correct the differential howl at speeds 50-70mph. I had the TSB installed on a 2008 Tacoma, and it didn't work. In fact, it made the howl worse. Has anyone experienced the same problem? Of course, I am getting all kinds of BS from the service manager. He even says this whine is really normal for a Tacoma!
     
  2. Aug 8, 2011 at 10:20 AM
    #2
    tellico

    tellico [OP] Member

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    If the whine were normal, why did Toyota issue a TSB? I am communicating with a service rep, but he has the standard BS line.
     
  3. Jan 18, 2012 at 8:49 AM
    #3
    Camshaft

    Camshaft Active Member

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    I'm having this same howling noise too. For me it happens around 40km/h and is more noticeable in cold weather. Has anyone discovered a way to fix this yet?
     
  4. Jan 18, 2012 at 10:44 AM
    #4
    tellico

    tellico [OP] Member

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    I had three differentials replaced in an effort to fix the whine/howl. None of which worked. Toyota now refuses to do anymore work on the problem. Bottom line is they can't fix it.

    I even complained to the State Consumer Division with no results. State said that they had no power and my only option was to sue them. Which, I cannot afford.

    The howl seems to be getting worse and I guess I'll have to have it repaired someday with my own money even though It is still under warranty.
     
  5. Jan 18, 2012 at 12:50 PM
    #5
    danteisme

    danteisme Well-Known Member

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    that makes me feel better, because i have the whine and am well out of warranty.
     
  6. Jan 18, 2012 at 12:56 PM
    #6
    BlueT

    BlueT Well-Known Member

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    I moded 1999 Taco so much it had turned to Land Cruiser
    If you had 3 diffs that means its not your diff howling. I would change dealer or get some private tech to figure out what is exactly wrong because current set of people is not doing that great of work.
     
  7. Jan 20, 2012 at 9:00 AM
    #7
    tellico

    tellico [OP] Member

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    I'm thinking about it.
     
  8. Feb 2, 2012 at 8:17 AM
    #8
    danteisme

    danteisme Well-Known Member

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    any update of this situation?
     
  9. Feb 2, 2012 at 12:28 PM
    #9
    tellico

    tellico [OP] Member

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    I don't drive the truck much,25,049 miles. And,I am waiting until spring to have it checked out for something other than a differential. I just drive it to pull my boat.
     
  10. Feb 2, 2012 at 2:48 PM
    #10
    Raylo

    Raylo Well-Known Member

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    Mine is in for a rear axle bearing howl, woo-woo noise. Maybe have a look there on yours....
     
  11. Feb 3, 2012 at 2:33 PM
    #11
    tellico

    tellico [OP] Member

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    Good idea! Thanks!
     
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