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2012 Rear Differential Whine

Discussion in '2nd Gen. Tacomas (2005-2015)' started by Tacomax4, Mar 28, 2019.

  1. Mar 28, 2019 at 4:26 PM
    #1
    Tacomax4

    Tacomax4 [OP] Well-Known Member

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    Hey guys,
    I’ve got a 2012 Tacoma that gives of a high level of whining noise when letting off the throttle at 30mph but also 55+mph. I know there’s a TSB to replace the entire differential but being a 2012 I’m already two years out of power train warranty. Does anyone have a fix for this? Like replacing a ring and pinion etc.?
     
  2. Mar 28, 2019 at 4:28 PM
    #2
    HAVOC

    HAVOC Well-Known Member

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    Mines making the same noise, think it's the diff also. Need to drive it while on a lift and see where the noise is coming from.
    (reg. cab short bed, so no carrier bearing here)
     
  3. Mar 28, 2019 at 9:49 PM
    #3
    nickj604

    nickj604 Well-Known Member

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    Needle bearing on the drivers side of the front diff. Is your truck lifted ?

    If this is the case ECGS makes a bushing to replace the shitty bearing. This bushing seems to be pretty popular with everyone on the forum.
     
  4. Mar 28, 2019 at 9:51 PM
    #4
    Tacomax4

    Tacomax4 [OP] Well-Known Member

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    No it’s stock. Still makes the noise in 4WD as well.
     
  5. Mar 28, 2019 at 9:54 PM
    #5
    nickj604

    nickj604 Well-Known Member

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    A video would be best of this. Are you feeling anything in the seat, brake pedal or steering wheel?
    How many miles ?
    And if your really worried about the diff you can pull the drain plug and look for shrapnel.
     
  6. Mar 28, 2019 at 9:58 PM
    #6
    Tacomax4

    Tacomax4 [OP] Well-Known Member

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    It’s a similar noise to what the early 3rd gens are going through with their diffs. Feeling nothing in the seat or steering wheel, just a super annoying noise. 58,000 miles. I had the diff oil changed out with some Mobil 1 75w-90 about 3,000 miles ago, oddly enough I didn’t notice it before that
     
  7. Mar 28, 2019 at 10:18 PM
    #7
    nickj604

    nickj604 Well-Known Member

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    Have you checked the diff fluid level. Personally I hate letting other people work on my truck.
     

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