drive train clunking sound under acceleration.

Discussion in 'General Tacoma Discussion' started by Brendon Kehoe, Jun 8, 2020.

  1. Brendon Kehoe

    Brendon Kehoe New Member

    I own a 2003 3.4 4x4. I recently did a leaf spring swap.Since then I get a clunking sounds only as i accelerate. I have gone through all my u joints, torn down my t case trying to find the cause. i thought it was going to be the t case output shaft bearing but those are ok. Im lost without my yota can anyone help?
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  3. B-Man

    B-Man Well-Known Member

    Welcome. Did ya recheck your ubolt nuts?
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  4. texasred

    texasred Well-Known Member

    Taller leafs changing the pinion angle? Even a small change might stress old u-joints.
  5. OP
    Brendon Kehoe

    Brendon Kehoe New Member

    I have not yet. I will tonight I just dropped her after doing both differential tear downs. Thought maybe I had a planetary gear missing teeth or something but no. At this point u bolts are one of the few options left.
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  6. OP
    Brendon Kehoe

    Brendon Kehoe New Member

    That was my first variable I checked was the whole drive shaft. Everything was replaced less then 3 years ago. They were all tight and no play I thought maybe it was the center carrier bearing. I replaced that and it's good all the U-joints an the center carrier bearing are good.
    Last edited: Jun 8, 2020
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  7. B.C.

    B.C. Well-Known Member

    Angle just a bit off can do weird things.
    Also did you put the driveshaft back in it, in phase?
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  8. B.C.

    B.C. Well-Known Member

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  9. Tape

    Tape Well-Known Member

    If it didn't make noise before the leaf spring change, I would suspect it's something in the leaf springs.
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