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Transmission Filler/Dipstick Tube Replacement - Reseat/Repair - 04 TB I6 4x4

Discussion in 'Vortec 4.2L I-6' started by webdawg, Dec 12, 2016.

  1. webdawg

    webdawg Well-Known Member

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    I think my transmission fluid filler/dipstick tube is unseated. There is rust in the tube and the dipstick gets caught sometimes at the end.

    I think it happened when I was working on the exhaust manifold.

    What is the easiest way to get it to and is there a seal or something? Just jack up the passenger side of the car and get under there?
     
  2. Wooluf1952

    Wooluf1952 Well-Known Member

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    The manual says:
    Remove the nut holding the tube to the exhaust manifold,
    Raise the truck,
    Put a catch pan under the trans,
    Remove the filler tube and seal. (Two separate parts)
    Replace in reverse order.
     
  3. webdawg

    webdawg Well-Known Member

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    I switched the Dipstick Seal Yesterday. There is rust inside of the dipstick tube, I cleaned it out w/ a brass tube brush and put the new seal in the Transmission then put it back together. It looks and feels decent now.

    Anyone comment why the inside of this tube may be rusty?
     
  4. 07TrailyLS

    07TrailyLS Well-Known Member

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    Is it rust or crusty old transmission fluid? What color fluid is on the dipstick when you pull it out. If it's anything other that bright red, change it
     
  5. webdawg

    webdawg Well-Known Member

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    It is bright red, it is rusty.
     
  6. 07TrailyLS

    07TrailyLS Well-Known Member

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    :celebrate:
     
  7. Wooluf1952

    Wooluf1952 Well-Known Member

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    There have been a few owners that pulled out the dipstick to check the fluid level, and had nothing but the handle. The dip part of the stick had completely rusted off. I don't remember any definitive reason.
     

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