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Ice Baby

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Posts posted by Ice Baby

  1. 1999 Carrera Tiptronic oil pan leak and fix


    1999 Carrera Tiptronic oil pan leak and fix About six months ago I noticed the transmission pan was wet with ATF. Wrongly assuming the gasket was leaking, I changed the gasket and filler round seal and while I had the sump off changed the filter too. Torqued everything to spec and filled her up. Everything running smoothly. Three months later the transmission started to slip. Had a look underneath and the pan was wet again. Cleaned it up so it was totally dry. Took the

     

  2. 1999 Carrera Tiptronic oil pan leak and fix


    About six months ago I noticed the transmission pan was wet with ATF.


    Wrongly assuming the gasket was leaking, I changed the gasket and filler round seal and while I had the sump off changed the filter too.
    Torqued everything to spec and filled her up. Everything running smoothly.


    Three months later the transmission started to slip. Had a look underneath and the pan was wet again. Cleaned it up so it was totally dry. Took the car for a short run and left it overnight.


    Next day the pan was dry around the sides but wet between the drain plug and filler hole.
    Wanting to isolate the leak I dried the pan again and taped blotting paper around the drain plug and another around the filler hole. Took the car for a short run and left it overnight.


    Next day the drain plug paper was dry and the filler hole paper was wet but touching the inside of the filler hole I could not detect any fluid.
    To pinpoint the leak I cut a 50mm hole (size of filler hole) in the blotting paper and taped it around the filler hole. I then stuffed paper into the filler hole and taped that up making sure that the two pieces were not touching. Took the car for a short run and left it overnight.


    Next day the paper around the hole was wet and the paper in the hole was dry.


    Finally, I knew where the leak was coming from.


    Not wanting to spend over AU$1,000 on a new oil pan, I ran some JB Weld over the join between the filler hole and pan. (See photo)
    It has been 3 months since the fix and the pan is still dry.


    I have also applied 80 Nm of torque to open and close the filler hole plug and this has not cracked the JB Weld seal.
    I hope this info will help anyone with a similar leak.

     

    1999 Carrera Tiptronic oil pan leak and fix.pdf

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