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Thread: 96 olds 4 speed trans cooler line leak

  1. #1
    Junior Member
    Join Date
    Apr 2020

    Default 96 olds 4 speed trans cooler line leak

    I recently replaced the cooler line going to the transmission on my station wagon on the bottom side of the car. I can?t get it to stop leaking from the fitting. I tried Teflon tape and that just made it worse, I was wondering if anyone here might have run into this problem before, and what they did to fix it.

  2. #2
    Senior Member
    Join Date
    Oct 2013
    Northwest Lower Michigan
    1989 Celebrity CL 4 door 3.1, 1989 Cutlass Cruiser 3.1


    What I did before was wrap the fitting in a piece of large hose and bed it in epoxy with some clamps. Messy but it worked in a pinch and for a long time. A better way would have probably been to cut off the fitting and support bracket, and just run new hose and clamp it over the metal line really good with fuel line clamps.

  3. #3
    Junior Member
    Join Date
    May 2020


    Transmission cooling lines leaking means either low-level of fluid or interrupted flow in the transmission. In both cases, the result is an overheated transmission that may stop functioning if the condition persists. Sometimes, it is difficult to spot the leak at the initial stage.

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