Question about 1995 Buick Regal

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Transmission fluid leak

I have a small leak of tranny fluid that seems to be comming from under the radiatior on the passenger side. Any ideas on what it could be and how expensive to fix?

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It's probably a transmission cooling line that comes from the transmission and connects to the radiator, which cools the fluid, and returns it thru another line in the radiator. It could be loose, but It probably is rusted, based on the fact that it's 13 going on 14 years old, and probably needs to be replaced, as the leak will just get worse, and if the fluid gets too low, u can ruin your transmission. The steel cooling lines are available at any parts store, both the lines should be replaced if one is leaking. Parts for this are cheap, but labor to snake 5 or 6 feet of line ( x 2) from tranny to radiator takes a bit of time. countrycurt0

Posted on Sep 21, 2008

  • Curt Downs Sep 21, 2008

    A quickie fix (will last for some time) cut out the leaking section, put a gas line of the correct diameter on with clamps. I've done this several times when I sprung a bad leak, and didn't have time to replace all the lines. countrycurt0

  • Curt Downs Sep 21, 2008

    A quickie fix (will last for some time) cut out the leaking section, put a gas line of the correct diameter on with clamps. I've done this several times when I sprung a bad leak, and didn't have time to replace all the lines. countrycurt0


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On 2005 LaCrosse Buick 19000 miles I have a lower trans cooler line leak. What would this cost? Could you break down the part and labor....Thanks Peggy

Posted on Mar 10, 2009


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