Transmission Fluid Leak From Cooler Line on Buick Riviera

An automatic transmission fluid leak may develop from the rubber section of a transmission cooler line. In some cases the rubber section of hose can be replaced. In others, the complete cooler line must be replaced to correct this type of leak.

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Average mileage: 161,933 (118,500–190,000)
9 model years affected: 1990, 1991, 1992, 1993, more1995, 1996, 1997, 1998, 1999
15 people reported this problem
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Viewing 1 - 3 of 3 problem details
I have developed a fluid leak where the rubber meets the metal on the upper transmission line on the drivers side that runs under the breather filter from motor to air filter.
1996 Buick Riviera 118,500 mi,
Transmission Lines started leaking after I had brake lines, fuel lines and radiator replaced. Transmission fluid puddles under RF fender. I hate this car!
Transmission fluid leaking.