Transmission Fluid Leak From Cooler Line on Chevrolet Venture

Problem Description and Possible Solution

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.

Problem Data
RepairPal Verified
Average mileage: 51,000 (51,000–51,000)
Drive Train affected: FWD
8 model years affected: 1997, 1998, 1999, 2000, more2001, 2002, 2003, 2005
12 people reported this problem
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Three times I've had to have aluminum tranny lines replaced - they run under the front of the van and probably my salty winter roads are to blame. In hindsight, I would have had them coat them in something (like undercoat) after installing. What a pain.