Car Problem Reports

Pontiac Trans Sport Rubber Transmission Cooler Lines Can Leak Fluid

Pontiac Trans Sport Problem
14 Reports
Me Too

Model Years Affected: 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998

Average Mileage: 132,800 mi (72,000 mi - 209,000 mi)


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

  • Visitor, , 102,000 mi

    transmission cooler lines leaked after buying used van. Not sure the exact time but it ruined the transmission 2 months after buying the van with only 98,000 miles on it. Now I check the fluids more frequently and I have to put in quarts of tranny fluid on a regular basis. Seems like there is another leak I cannot locate.

    Flag This
  • Visitor, , 101,000 mi

    transmission line leak caused all the fluids to go out and transmission went bad because of it.

    Flag This
  •  Rookie

    Rubber line blew off draining fluid while driving. Put tube back on clamped then added fluid and drove home.

    Flag This
Ask a Question