Car Problem Reports

Pontiac Grand Prix Rubber Transmission Cooler Lines Can Leak Fluid

Pontiac Grand Prix Problem
13 Reports
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Model Years Affected: 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2006

Average Mileage: 143,666 mi (122,000 mi - 187,000 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, , 122,000 mi

    Replaced Cooling Lines because of High Pressure Leak.
    Fluid sprayed all over Engine.
    It looked like Transmission and Coolanf Fluids

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