1998 Cadillac DeVille Rubber Transmission Cooler Lines Can Leak Fluid

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.

Affected Model Years

This issue affects Cadillac DeVille model years 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, .

64 people reported this problem

  • 1998 154,234 Miles
    Transmission fluid leaking from the upper cooler line

  • 1998 70,000 Miles
    I have to add at least a pint of transmission fluid a month to keep the dip stick in the cross hatches. But I don't see any sign of a leak in my garage under car. Where is the transmission fluid going. This is a 1995 Cadi Deville 4.9

  • 1998 0 Miles
    trans leaks terrible .........from where?

  • 1998 140,000 Miles
    2 inch trans fluid leak passenger side front of vechil is this a radiator cproblen

  • 1998 149,000 Miles
    Transmission fluid leak

  • 1998 100,500 Miles
    Leak from line connected to radiator

  • 1998 0 Miles
    Leaking from the bottom of the car

  • 1998 0 Miles
    My car jerks while driving

  • 1998 100,500 Miles
    Trany fluid leaking on rear axl

  • 1998 150,000 Miles
    Could this occur in 1992 Cadillac Sedan

  • 1998 0 Miles
    Transmission cooler line leaking. Replaced radiator and all hoses.

  • 1998 108,000 Miles
    There was a hole in the transmission cooling line near the metal coupling therefore I had to replace the whole line. Too bad the local auto parts stores ie. Autozone, O'Relly, Napa do not carry replacement part.

  • 1998 100,000 Miles
    havnt fixed it, apperantly its a recall

  • 1998 117,570 Miles
    Replace lines

  • 1998 210,000 Miles
    Upper transmission lines leak at connections, leaking onto exhaust.

  • 1998 147,000 Miles
    Fluid leaking from front of car near radiator..running back toward tmission pan

  • 1998 200,000 Miles
    I have a coolant leak, transmission leak,blown head gaskets. It has not been fixed.

  • 1998 0 Miles
    my transmission is slipping due to leaks in my hoses and fittings

  • 1998 86,000 Miles
    Transmission leak

  • 1998 80,000 Miles
    Transmission fluid leaking