Transmission Fluid Leak From Cooler Line on Cadillac DeVille

Problem Description and Possible Solution

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.

Problem Data
RepairPal Verified
Average mileage: 121,130 (15,000–238,000)
16 model years affected: 1990, 1991, 1992, 1993, more1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
48 people reported this problem
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Viewing 1 - 17 of 17 comments
trans leaks terrible .........from where?
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
Transmission fluid leaking from the upper cooler line
2 inch trans fluid leak passenger side front of vechil is this a radiator cproblen
Transmission fluid leak
Could this occur in 1992 Cadillac Sedan
My car jerks while driving
Transmission cooler line leaking. Replaced radiator and all hoses.
Transmission leak
Leak from line connected to radiator
Transmission fluid leaking
The gas gage don't work and my heater stays on and the o rings and my car is smoking
havnt fixed it, apperantly its a recall
Leaking transmission fluid, will take it in tomorrow to get the official diagnosiswill take it in tomorrow to get the official diagnosis
Trany fluid leaking on rear axl
Upper transmission lines leak at connections, leaking onto exhaust.