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.Google+
Car Problem Reports
Cadillac DeVille Rubber Transmission Cooler Lines Can Leak Fluid
Cadillac DeVille Problem
Average Mileage: 119,724 mi (15,000 mi - 210,000 mi)
Visitor, 2003 Cadillac DeVille
trans leaks terrible .........from where?
Visitor, 2005 Cadillac DeVille, 100,500 mi
Trany fluid leaking on rear axl
Visitor, 2005 Cadillac DeVille, 140,000 mi
2 inch trans fluid leak passenger side front of vechil is this a radiator cproblen
Visitor, 1998 Cadillac DeVille
Transmission cooler line leaking. Replaced radiator and all hoses.
Upper transmission lines leak at connections, leaking onto exhaust.