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.
Car Problem Reports
Buick Century Rubber Transmission Cooler Lines Can Leak Fluid
Buick Century Problem
Average Mileage: 91,700 mi (50,100 mi - 135,000 mi)
Visitor, 2002 Buick Century, 50,100 mi
My car is mixing transmision fluid with antifreeze and uts leaking transmision fluid by the transmision line
Visitor, 2003 Buick Century, 135,000 mi
Looks like the rubber trans. fluid cooler hose is leaking by the radiator.
water in tranny and tranny fluid in radiator