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
Buick LeSabre Rubber Transmission Cooler Lines Can Leak Fluid
Buick LeSabre Problem
Average Mileage: 104,444 mi (80,000 mi - 125,000 mi)
Visitor, 2005 Buick LeSabre, 103,000 mi
Both transmission cooler lines were leaking. Both lines were replaced at a Buick dealer service department.
Visitor, 2002 Buick LeSabre, 114,000 mi
Rubber Transmission cooler lines leak
Visitor, 1994 Buick LeSabre, 110,000 mi
Lines near rad are very weepy. I have not replaced them yet. 110,000mi.
Visitor, 1992 Buick LeSabre, 80,000 mi
Leak where hard line meets hose.
Dealer says transmission cooler lines leaking and needs to be replaced. I didn't get an estimate on the cost...Does anybody out there know how much?