The water pump and/or the plastic side tanks on the radiator may leak causing a loss of coolant. The engine may overheat due to coolant loss. Continued coolant loss after external leaks have been repaired could indicate a blown head gasket.Google+
Car Problem Reports
Cadillac DeVille DTS Coolant Leaks From Water Pump and Radiator
Cadillac DeVille DTS Problem
Average Mileage: 95,748 mi (38,500 mi - 175,365 mi)
Visitor, 2004 Cadillac DeVille DTS, 134,000 mi
2004 DTS has been overheating for 1 year, unable to drive over 35 miles. Spent over 4K looking and fixing car problem related. Best new Radiator, water pump and still working on issues.
Visitor, 2004 Cadillac DeVille DTS, 38,500 mi
Fluid leakage from area rear of radiator
Visitor, 2002 Cadillac DeVille DTS, 107,321 mi
plastic tank on the radiator right side has blown tonight just popped a Piece just popped leaving me with a huge hole in the radiator tank.
Visitor, 2001 Cadillac DeVille DTS, 75,000 mi
YES! Defect radiator ! We have 2 DTS same year almost same miles...BOTH needed new radiators at 75-85,000 miles....(in the same week..)
I replaced the Radiator and check for all leaks and sealed some of the leaks .. the leaks continue what do i do. Please advice.
Visitor, 2001 Cadillac DeVille DTS, 70,800 mi
Collant leak crossmember area/water pump replaced at 35000,another water pump required.Sad for a Cadillac
keep over heating change radiator and water pump but keep doing the same thing