Radiator problems of the 1999 Cadillac Deville

Three problems related to radiator have been reported for the 1999 Cadillac Deville. The most recently reported issues are listed below.

1 Radiator problem

Failure Date: 09/12/2008

While driving vehicle reached high temperatures. Had radiator replaced and thermostat. The car still overheats. Took the car to technician who suggested to replace the engine which would cost $7,000. Through online research, my daughter discovered the Cadillac Deville 1999 northstar model/vehicle has numerous issues due to overheating and head gaskets.

2 Radiator problem

Failure Date: 09/07/2008

While driving vehicle reached high temperatures. Had radiator replaced and thermostat. The car still overheats. Took the car to technician who suggested to replace the engine which would cost $7,000. Through online research, my daughter discovered the Cadillac Deville 1999 northstar model/vehicle has numerous issues due to overheating and head gaskets.

3 Radiator problem

Failure Date: 12/15/2005

1999 Cadillac Deville. Consumer states that the vehicle persistently overheats and the engine shuts off. The consumer stated the vehicle was leaking coolant. The thermostat, upper radiator hose and reservoir were replaced. A diagnostic test revealed exhaust was entering the coolant system and the vehicle would emit smoke of any color.




Fuel Economy of Deville Vehicles
Deville Service Bulletins
Deville Safety Recalls
Deville Defect Investigations