My 2000 cadillac deville dts overheats, plenty of antifreeze & water, new radiator, new water pump, new thermostat so what's the problem

Asked by wculley2 Nov 11, 2016 at 05:04 PM about the Cadillac DTS

Question type: Maintenance & Repair

My 2000 cadillac deville dts is overheating could the problem possible be a
water control valve for the heater system?

1 Answer

F_O_R answered 7 years ago

The car should not overheat whether you use the heater or not. I would check the thermostat, flush the system if you did not. Better yet use a backwash system that power flushes the system out. Also make sure the cooling fans are coming on and that the radiator hoses have not collapsed.

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