Cadillac DTS Problem Report

Cadillac DTS Coolant Leaks From Water Pump and Radiator

(11 reports)

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.

Was told by auto shop that coolant bypass was leaking---Was given an estimate including labor of $1400 to repair---I have not yet had work done--Does this sound kosher -
Water pump went and had to replace -
Random overheating at idle, guage would go from mid point to red very quickly - too quick to be real. Probably reading air in the system. Found coolant level low, so filled to appropriate level. Overheated again in driveway a week later and noticed leakage evidence under water pump. Replaced water pump and filled coolant. 2 months later overheating starts again, always at idle. This time noticed coolant under front of car, radiator appears to be source. Plan to replace radiator this weekend. -
water pump leak. replace pump -
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