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.
The average cost for a Cadillac Seville Head Gasket Replacement repair is between $2,891 and $3,903.
The average cost for a Cadillac Seville Radiator Replacement repair is between $1,344 and $1,495.
The average cost for a Cadillac Seville Water Pump Replacement repair is between $688 and $871.
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