My 98 cadillac deville concours keeps over heating i need help

Asked by May 30, 2017 at 02:50 PM about the 1998 Cadillac DeVille Concours Sedan FWD

Question type: General

Dont know what i should do i love the car
just might have to junk it

4 Answers

95,795

Possibly head gaskets which are difficult to repair correctly. http://www.northstarperformance.com/sgstuds.php

Run strong still no power lost

109,565

Do you notice any white smoke coming out the tail pipes on the initial startup? Or possibly a slight engine miss that goes away after just a few seconds? Coolant in the oil or oil in the coolant, all of the above are sure signs of a blown headgasket. And yes they will still run very strong until they blown completely out. Other things could be a bad thermostat, restriction in the cooling system, blocked air flow through the radiator, inoperative cooling fans. HTH

95,795

Try a full cooling system service - new hoses, flush, t-stat and coolant and make sure the cooling fans work properly. You may also need a new radiator if flushing does not bring the temps down.

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