03 cadillac deville

Asked by Apr 02, 2017 at 06:03 PM about the 2003 Cadillac DeVille DTS

Question type: General

Car over heats. I changed water pump thermostat
and resrvoir cap. Drinks all my coolant out of
reservoir and stills overheat could the tank be bad
and there are no leaks or signs of bad gaskts.

1 Answer

73,035

Its must be bad head gaskets. Look for white smoke out the exhaust with a sweet smell to it. Also check the engine oil to see if it is getting over full, and signs of coolant.

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