Losing water

Asked by GuruNB833 Oct 25, 2019 at 11:00 AM about the 2000 Cadillac DeVille

Question type: General

So ive got a 2000 cadilac deville and it
over heats it uses so much water i
have to put coolant or water moltable
times a day when i drive it.and i look
for water leaks dripping down but i c
nothing.ive replaced the thermastat
and it still is over heating so wear do i
go from here

2 Answers


Check the color of the oil if it's gray you have a warped head or blown head gasket also if you fill up the radiator with the car running does it keep spitting it out, it's another sign of a warped head or bad gasket

1 people found this helpful.

Most likely it's a blown head gasket. Your Cadillac has a Northstar Engine. They're notorious for blowing head gaskets. Have the coolant tested for the presence of combustion gases. If combustion gases are found in the coolant it's a blown head gasket and not worth fixing. You'll be looking at upwards of a $3500 repair bill. Both the engine and transmission assemblies have to be removed from the bottom of the car for starters. There's no other way to do the job. Hope that helps! Jim

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