Question about 1992 Cadillac DeVille
My mothers water pump, and radiator hose has been changed, the radiator has no holes and everything is working fine, weather it has just water, or half water, half anti-freeze it still boils and overflows when she turns the car off. I could fix it if i had any possible idea what the problem was.
Let the engine cool, remove radiator cap, start the engine let it warm up.
Make sure the radiator is full. Look in the radiator for a bubbling mist. that is the sign of a bad head gasket. Also caddies with aluminum blocks require special coolant.
Posted on Aug 01, 2012
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Posted on Jan 02, 2017
I hate to tell you this because I know it isn't an easy task changing the water pump but if it is coming between the block and the water pump housing you need to pull it back off and make real sure it is very clean by scraping the old gasket off and putting sealer on the gasket. Every bit of the old gasket has to be removed before putting the new gasket on. You could try and tighten down your bolts a little but be careful not to break the bolt or you then have another problem.
Posted on Jul 28, 2009
check fan fuses and relays. is the idiot light coming on . stop engin temp. if its coming on unplug it . its located behind the rear valve cover in the middle. if that isnt it replace temp sensor. located below the air breather.
Posted on Mar 25, 2010
These engines are know for leaking head gaskets. A good quick test for this is fill the coolant tank to the top with the cap off. Start the engine. If the the coolant blows out of the tank, you have a head gasket leak.
Posted on May 31, 2010
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