Question about 1992 Cadillac DeVille

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92 Cadillac Deville Overheating

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.

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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

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outdoorsman5

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SOURCE: water pump still leaks 92 cadillac deville

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

grimm_army

  • 43 Answers

SOURCE: 1997 cadillac eldorado running hot

Sometimes a vacuume leak can cause overheating problems too.

Posted on Jun 19, 2009

alicantecoli

Colin Stickland

  • 22485 Answers

SOURCE: 1996 Cadillac Deville overheating- head tested, no

remove pump and check that the imèller which is plastic hasnt seperated from drive shaft

Posted on Jul 16, 2009

brandon day

  • 173 Answers

SOURCE: We have a 1992 Cadillac DeVille - the motor has

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

csmock132

Clint Smock

  • 4669 Answers

SOURCE: cannot find overheating problem 1997 cadillac

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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