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1999 Cadillac eldorao it keeps saying it's running hot but I'm not losing water or it's not smoking

I like my car please any ideas

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Is the thermostat stuck closed or partially closed, or is the radiator cap not releasing at around 14 PSI?

Posted on Apr 29, 2017

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1 Answer

My car saying it's running hot but I'm not losing water or it's not smoking why


didnt specify vehicle --generic answer -- check and test thermostat--water pump--belt[s] are tight and fan operation

Apr 29, 2017 | Cars & Trucks

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1999 cadillac keeps over heating,cant find relay switch


i have found that with most cadillacs that run hot its because of a blown head gasket. have a compression test done first,check your oil to see if theres water in it!

May 02, 2012 | 1999 Cadillac DeVille

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I HAVE WHITE SMOKE COMING FROM TAIL PIPE WHEN IDILING.NOT RUNNING HOT JUST SMOKE


If the smoke has a sweet smell, it is burning antifreeze, if not, it probably just water in your fuel, add some water remover to the tank.

Feb 23, 2011 | 1992 Cadillac Brougham

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I just purchased a 1999 Cadillac Deville. Drove fine for a few days. Today I drove 75 MPH for 20 miles on freeway and car began to overheat. Dashboard told me to replace oil. Checked the coolant, it took 1...


When a Cadillac (Northstar) overheats, It will give the message to change the oil. If you run a Northstar and keep running it long enough it will start shutting off cylinders and stop the A/C compressor to help protect itself. In this condition I would check for a blown headgasket. Possibly your technican will find the problem. Could also be stuck thermostat, dirty radiator Thanks

Aug 31, 2010 | 1999 Cadillac DeVille

1 Answer

Runs cool for about 15 miles then it gets hot(220) so i turn it off to let it cool about a half gallon of water is gone


220 to 230 deg. F is actually normal for the 1998 Cadillac Deville. If it goes to 250 deg. F or even 260 deg. F it goes into a limp mode where fresh air is pumped into 1/2 of the cylinders to preserve the engine up to 40 mi. of travel (in the case that a radiator fan isn't working or coolant has completely leaked out of the system).

If a half gallon of water is gone in the system and you keep losing it, there is a leak in the system say in the water pump o-ring or the radiator, or a hose.

Jun 28, 2010 | 1998 Cadillac DeVille

1 Answer

My 1999 cadillac deville keep running hot, i have replace raditor, this car still running hot


If you have change the radiator , then check the thermostat for its temperature while running . then try to change the engine oil it could be one of the reasons that your car is having a overheat problem.

Aug 01, 2009 | 1999 Cadillac DeVille

2 Answers

Why does my 2001 cadillac deville keep running hot. ive changed the water pump and the thermistat


Well there could be a couple of problems if you live in a hot place you should change the thermostat to a lower tempatured one so the water will circulate sooner that will help it run cooler if that doesn't do it it might need the radiator flushed.

Jul 29, 2009 | 2001 Cadillac DeVille

1 Answer

'99 cadillac eldorado, Northstar engine w/AC problem


Have you unhooked the battery since you put the freon in? If not, do it.

Jul 04, 2009 | 1999 Cadillac Eldorado

2 Answers

Losing coolant


Please check the radiator it may be leaking or there may be hole in the coolant container or the sensor is defective get it checked ..................................

May 27, 2008 | 1998 Cadillac Seville

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