Question about 1994 Cadillac DeVille

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1994 DeVille Radiator

First time yesterday on 100k mi, : warning came on of high temp engine coolant ...engine hot ...then engine shut off. We checked and refilled coolant and it leaked right out thru blown plug. Shop wants 700 to replace radiator, etc. Can I replace this myself? Worth it? Still don't know why it blew, more trouble ahead I suspect. What is car worth to unload?

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About 600,00

Posted on Aug 30, 2008

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I have a 96 Jetta GL and I just replaced the thermostat in it because I have no hot air coming out of the vents and now my car is running hot. What is the problem and how could I fix it?


AS FAR AS THE OVERHEAT ISSUE BLEED THE AIR OUT OF THE COOLING SYSTEM. FOR THE NO HEAT CHECK OPERATION OF TEMP BLEND DOOR AND FOR CLOGGED HEATER CORE

Dec 18, 2014 | Cars & Trucks

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Y dose the john dear 6330 run hot all the time even after it blowen out



Engine or hydraulic system overheating clearpix.gif clearpix.gif clearpix.gif clearpix.gif clearpix.gif clearpix.gif Coolant system low on coolant in 6020, 6030, 6030 Premium, 7020, 7030 and
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After several hours of work, warning system indicates hot engine coolant or hot hydraulic oil.
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May 21, 2014 | Cars & Trucks

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High coolant temp


It is possible, how ever, I would check for inop coolant fan, or restricted radiator. If parts of the radiator are cool to the touch when the coolant fan has kicked in, very possibly resricted flow of coolant through the radiator.

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chances are the bottom hose has "blown"its NOT advisable to drive it ANY distance but get a local mech to fix it asap.fill it up before you drive and if red light appears STOP and refil with water (blue light only comes on when COLD).

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1 Answer

I had refilled coolant yesterday. Today, coolant is empty and engine gets very smokey.


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1 Answer

Drive for about 15 mins and car get to a warm temp and then suddenly turns off with no hesitation missing or warning then will not start again for 30 mins when it has cooled down, temp doesnt get hot.


To start with check the coolant level in radiator...Your vehicle is equipped with a head temp sensor that is designed to shut motor down before it reaches temp. that will result in engine damage..If level is ok then i would look at the water pump at being your next culprit.In either case i would definetly check your temp. sending unit to make sure its operational due to the fact you state that vehicle doesnt get hot...Another thing you can check is to make sure that your cooling fan turns when car gets hot...If fan doesnt come (after you have made sure coolant temp sensor is operational) check fan relay located in power distribution box in engine compartment...

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