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My 96 Mercury Grand Marquis is running hot. I recently changed the radiator, thermostat, fan clutch, and overflow tank. The temperature gauge does not show it is hot but suddenly it will start smoking and sputtering. The smoke seems to be coming from in the middle around the engine.

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  • Cars & Trucks Master
  • 5,668 Answers

Could leak head gasket.

Posted on May 08, 2013

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Posted on Jan 02, 2017

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dennymulford
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SOURCE: 96 Deville Overheating....TroubleShooting

did you run a compression check? if so and its good then you have a blockage in the water jacket
if not then you have a head gasket leaking

Posted on Feb 26, 2009

  • 2 Answers

SOURCE: Dash Temp Gauge reading extremely hot

I had an issue with my 95 taurus and we ended up having to replace the thermometer

Posted on Mar 05, 2009

  • 94 Answers

SOURCE: Temperature gauge almost redlining

What engine does your Ram have? This could be an indicator of a bad head gasket. If the sensor for the gauge is truly bad, the only way test that theory is to install an aftermarket gauge, use an infrared temp sensor on the water outlet hose or replace the coolant temperature sensor. If this doesn't help, you may need to take it to a mechanic and have them do a leakdown test. Failed headgasket can cause bizarre overheating issues. Good luck.

Posted on Jul 07, 2009

emissionwiz
  • 76164 Answers

SOURCE: electric fan on radiator runs whenever engine is

this is either a sticking fan relay or the sensor is in the thermostat housing, try the relay 1st.

Posted on Sep 28, 2009

  • 713 Answers

SOURCE: 1993 Toyota Camry V6: Engine Overheating Prob

Yes if it hydraulically operated it could be because the pump for the fan is bad. If I am not mistaken the fan is run off of the power steering pump correct. check and make sure the pump is working correctly. I have not seen a hydraulic motor on a car I know they put them on a lot of diesel trucks like humvees and some Chevy diesels but not on a car. Most are usually electrical. I know on humvees with a hydraulic fan they have a fan controller check this and make sure it is working right you can unplug the controller and the fan should stay ingaged and turn faster.

Posted on Oct 05, 2009

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2 Answers

I have a 2001 mercury grand marquis ls. it overheats when im driving it but don't shows it on the temperature hand ..what is the problem ??


The temperature switch on the side of the upper radiator hose is not working. That is, if the engine is hot. Boiling over - need to check thermostat. Grab on to upper hose (should be hot) than with engine off, grab bottom radiator hose. It also should be same temperature as top. If so, thermostat ok. Electric radiator fan - turn Ac on. Fans should run. No, check fuses & relay. Mechanical fan - with engine off, the blade should be stiff to turn. Easy, replace fan clutch. Usually, low level of water is most common. Wish you well.

Apr 18, 2017 | 2001 Mercury Grand Marquis

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Temperature gauge on a 2008 Dodge Grand Caravan keeps fluctuating while driving


First things first....
INSPECT COOLANT LEVEL
Low ????
PRESSURE TEST SYSTEM
PRESSURE TEST RADIATOR/EXPANSION TANK CAP
INSPECT DRIVE BELT(s)
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TEST THERMOSTAT OPERATION
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May 01, 2015 | Dodge Cars & Trucks

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The engine needle exceeds the hot point after a very short time


It can be faulty thermostat or worn out waterpump. Or the radiator is clogged.For step by step troubleshooting click the link below:----
http://www.gresk.com/2013/09/temperature-gauge-will-go-up-to-hot.html
---------
Thanks.

Sep 29, 2013 | 1994 Mercury Grand Marquis

1 Answer

Coolant sensor bad


First replace the thermostat at the end of the hose where it meets the engine. then fill 50/50 start engine if it starts to get normal hot have some one shut the engine off and grab the fan it should be hard to turn if not replace thermostat clutch for fan about 40 dollars don't tip wrong way liquid will run out. Or radiator plugged

Dec 02, 2011 | 1997 Jeep Grand Cherokee

3 Answers

1992 mercury grand marquis is over heating, whats the problem


There are many things that can cause your engine to overheat. It could be caused by a bad thermostat, a faulty fan clutch, a defective electric fan motor (if your vehicle is equipped with one), torn/broken hoses, or a bad water pump. It could also be something much more serious like a blown head gasket, intake manifold gasket, or a cracked cylinder head or engine block. It could also be something as simple and easy as an inaccurate temperature sending unit making you "think" the engine is overheating when it actually is not.

In any event, proper diagnostics need to be performed immediately. An overheating engine is nothing to mess around with unless you are very wealthy and can afford to replace an entire engine.

Please also review these articles:

What To Expect From An Online Car Expert

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May 29, 2011 | 1992 Mercury Grand Marquis

3 Answers

Fan blades not turning - the main cooling fan radiator


electic fan relay or coolant temp sensor will be ur problem if its not a fuse

Jun 28, 2009 | 1996 Mercury Grand Marquis

1 Answer

My 96 meunder the mercury grand marquis is running hot


A cracked Intake manifold. Check the manifold in two places, on the front cross over behind the alternator and the base of the heater hose connector on the rear of the passenger side.

Mar 02, 2009 | 1996 Mercury Grand Marquis

2 Answers

1986 mercury grand marquis LS overheating


Sounds like the thermostat is stuck closed.
If the car is overheating, they will also hurt perfomance.

But after sitting 8 yrs, it's hard to say what else might be wrong.
Was it just sitting, and you threw some gas in it to get it running? Or did you go through the car first to do some maintenance? Like an oil change, flush the gast tank and carb and put in all fresh. Change the fuel filter? and the list goes on. A car sitting that long can develope some problems just from sitting. If you could list what you have and haven't done to the car before this would help.

Aug 11, 2008 | 1996 Mercury Grand Marquis

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