Question about 2002 Mercury Grand Marquis LS
The fan come won't come on.
does it smoke.
does not have any heat.
if you answered yes to any of these question, chances are you blow the head gasket.
try this with the engine cold or slightly worm, not hot, remove the radiator cap, make sure it has no pressure, fill it up to the top with fluid, coolant or water depend were you leave or climate, have some one crank start the engine while you observe the radiator coolant level, if the radiator spits out the fluid the head gasket is diffidently damaged. need to replace it. if not spiting , replace the thermostat and make sure that the fan works when engine reaches temperature.
Posted on Dec 02, 2014
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Posted on Jan 02, 2017
It might of just been a defective hose because if the pressure gets to high, the radiator cap will relieve the pressure when it reaches the pressure stamped on the cap.
Posted on May 16, 2009
Check your oil and see if it is milky lookinig...that is a sign of a bad haed gasket....here is the location of the thermostat...unless a different engine size...then post what you have and I'll get you the diagram here:
Posted on Jul 12, 2009
Hello! There is a Technical Service Bulletin (TSB) #1-15-6 that addresses electrolysis in the cooling system...If this TSB has been installed on your vehicle...There will be a tag on the drivers door with the TSB #...Also, a restrictor will be inserted into the heater core inlet...Lets eliminate this right up front...Check to see if this TSB is installed...
The vehicle does have a closed system...Electrolysis, coupled with air in the system is the likely culprit...Replacing the metal lines with rubber will increase electrolysis, which turns the coolant to a "goop"...Coolant flow is adequate when being pumped, but when you shut the engine off the goop blocks the system...Pressure is high...So coolant spews out...
I'll send a test to determine the level of electrolysis...You will need a DIGITAL multimeter...We'll fix the the electrolysis...flush the system...replace the thermostat...And properly bleed the air...Send comment about TSB and do yo have the digital meter...Guru...........Saailer
Posted on Aug 19, 2010
Testimonial: "No, TSB is not installed. No label, and there was nothing in the heater core inlet when I re-did the system. I own a DMM."
SOURCE: 2002 Lincoln LS V6 Overheating
when the car overheats, is there still water in the radiator?
If there is water in the radiator and the car overheats, then it means there might be some dirt or blockage in the radiator or condenser.
When the car is on the motion, air passes through the front and assists the fan to cool the engine. There are situation whereby air doesn't have free flow because of blockage in the radiator and condenser. Dust and debris can cause blockage. If this be the case, have your radiator washed thoroughly and cleaned.
If there is no water in the radiator when the car overheats, then there is a probably a leakage from the water pump. Or maybe your fan isn't blowing properly. The fan might be blowing weak air.
The above are what could cause your engine to over heat.
So start the check from the radiator. Poor water into the radiator, wait for some minutes, look under the car and observe if water is going to leak. If there is a leak, it might be from the water pump or a leaking hose.
If water from radiator has no leak, have your radiator washed and clean the condenser has they might block air that is suppose to cool the engine.
Also, make sure your fan is blowing properly or well enough to cool the engine.
Make sure you have the above checked thoroughly as they are the major causes of problems like this.
This overheating problem could lead to a burnt gasket and this can dry the engine oil which will eventually knock the engine. So have this problem fixed to prevent further damage that will cost you more money.
Lastly, remove the hose that connects the radiator to the engine, water from the engine will come out. Pour water into the radiator, the water will flow through the hose down to the ground. Do this severally. Now connect the hose back to the engine, pour water into the radiator. Start the engine, the water in the radiator will reduce, add more water till radiator is full.
In summary, the major cause of over heating problem is from the radiator, fan, water pump, blockage in the hose, and dirt in in/on the condenser. These are area you need to concentrate on.
I forgot to mention that the acceleration meter or engine meter on the dash board shouldn't be more the 5. It should be below 5. If it is above 5, it can cause overheating. I hope you understand what I mean.....
Posted on Sep 12, 2011
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