Question about 2003 Mercury Mountaineer

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2003 Mercury Mountaineer with 4.6L is loosing coolant, no steam coming out of tail pipe or fluid leaking on the ground. The dealer thinks it intake manifold or head gasket. The hot oil light has come on twice but engine temperture was normal. The heater stops working. Anybody had this problem.

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Dont know of any head gasket concerns, usually when the intake manifold leaks it either split and pours out or the heater hose fittings crack and leak. Check the hose connections at the intake and make sure none of the hose clamps have cracked and are leaking

Posted on Mar 01, 2009

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What is the solution to a VW Bora v5 over heating and losing coolant with a message on the screen add coolat,stop,manual service


multi -solutions ---multi-situations if vehicle is emitting white smoke from tail pipe [steam ] your burning anti-freeze---blown head gasket ,warped head ,blown intake gasket===losing fluid look for leak ---bad hose ,radiator leak,water pump leak====water pump bad ====cooling fans not working ,these are some of the most regular problems that can cause your problems

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White smoke coming out tail pipe


That might be steam, check to see if you are loosing coolant if is loosing coolant but it doesn't leak onto the ground you could have a bad head gasket. It doesn't do it with the clutch in because there is no load on the engine.

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2003 mountaineer V8 Temp gauge jumps to hot not over heating. Replaced thermostat, no change


The Engine Temp. sensor is bad. it is under the intake manifold. if there is a miss also check under the coils over the spark plugs. If there is Coolant in the spark plug holes .then the intake gasket is leaking. The intake manifold needs to come off to change the coolant sensor. When off look for corrosion on the cylinder head at the coolant port. If there is corrsion then the cylinder head must be replaced.

Jan 06, 2013 | 2003 Mercury Mountaineer

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I have a Mercury Mountaineer 1997 and everytime I step on the gas pedal there is a sound and the coolant seems to disappear fast after being filled and there is a burning smell. I have been told to ch


If you are loosing coolant and there are no leaks, it is usually being burned in the engine because of a leaking head gasket or intake gasket.

Sep 15, 2012 | 1997 Mercury Mountaineer

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My car is running out of Anti-freeze rapidly,but there is no visible leak under the car or in the engine


You must have a intake manifold or head gasket problem, check to see if the oil level is high, if so it's most likely a intake gasket. Running a engine with this kind of problem won't last long.

Jan 18, 2011 | Chrysler LeBaron Cars & Trucks

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So yea i have a low coolant light on again i replaced the intake manifold last year and sometimes the light would go on and off but the fluid remained in the reservoir.. so the light came on the other day...


Easy way to tell if the intake is leaking internally would be to check the oil level because typically if it is leaking it runs through the engine and down into the oil pan.If the oil level is higher then normal then the intake gaskets leaking is a good possibilty. Another suggestion is checking the color of the exhaust coming out the tail pipe.Normal exhaust is white/grayish color and not normally thick and coolant escaping out the exhaust is typically a heavy white smoke.In addition that kind of exhaust would indicate a head gasket leaking. If you don't see thick white exhaust but the oil level is high the intake is probably leaking again.

May 20, 2010 | 2003 Pontiac Grand Am

1 Answer

BMW 1995 318i - Car Running Hot


There is a blockage or leak in your cooling system. That may come in a few different forms:
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Water pump not functioning - you may see water dripping from the pump or a stain from the hole under the water pump.
Severely coroded hoses/coolant passages - if the fluid is brown and the inside of the radiator rusty
External leak - you would see fluid on the ground Internal leak - you would see steam/white smoke from the tail pipe or water in the oil (may look like chocolate milk or not), if the oil level is extremely high this would be a good indication
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1 Answer

Losing coolant but not leaking


If you are absolutely certain that there isn't any external leaks then it has to be burning it. You may have a head gasket that is leaking slight enough that over time you notice a loss of coolant but it may not leak bad enough to notice it steaming out the tail pipe. Make sure that you do not have an intake manifold leak that just isn't hitting the ground. That is the first place I look for antifreeze leaks on GM engines(If thats all you been looking for is any fluid on the ground beneath where your car sits)

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My 1997 mercury cougar is running on the VERY high side of hot


check to see that the electric fans are turning on when they are supposed to, and make sure the coolant is full and that the rad cap is good. Bad radiator caps are one of the most common overheating causes

Jun 21, 2009 | 1999 Mercury Cougar

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