Question about 2002 Mitsubishi Montero

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My montero is over heating the fan comes on, water is added everytime, would this be the water pump or temp. gauge ?

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If you have to add water everytime that means you have a leak in the cooling system.If your cooling system is in propor order you should never have to add water.As far as where it is actually leaking from is very hard to say.There are several components that can leak coolant.If you are getting low on coolant far enough that will cause your truck to overheat.

Posted on Oct 06, 2009


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My car heats up in stop n go traffic. The temperature gauge can go as high as to the 'RED'. I adding water and coolant everyday. Are the fans supposed to come on as I am driving and the car heats up?

if you are adding coolant every day then you are experiencing coolant loss
could be from a leaking pump gasket , head gasket or other leaking item
have a compression test done to check for head gasket , cracked head
next have the cooling system pressure tested to find the cooling leak
lastly check the fan, fan relay , fuses and coolant temp sensor unit for correct operation

Sep 30, 2016 | Cars & Trucks

1 Answer

Car over heating,no pressure in top radiater hose,Fan does not come on,Bottom pulley is not turning.

sounds like ur water pump has gone did it make a squeeling noise this was ur bearings going , but even if it was not ur pump u have lost water and with out water in engine and radiator ur fans will not work as they work of water temp and as u have no water in rad no fans the reason not pressure is no water temp gauge works as it getting heat from ur block the pulley not turning sounds like u have scized up ur engine only now need a replacement or re build but check out first fill up with water and see were water is leaking from

Nov 03, 2013 | 2006 Chevrolet Impala

1 Answer

My truck is over heating, i have changed the thremostat and the radiator. I dont know if i burbed it corectly. Im at a stand still. it has good flow so the water pump is good.

Firstly check that the engine is actually over heating, you may have a faulty water temperature sender unit.
Also check your gauge is ok, disconnect the water temp sender wire and the gauge should either go to hard hot or cold. If neither happens your gauge is faulty.
Let me know how you get on.
Also check your fans are coming on to cool the radiator, if the engine is getting to over half way on the temperature gauge and the fans are not coming on then you have a faulty coolant fan sensor.
Replace this and you should be ok after that.

Mar 01, 2011 | Chevrolet 1500 Cars & Trucks

2 Answers

Car is running hot (temp gauge rises above normal)

Try the overflow tank cap. The seal will go bad and not hold the psi causing the water to flow out this is something you will not always see which will cause the engine to overheat or temp gauge to rise. Also the thermostat could be sticking and cause the temp gauge to rise. Are the fans turning on when the temp gets high? If so then I would resort to the above first. If the fans are not coming on, the relay or fan/s could be the problem.

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2001 Mitsubishi Montero Limited. 122k miles.

2003 Mitsubishi Montero Limited. 97k miles. Temp gauge is erratic when actual temp is normal. How do I fix this?

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GMC Sonoma SLE 4.3L 1991- Coolant Temp Gauge Not reading

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Jul 23, 2009 | 1991 GMC Sonoma

1 Answer

Began heating up

1-You might still have air in the system
2-when you start the car none of the fan should work about temp gauge 1/4 way up first fan should come on and about half way second one should come way to check the second fan is to tern A/C on .second fan should come on .

Apr 10, 2009 | 2002 Mazda 626

1 Answer

Heat fluctuation on temp gauge

change the sending unit to the fan, if that doesnt work check for power too the fan or even a bad fan

Mar 22, 2009 | 1995 Pontiac Grand Prix

1 Answer

Still Pegged at Max Hot even with new Tstat

Glad to hear the water pump is working!

Have you checked the seal of the radiator cap?

Another possibilty I forgot to mention is the fan clutch. This is what engages and disengages the fan. If it is working you should hear a 'click' sound as it engages and disengages.


Jul 05, 2008 | 2002 Mitsubishi Montero

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