I own a shop, and see this kind of problem all the time. The best advice anyone can give you is; Take it to a shop that can pressurize the system, and check for leaks. Also check the cap to make sure it is good. If you can find no leaks, then the temperature sensor may be bad, and not letting the fan come on when it should. If it doesn't have an electric fan, then check into replacing the fan clutch. When they go bad, they won't engage to make the engine cool as it should. It is possible the radiator is plugged up too. You can guess on this situation to no end, so just take it in to a mechanic and let him tell you what needs to be done. You'll be glad you did, before it overheats and you end up having to walk. It is never good to let any engine overheat, as this can cause a lot of damage that can't be fixed cheap.
If you were told you have a bad gasket, then does this not make sense that you need to have it repaired? A vehicle will overheat in traffic if the fan does not work properly, but if it doesn't stay pressurized this lowers the boiling point of the coolant, and your fan can still be coming on, but not keeping it cool. You didn't say if your fan was working or not. When you are moving the air flows through the radiator, thus keeping it cool enough. Matter of fact you don't even need a fan as long as you are moving. I don't care if the fan is working or not, it is not going to work properly until you deal with the leak. You ask if anybody can answer what can be the possible reason for it overheating, and I have covered all the bases except a sticking thermostat, or stopped up radiator. I think you could rule out the stopped up radiator if it cools when driving. If someone done told you that you have a leaking gasket, and your fan is working, then you know what you got to do, and that is fix the gasket. The newer vehicles all have hot thermostats in them, to the tune of 190 degree or better. Water boils at sea level at 212 degrees. If the system is pressurized the boiling point goes up to around 230 degrees. Your fan may not come on until it reaches better than 212 degrees. I'm sure you get the picture.
Part 2:
Since you never stated which car, which engine, or which type of cooling system you have, kind of makes it hard for anyone to answer the question correctly. This is why I tried to cover all of them with my answer. You must bare in mind; that the people who answer these questions don't always have your best interest in mind, but they will vote the correct answer as a bad answer. I believe my background and experience will stand to reason; that I do know what I'm doing, and you must be careful at what bad advice you take. I will repeat something here. IF you have had it to a shop, and you were told it was a gasket leaking, and qualified mechanics on here back up that diagnosis, then what are you looking for? Common sense ought to tell you; that a leak is trouble, and if the voters on here fail to agree with that, then they are seeking points more than correct answers. This will also raise a big red flag for the people who police point scamming. The best thing to do to avoid this is; fix the car, and then come back and vote for the person who in fact had the best answer. If answering your questions become a waste of time, then you will not get the better answers, due to the fact no one wants to type a long drawn out answers knowing they will not get any best answer votes.
Glad to help you out, Good Luck!!!
2007-02-02 23:37:11
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answer #1
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answered by Anonymous
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Most cars now have an electric fan on the radiator that is controlled by a temperature sensor. The fan will only come on when the temperature rises to a certain point. When you are not sitting in traffic, the air flowing through the radiator will be enough to keep the radiator at normal temperature. When you are stopped, or going slowly in traffic, you do not have that air flow, so the fan will come on and provide the airflow to cool the radiator.
If the fan is not working, the car will overheat in traffic. Reasons for the fan not working include a bad fan motor, a bad sensor, or a problem with the power to the fan.
2007-02-03 01:52:53
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answer #2
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answered by fire4511 7
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I had the same issues with a Ford Taurus. It drove me mad. For 4 years I had every piece of the coolant system fixed with the exception of the heating core. I even had the engine replaced but the used engine they used was as bad as the first one.
Check the thermostat, water pump, freeze plugs, radiator, coolant reservoir, heater core and anything else that may be related. If you don't get it fixed right, you will end up burning up your engine.
My Ford is no more. Actually I am not sad about it in the least other than I liked the way the car looked. I traded it off for a minivan which is practical but not very pretty.
2007-02-02 23:37:37
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answer #3
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answered by Wealth of useless information 3
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Check your coolant level when the engine is cold. See if it is low. A leak in the gasket of the engine can be a serious problem, depending upon which gasket it is. By cleaning your radiator, are they talking about the inside of it? You could have multiple problems at the same time.
2007-02-02 23:31:30
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answer #4
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answered by Anonymous
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i do not understand, yet that is a topic the position a hybrid should be an astonishing automobile to have. it ought to close down and not in any respect use any means except even as it is really transferring. In stop-and-bypass site visitors it ought to even regain the countless means used by regenerative braking. i am going to truthfully be searching at hybrid and electric powered autos even as the time is composed of commerce mine in. i do not understand of a normal thanks to envision gasoline intake even as the automobile isn't transferring, except to estimate it with assistance from searching on the gasoline gauge. notwithstanding, I each and every now and then examine my straightforward gas mileage and that is fairly ordinary. I merely 0 out the holiday odometer when I fill it up. the subsequent time I fill the tank, I write down the mileage on the receipt. Divide the miles with assistance from the type of gallons and also you've were given your accepted mpg because the merely precise fill-up.
2016-11-02 05:03:17
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answer #5
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answered by ? 4
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thermostat? radiator leaking? Hose leak? do you notice any fluid on the ground? might just be a defective thermostat? good luck
2007-02-02 23:26:10
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answer #6
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answered by The Emperor of Ecstasy 5
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you might get your water pump checked out plus the radiator etc
2007-02-02 23:21:33
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answer #7
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answered by hepette 3
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Are you running the AC? Try running the heater. Try replacing the engine. Yours sounds broken. :-P
2007-02-02 23:21:42
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answer #8
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answered by TellMeSup 2
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sounds as tho your radiator fan isn't coming on.
2007-02-02 23:43:52
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answer #9
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answered by DASH 5
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you may need a better fan too.
2007-02-02 23:22:37
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answer #10
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answered by fite for rite 2
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