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Thread: Temperature problem

  
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    chriswebb007's Avatar
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    Temperature problem

    Hello everybody,

    I know this is in the wrong section but i was hoping for a quick response!!

    My temp gauge in my car is a bit dodgy, when i'm driving my temp gauge is running really hot at around 100 does anyone know what this could be coz i have to have my heater on full (HOT) to try and keep the car cool and its not very comfortable driving when its hot, please help me!!

    Thankyou!!

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    could be ther thermostat

    and have you checked your coolant level ?

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    Moved to tech queries - although it may get more reads in general chat, your more likely to get a prompt and correct answer by posting in the right forum.

    It sounds like you thermostat is stuck shut

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    Check coolant level first. Then it could be one of a number of things:

    Thermostat not opening
    Blockage or air in coolant system or heater matrix
    Water pump knackered
    Leak
    Blown Headgasket

    Most of the above would have other symptoms too - like heater not working, or water in the oil etc. Most likey to be the thermostat or your water pump. check the large pipe coming from the thermostat housing to the rad - it is hot? if its cold and the engine is warm its your thermostat not opening.

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    Thankyou everyone, i'll check everything you have all said tomorrow and hopefully be able to fix the problem!!

    If the thermostat is stuck shut is it easier to replace it??

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    yep its easy to replace

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    Quote Originally Posted by chriswebb007
    Thankyou everyone, i'll check everything you have all said tomorrow and hopefully be able to fix the problem!!

    If the thermostat is stuck shut is it easier to replace it??
    best to replace it mate, quite easy.. get a haynes manual it will talk you through it, as winter is on its way you can replace the anti freeze at the same time!

    is your temp rising fast? Steam from the exhaust with hot engine? Low water level? Warm dirty smell from engine? If ypou have any of these symntoms, in the worst case it could be a blown head gasket.
    199 BHP 322 lbs/ft Torque from a smokey diesel!!!!

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    Quote Originally Posted by chriswebb007
    Hello everybody,

    I know this is in the wrong section but i was hoping for a quick response!!

    My temp gauge in my car is a bit dodgy, when i'm driving my temp gauge is running really hot at around 100 does anyone know what this could be coz i have to have my heater on full (HOT) to try and keep the car cool and its not very comfortable driving when its hot, please help me!!

    Thankyou!!
    I think the main point has been missed here.
    The coolant system on a modern car is supposed to run at around a 100 degrees.
    This is achieved by pressurising the system and therefore raising the boiling point.

    So the first point is, does the car overheat if you let it idle etc with the heater off?

    Are you having to top the coolant up every so often?

    Can you see any visible leaks anywhere, or patches of water/anti-freeze on your drive???

    Is the fan cutting in?

    I think before jumping to replacing a part, the cause must be established, without that, you could be replacing everything!

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    It could also be a faulty gauge

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