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Thread: Coolant Levels - Advice Required Please

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    Default Coolant Levels - Advice Required Please

    Hi,

    Is it normal for Coolant levels to drop during the Winter/Autumnal months when using the heating in the car or do I have a leak somewhere. I've checked all of the the hoses/pipes that are visible & there doesn't seem to be any leaks.

    What would be the best course of action to take please?

    Best Regards

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    VIP-Member Johnsdutton's Avatar
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    Vehicle : Signum

    Trim : Elite

    Engine : 3.2 v6

    Year : 2004

    Mileage : 110,000

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    Coolant level will sometimes drop under normal use, but if it a sudden significant drop you will more than likely have a leak
    3.2 v6 Signum and loving it

    http://www.freewebs.com/johnsdutton/

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    check ur oil mate

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    Regular Member m8internet's Avatar
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    Quote Originally Posted by Panacea View Post
    Is it normal for Coolant levels to drop during the Winter/Autumnal months when using the heating in the car or do I have a leak somewhere. I've checked all of the the hoses/pipes that are visible & there doesn't seem to be any leaks
    The coolant system is sealed, so should not lose coolant unless there is a leak
    At the temperature increases it becomes pressurised
    If the coolant level falls then this suggests poor flow, as the result of a blockage
    The most common cause is the radiator
    Therefore next time the car is hot put your hand on the radiator and compare the difference in heat between the top and bottom
    The top should be less hot than the bottom
    If there is little difference then it is likely to need replacing
    Equally, if the temparature gauge fluctuates a lot and the radiator fan is coming on, then this too suggests the radiator has reached the end of its life

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    Quote Originally Posted by m8internet View Post
    Therefore next time the car is hot put your hand on the radiator and compare the difference in heat between the top and bottom
    The top should be less hot than the bottom
    Surely that should be the other way around?....the top of the radiator hotter than the bottom?

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