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Thread: brake/clutch fluid change

  
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    corsa_chr1s's Avatar
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    brake/clutch fluid change

    how much brake/clutch fluid will it take to change the whole system

    also can fluids be mixed dot4 - dot5.1

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    bucky's Avatar
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    try not to mix them mate
    1 litre should do it.

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    how do i empty system?

    do i loosen all bleed nipples and pump pedals till no liquid comes out?

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    NO NO NO NO.
    pllleeeease dont do that.
    suck the old fluid out of the resevoir.
    fill up with new fluid.
    undo one bleed nipple, pump pedal slowly up and down until the colour of the fluid changes to clear clean new fluid. close the nipple off whilst holding pedal fully down. make sure you keep the reservoir topped up with new fuild.
    move to the next brake and carry on process for the other brakes.

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    another way is to buy a one man system such as gunsons eezibleed about £20 uses pressure from spare tyre to bleed system. Can be brought from various places online and on the high street. Easy to use Instructions here http://www.mossmotors.com/graphics/products/PDF/386-868.pdf

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    You can 'mix' 4 and 5.1 but you want to end up with as near 100% whatever you choose as possible.

    I've looked into 5.1 but I'm not convinced it is a worthwhile investment for road cars and some info I've read suggests it shouldn't be used unless you are changing it very regularly. Happy to be proved otherwise and I can second the ease that the Gunson EaziBleed kit works having seen it used on my car

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    In my research, Dot 5.1 is more for high performance cars, Race cars etc due to having a high boiling point (Heavy Braking etc).

    Also favoured by the Boy Racers.

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    Dot 5.1 also needs to be replaced more often as it absorbs water quicker
    The truth is always the truth even if you haven't realised it yet...

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    Quote Originally Posted by lee gsi View Post
    Dot 5.1 also needs to be replaced more often as it absorbs water quicker
    Which is what I thought but I can't find the website again that mentioned this

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    Its because its silicon based which will also give you a more spongy feel to the peddle.
    The truth is always the truth even if you haven't realised it yet...

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