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Thread: signum front brake upgrade

  1. #1
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    Vehicle : Signum


    Engine : 2.0t

    Year : 2005

    Mileage : 117000

    Default signum front brake upgrade

    Hi, my current signum 2.0t 55reg one front disk was deformated and was kicking when braking. Have another signum 3.2 v6 03reg which has larger calipers and disks. I sawp them, bleeded, but seems that there is still air in system or something, after hour of bleeding it's still braking very bad, and when i keep my foot on pedal it is going down slowly. i checked bleeding valves and hose bolts, all the time topped up reservoir while bleeding. still bad. when starting engine at first pedal goes down very easy. On old signum brakes was very good. Can it be different master cylinder for 3.2 v6? my 55reg is new shape one.

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    Possibly air in ABS pump... If that's the case you'll need Tech2 to open the valves while you bleed.

    You have got the calipers on the right way round haven't you? Sorry if it's a stupid question, just heard of too many people getting them swapped left to right and having problems!

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    Vehicle : Signum


    Engine : 2.0t

    Year : 2005

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    actually these was taken already and i didn't find R or L on them as on rear ones. the only thing is just bleeding valve a bit lower wen sawping sides, or not?

  4. #4
    Regular Member signumboy's Avatar
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    Vehicle : Signum

    Trim : Design

    Engine : 2.0 Ltr Turbo

    Year : 2004

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    Bleed nipple should face upwards I believe

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    Quote Originally Posted by signumboy View Post
    Bleed nipple should face upwards I believe
    Not just "I believe" - the valve HAS to be at the top, otherwise air remains in the caliper even after bleeding. If the bleed valve is too low down then you've put the calipers on upside down, because they're on the wrong side of the car.

  6. #6
    Regular Member Chunklamb's Avatar
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    Vehicle : 330D (13) Tourer 258 Auto & Signum 1.9 CDTI (07) 150 Auto

    Trim : M Sport and Design

    Engine : Z19DTH

    Year : 2007

    Mileage : 38100

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    Quote Originally Posted by Rebellion View Post
    Not just "I believe" - the valve HAS to be at the top, otherwise air remains in the caliper even after bleeding. If the bleed valve is too low down then you've put the calipers on upside down, because they're on the wrong side of the car.
    I made the same mistake when upgrading mine... they fit both way round so can be easily done, especially when you arent paying them the correct attention. LOL.

    Anyone in your area able to give you a hand?

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    Swapped them, all fine now. thanks guys

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