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I can't bleed my brakes.

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  • I can't bleed my brakes.

    Finally got around to replacing the gearbox and drive shafts and thought i must bleed the brakes too before heading out for a test drive as they where non existent.

    So when i tried to bleed them nothing would happen on the rear right!

    I tried the other corners and they where full of air but you could get fluid flowing.

    I tried with a vacume pressure bleeder and the 2-man method and you can get some brake fluid with the 2-man method but it doesn't push through. Also noticed bubble coming through the master cylinder when you release the pedal.

    I'm assuming master cylinder/booster are stuffed as the car was off the road for a long time.

    Any ideas?
    MK1 GLS 3door
    A4 B7 2.0T

  • #2
    loosen the two bolts that hold the master to the booster and see if fluid spills out/is inside the booster. that will give you an idea if it's getting past the master cylinder. could be a rusted up wheel cylinder on the rear right, can you move the two little pistons on it or are they rusted in place

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