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Thread: Brake problem

  1. #1
    Join Date
    Feb 2007
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    Brake problem

    Hi guys, always one problem after another hehe.

    Now its the brakes. They only work when the pedal is pushed all the way to the floor. It was fixed for a while but came back yesturday about a hrs drive away from home, so i drove home ****ting myself thinking they would stop working or i would have to stop suddenly and would die.

    Ive been told to replace the master cylinder. The fluid was below min but i toped it up with no change.

    Any ideas?

    Anyone have a master cylinder.......?
    MK1 GLS 3door
    A4 B7 2.0T

  2. #2
    Join Date
    Sep 2007
    Location
    Sydney
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    cable? i have a similar thing with my handbrake cable but some how i dont think they're related.

    they're such tough love
    87' MK2 GTI
    13' MK7 TDI

  3. #3
    Join Date
    Jun 2005
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    Boronia VIC
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    Sounds like it's time to book it into a brake shop and get it properly looked at.

    If your brake fluid is down you've got a leak somewhere and you really need to get that sorted out asap.

    Better Brakes in Bayswater have been very helpful to me.


    Pete

  4. #4
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    Aug 2007
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    Wink

    Mate here is a test for you - Clamp all of your Flexi brake hoses and in theory the brake should go hard if the master cylinder is good. If it is hard then you remove 1 by 1 till the pedal goes soft. Best and accurate way to test your brakes mate. Sounds like the master cyl but clamp them all and that will verify for sure.
    Cheers
    Alba European
    Service, Diagnostics and repairs. Mobile Diag available on request
    Audi/VW/Porsche Factory trained tech 25+ yrs exp
    For people who value experience call 0423965341

  5. #5
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    Quote Originally Posted by Jimmymac View Post
    Mate here is a test for you - Clamp all of your Flexi brake hoses and in theory the brake should go hard if the master cylinder is good. If it is hard then you remove 1 by 1 till the pedal goes soft. Best and accurate way to test your brakes mate. Sounds like the master cyl but clamp them all and that will verify for sure.
    Cheers
    Lets say for example, i clap all of them then i remove the rear left, still hard, rear right, still hard, (leave them unclamped) then remove the front left and it goes soft. What do i do then? Do i still test the front right? What does it tell me about the front left?
    MK1 GLS 3door
    A4 B7 2.0T

  6. #6
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    Could be a leaky calliper, that brake fluid is going somewhere.

    Pete

  7. #7
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    yeah mate clamp it back up again and try the right just to verify, then go back to the left again, your flexi pipe may have a bulge in it, which means that the line can be split in the inner sheath, check for a bulge mate, or your caliper is dodgy, if when they are all clamped and hard the master cyl is ok. This is how you pinpoint the correct corner at fault.
    Good luck
    Alba European
    Service, Diagnostics and repairs. Mobile Diag available on request
    Audi/VW/Porsche Factory trained tech 25+ yrs exp
    For people who value experience call 0423965341

  8. #8
    Join Date
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    Jimmy means remove one clamp at a time till you pinpoint the problem replacing them after you try each one.

    Not stealing your thunder mate, just translating from the Scottish
    Camden GTI Performance. VW / AUDI Specialists
    All Mechanical Work, Log book Servicing, New and used Parts and Imports
    19-20/6 Badgally Road, Campbelltown, 2560
    02 4627 3072 or 0423 051737 www.camdengti.com

  9. #9
    Join Date
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    LOL no worries
    Alba European
    Service, Diagnostics and repairs. Mobile Diag available on request
    Audi/VW/Porsche Factory trained tech 25+ yrs exp
    For people who value experience call 0423965341

  10. #10
    Join Date
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    Drove it today and it seemed fine. The brake felt even better then before. Now im just scared that itll stop working.

    Do the brakeing system get damaged when you press the pedal when the car is not running?
    MK1 GLS 3door
    A4 B7 2.0T

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