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Brake Fluid

Discussion in 'A4/S4 forum(B5 Chassis)' started by A4 Quattro Sport, May 31, 2007.

  1. A4 Quattro Sport
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    A4 Quattro Sport Top Gear

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    [May 31, 2007]
    Hi

    Does anyojne have any idea how much brake fluid the system on my A4 will hold?

    I am planning to change it and upgrade to a higher spec fluid.
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  3. Broken Byzan
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    Broken Byzan Photographic Moderator Staff Member Moderator VCDS Map User

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    [May 31, 2007]
    When i flushed mine through, i ran around 3 litres through her. It was around 800ml per corner. I ran it till i knew it was well flushed and the fluid was 100% clean

    I ended up buying a 5 litre container and having enough left to run through my dads old Audi 80 a bit too
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  4. A4 Quattro Sport
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    A4 Quattro Sport Top Gear

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    [May 31, 2007]
    Thanks.

    My dad wants to do his S3 as well, 5 litres might be just enough!
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  5. enda1
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    enda1 Member

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    [May 31, 2007]
    Did it last month on both cars.
    Volumes are from elsawin

    Audi recommend about 250 cm3 of brake fluid to drain out per caliper in the following sequence. Add 250 cm3 to the first caliper to allow the contents of the master cylinder to changed to make 500 cm3 from the first caliper

    1 - Rear right brake caliper
    2 - Rear left brake caliper
    3 - Front right brake caliper
    4 - Front left brake caliper

    On vehicles with manual gearbox the clutch slave cylinder should also be "flushed" with new brake fluid. Allow about 100 cm3 of brake fluid to flow out of the clutch slave cylinder.

    1.5 litres in total should do it.

    I'm not sure but if you car has ESP you need to hook it up to the diagnostics to change the fuid in the ESP circuit
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  6. Caesium
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    Caesium My BM is fixed!

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    [May 31, 2007]
    Depends where you look at it from...
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  7. Broken Byzan
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    Broken Byzan Photographic Moderator Staff Member Moderator VCDS Map User

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    [May 31, 2007]
    Maybe i was too worried,lol

    It also worked out cheaper to buy the big tub against a bunch of smaller ones.
    As stated bleed from the furthest caliper from the master cylinder to the closest.

    Good luck
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  8. enda1
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    enda1 Member

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    [May 31, 2007]
    As bryzan said start from the furtherest caliper from the master cylinder.
    1 - Rear right brake caliper
    2 - Rear left brake caliper
    3 - Front right brake caliper
    4 - Front left brake caliper
    This is as seen from the front of the car looking into the engine bay.
    I assumed you'd get my drift and as they say "assumption is the mother of all f*@k ups"
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