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  1. #1
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    Juddering under heavy braking

    I have noticed bad juddering while braking at around 70 mph. The car seems to shake from the nearside front.

    Any ideas?

    1.8T quattro sport

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  3. #2
    scott b's Avatar
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    first port of call would be brake discs

  4. #3
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    Agreed, warped discs by the sound of it.

    Or potentially wheels out of balance, although you'd probably have noticed that anyway.
    Ingolstance Read about my A6 HERE.

  5. #4
    Alan H's Avatar
    Need a V8 or Bi-Turbo.......

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    It may be that your pads are really low too. Low pads can make it feel like warped discs, but that may not be the case......

  6. #5
    666markyboy's Avatar
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    Did you sort this ??? i have the same problem
    1999 A3 Quattro 1.8T Pics >>HERE
    2002 A4 Avant quattro 1.9 TDi

  7. #6
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    Play in control arms can warp discs, so check this also.
    B6 S4 4.2 V8 SILVER SALOON - BEIGE ALCANTARA - BOSE SYMPHONY - DRILLED/GROOVED FRONT DISCS

    FOR SALE: £6750ono

    Previous Cars
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  8. #7
    666markyboy's Avatar
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    begining to think mine might be a balljoint of some type as i had an advisory on it's MOT a couple of months back ..... fitting some spacers may have accentuated the problem ... need to check MOT tonight to find which ones he was on about as i believe there's about 3 on either side ??
    1999 A3 Quattro 1.8T Pics >>HERE
    2002 A4 Avant quattro 1.9 TDi

  9. #8
    AliGod78's Avatar
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    Was gonna say, worn arms? Whats the mileage?

  10. #9
    666markyboy's Avatar
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    110,000 jacked it up tonight and i really cant feel anything but like i said they lower balljoints were an advisory ..... i can also hear the disc's catching in one particular place when i spin the wheels which might sugest they are a bit warped .... i'll change it all out over the next couple of months and keep ya posted
    1999 A3 Quattro 1.8T Pics >>HERE
    2002 A4 Avant quattro 1.9 TDi

  11. #10
    666markyboy's Avatar
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    Fixed today by fitting these and some new pads ...... you should have seen the state of the old disc's i'm quite shocked it passed it MOT.... they looked fine from the front but the backs were nasty







    So turns out i don't need any control arms just yet..... Happy chap
    1999 A3 Quattro 1.8T Pics >>HERE
    2002 A4 Avant quattro 1.9 TDi

  12. #11
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    What docs are those , if you don't mind me asking ??

  13. #12
    666markyboy's Avatar
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    The Disc's ???? they are just a cheapo's off eBay... infact probably cheaper than standards discs from some places and i'm under no illusions that they are just the standard disc's drilled and grooved .... some may poo poo this but i don't drive it hard, it's no track car and the grooves and drilling will help illiminate water build up that tends give me a bad pedal when braking at the end of my motorway journey in the mornings as i can drive a good 30 miles without touching the brake pedal and if it's been raining it can be a bit scary.... here's a link to the supplier Audi A4 1995-2007 inc. TDi & Quattro Drilled & Grooved Sports FRONT Brake Discs | eBay
    1999 A3 Quattro 1.8T Pics >>HERE
    2002 A4 Avant quattro 1.9 TDi

  14. #13
    bez101's Avatar
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    i had them on a gsi once
    never touch them again
    you really do get what you pay for with those

  15. #14
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    Look like mintex?
    Atlas Grey A4 2.5 TDI Quattro Sport.
    Mods so far: Cruise control, DIS, Heated Mirrors, Tuning box, Xenonx, Centre Arm Rest, MFSW, RNS-E, SDS and Aero Wipers.
    To do: None yet.
    Next: Auto dip rearview mirror and Folding Mirrors.

  16. #15
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    Did you not go for the mtec ones?
    B6 S4 4.2 V8 SILVER SALOON - BEIGE ALCANTARA - BOSE SYMPHONY - DRILLED/GROOVED FRONT DISCS

    FOR SALE: £6750ono

    Previous Cars
    .:R32 MKIV 3DR Pearl Black (Awesome car), Lexus RX300, Lexus LS400, Mitsubishi Shogun Sport V6, Audi TT Roadster 225, Range Rover Vogue 4.6 V8, Mazda RX8 231, Peugeot 307 CC 180, Subaru Impreza WRX 2.5, BMW520i, Lexus IS200,Golf GTi MKV, Audi A4 1.9TDi 130

  17. #16
    666markyboy's Avatar
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    well the way i look at it ..... they were cheap and will do for now.....and they cant be any worse than what i took off.... i'll post a pic tomorrow.....they were bad ..... these look like seconds to me ...not ground very well and a few dings and bangs on them that i had to clean up but the seller had 99.5% rep so i'll take the risk....as i said i don't drive it hard
    1999 A3 Quattro 1.8T Pics >>HERE
    2002 A4 Avant quattro 1.9 TDi

  18. #17
    bez101's Avatar
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    Quote Originally Posted by V8Guzzler View Post
    Did you not go for the mtec ones?
    i have mtec on the avant not my choice were fitted already

  19. #18
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    Performing well in my S4, much better than stock and they look damn good to.. They also make a great hummin noise when you brake firmly from high speed..
    B6 S4 4.2 V8 SILVER SALOON - BEIGE ALCANTARA - BOSE SYMPHONY - DRILLED/GROOVED FRONT DISCS

    FOR SALE: £6750ono

    Previous Cars
    .:R32 MKIV 3DR Pearl Black (Awesome car), Lexus RX300, Lexus LS400, Mitsubishi Shogun Sport V6, Audi TT Roadster 225, Range Rover Vogue 4.6 V8, Mazda RX8 231, Peugeot 307 CC 180, Subaru Impreza WRX 2.5, BMW520i, Lexus IS200,Golf GTi MKV, Audi A4 1.9TDi 130

 

 

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