ABS warning light

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  • Sidspud
    S2Forum Extremist
    • Jul 2003
    • 1223
    • Home: Scotland Current: United Nations

    #1

    ABS warning light

    Why would my ABS warning light come on whenever I go over 90mph? It never lights up below that speed, but once on, it'll stay on until I turn the engine off.
    The brakes seem to work as normal, although I've not tested the ABS bit.

    It's a 93 ABY Avant with bog standard brakes.
    ex '93 Avant owner
  • Mikes2
    S2Forum Extremist
    • Jul 2003
    • 1704
    • Country: Scotland

    #2
    There's a fault - possibly with a wheel sensor.

    Next time the light comes on, have a look at the rear diff light next to the handbrake. If that is on, the rear diff is managing to engage. Possibly caused by a leak. As the speed increases, the inrush of air is sufficient to flip the diff actuator.
    Mike

    http://www.s2-audi.co.uk

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    • vprelovac
      S2Forum Fanatic
      • Mar 2006
      • 70
      • Country: Yugoslavia

      #3
      I came upon this thread whle doing a serach.. I have the same problem, diff managing to engage at high speeds thus turning on the ABS light. What should I do to fix this problem?
      Audi S2 Coupe mods: grinning driver

      Comment

      • Markarina
        S2Forum Maniac
        • Mar 2006
        • 511
        • Home: United Kingdom Current: Switzerland

        #4
        had similar problem before and it was down to a dodgy switch rather than anything else

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