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Brake Issues on B6 2.5Tdi Avant Sport

tonypill Dec 1, 2009

  1. tonypill

    tonypill New Member

    Hi Guys
    I was wondering if anyone can shed some light on a problem that I have started having? When I pre-heat the engine prior to starting the Brake warning light comes on in the DIS (sometimes!). Symbol is red, so I am guessing not the bulbs. I have recently changed all the pads (6 months ago), so probably its not pads. As soon as the engine starts, all is well. I have not noticed any problems with the brakes at all. I was wondering whether I have an over sensitive vacuum sensor in the servo line?
  2. Mike B

    Mike B Well-Known Member

    This comes up regularally .seems to abattery problem connected to the wire running on or close to the sensor under the reservoir .I have the same model and found that fully charging the battery and moving the wire away as far as possible from the sensor and putting some foam between has almost cured it.The wire has a clip to the bulkhead which can be removed to give some slack which helps. suggestions are that a spike is caused when the starter takes several turns from cold and this triggers thesensor> not pads or faulty sensors Ichanged both first.hope this helps.

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