306 front brake warning light
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  1. #1
    Fellow Frogger!
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    Default 306 front brake warning light

    The front brake warning light has begun flashing upon light brake application, not every time but probably about 60%. Flashing speed is directly related to the speed of the car, which seems weird to me. I don't know how it's determined exactly but if it's flashing at a certain point in the wheel's rotation would that not suggest a warped disc? I certainly don't have any vibration and the brakes are working perfectly, nor do I do anything that would warp the discs. ABS is good too. Thoughts?

    If the above behaviour is normal, how urgent is the fitting of new pads once the warning light is coming on? 10km? 1,000km? I plan to do it myself but if it can be delayed a weekend or two that'd be handy. Thanks fellas

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    2000 306 GTi6 'Josie'

  2. #2
    Contented Peugeot Driver addo's Avatar
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    It's well ahead of where you really need to do them. Replace pads at around 2.5mm of remaining material and you will be fine.

  3. #3
    mrc
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    What is a warped disc? I was led to believe there is no such thing.

  4. #4
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    There is but it's unlikely. Too much heat on a stationary disc can do it.

    Cheers Addo, I'll give them a look!
    2000 306 GTi6 'Josie'

  5. #5
    Contented Peugeot Driver addo's Avatar
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    Quote Originally Posted by mrc View Post
    What is a warped disc? I was led to believe there is no such thing.
    A warped disc is another form of a bent unit, but more permanent.
    It can start when a loose unit comes completely unstuck and either gets bent or ends up warped.

    It's usually best when loose units are someone else's problem.

  6. #6
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    Update!

    Finally getting around to this (I don't drive that much). The light is still flashing intermittently, yet to come on stable...but I've just had a peek at the pads to see what callipers I have and the pads are in great nick... see attached photo.

    The discs themselves, however, are about as straight as Julian Clary's idea of a good time. Not warped as far as I can tell, but quite scored and with a fair lip at the edges. Could this be causing the warning light? Brake service is still fine, no squeaks or metal on metal.

    EDIT: front left wheel is the same. Pads are fine, rotor has circular indentations.
    Last edited by TrinityJayOne; 13th May 2016 at 12:05 PM.
    2000 306 GTi6 'Josie'

  7. #7
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    Attachment no good on mobile, uploaded here instead Imgur: The most awesome images on the Internet
    2000 306 GTi6 'Josie'

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