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Thread: Brake Pedal Pulsation

  1. #11
    Join Date
    Jan 2013
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    Central Australia
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    As said above I think from here on in the pulsing will probably improve once it beds in a bit. I had an Isuzu 110 ages ago and had a similar thing happen. By the time I sold it the 'pulsing' hadn't gone away completely but it was a lot better compared to when the brakes were first changed.

    I'm not sure if this is the case with every car but I guess it depends on how much effort goes into refitting

  2. #12
    Join Date
    Aug 2011
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    I had MR Auto replace the rear drums on my County V8 back in March.

    I also had the pedal pulsating.

    Mine has improved a lot and certainly doesn't pulsate every time but once in a while it vibrates so badly the windows rattle.

  3. #13
    JDNSW's Avatar
    JDNSW is offline RoverLord Silver Subscriber
    Join Date
    Jan 1970
    Location
    Central West NSW
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    As indicate, the pulsating will be caused by the working surface of the drum being out of round. As well as the suggestions above, it could be caused by dirt or a machining burr between the face of the hub and the drum.

    It is also possible that the hub is not turning true, due to a wheelbearing installed with dirt or a burr behind it,fitted with retaining compound because it was loose, or which is failing. This could be checked by using a dial gauge or even just a pointer. The old drum would have worn to compensate for the problem.

    John
    John

    JDNSW
    1986 110 County 3.9 diesel
    1970 2a 109 2.25 petrol

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