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EVO x brake shudder

Discussion in 'Evo Chat' started by steeler, Aug 24, 2013.

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  1. Nailedon

    Nailedon New Member

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    Thanks for the info. The advice on braking is varied. Some say to run the pads in gently, others to go hard to clean them. I will do as you suggest: mainly normal braking with a few harder goes thrown in.
     
    #41
  2. Rugslasher

    Rugslasher Active Member

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    Yes they need bedding in gradually as normal but once bedded in they need a good thrashing to keep the discs clean


    Sent from my iPad using Tapatalk
     
    #42
  3. Nailedon

    Nailedon New Member

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    So I bit the bullet and had a set of Performance Friction front discs fitted. Ran them in softly then built up to several 70 to 40 cycles. All good. Maybe a 1000 miles on them now. Then the judder comes back! WTF. I did the rears too. Do I just thrash them now and hope for the best?
     
    #43
  4. tim@gingertim.com

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    I'd give it a good whipping


    Sent from my iPhone using Tapatalk
     
    #44
  5. Nailedon

    Nailedon New Member

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    Worse. I cannot believe that I have fitted 3 dud sets of discs. I swapped the wheels front to rear and fitted new front tyres. Nothing. Maybe the callipers are bad? The car is barely drivable.
     
    #45
  6. Muscles

    Muscles New Member

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    Have any of you bothered to check the front ball joints or bushes?
     
    #46
  7. Nailedon

    Nailedon New Member

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    The car had a full service two months ago. The guy is a specialist so I would expect he checked the ball joints and bushes but now you’ve raised it, I will ask him. No other knocks or shakes to tell me anything else is wearing. I am hoping that the callipers are not shot...
     
    #47
  8. Muscles

    Muscles New Member

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    Does the car drive in a straight line with the steering wheel facing straight ahead?

    Is the steering twitchy for a second under hard accelleration?

    Does the car pull slightly at all to one side when driving?
     
    #48
  9. Nailedon

    Nailedon New Member

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    The car drives straight and doesn’t pull under braking. It is very straight under power. In fact in all respects apart from the front brakes it is spot on. Suggestions I am receiving away from here are overheating due to no engine braking and worn or damaged callipers. Each time the discs have been replaced, the juddering develops after a month or two - maybe after 1000-1500 miles.
     
    #49
  10. Nailedon

    Nailedon New Member

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    A quick update.
    New Girodiscs (again) to the front.
    500 miles on, including 200 under very easy braking then several 70-40 cycles pretty hard.
    Track day today in 28C and no shudder.
    So far, etc.
     
    #50

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