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Help needed!!!!! Car shaking under braking!!

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Old 10 November 2012, 03:52 PM
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Rbon91
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Default Help needed!!!!! Car shaking under braking!!

Hi I have a 2005 blob sti with 4pot brembos
Just put grooved disks and kavalar pad on it.. All seemed ok until I go over 80... The when I brake the whole car shakes?? Can anyone help please?
Thanks
Ryan
Old 10 November 2012, 04:25 PM
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TonyBurns
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Have you followed the procedure for bedding these in properly?

Tony
Old 10 November 2012, 04:42 PM
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Have you cleaned the hub faces up of rust and dust before fitting the new discs on ?any rust left on them will cause the discs to run out of true and will cause shaking under braking
Old 10 November 2012, 07:15 PM
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Rbon91
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The disks were used but not done many miles... Ok with no shaking below 70mph... Thinking maybe not seated properly... What's the procedure for bedding in? Cheers
Old 10 November 2012, 07:56 PM
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Gavscooby1
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my old escort did that, turns out that on one wheel i only had 1 wheel nut tight and 3 finger tight might be worth a check
Old 10 November 2012, 08:19 PM
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Rbon91
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Yehh tried that... Strange one will ha e a look when get chance
Old 10 November 2012, 08:25 PM
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RICHARD J
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It youv cleaned the hubs properly then the discs are probably warped & need skimming or replacing.

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Old 10 November 2012, 08:57 PM
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Hope not!!! Might send it in to local garage to have proper check over
Old 12 November 2012, 07:46 AM
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Get them to check for run out with a dial gauge. I `ve got the same problem, despite changing the calipers, discs and pads. It could be the hub, bearings or suspension bushes if not run out.
Old 12 November 2012, 09:20 AM
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Yeh got Ro be somthing to do with brakes.. We're all ok until changed disks
Old 18 November 2012, 05:32 PM
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Turns out my new discs had run out, sorted by an on car skim. The hub was shiny clean, but the new discs had to have .02 mm taken off both sides, inner.
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