Home > Technical (L322) > Shaking braking! |
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dan_uk_1984 Member Since: 12 Nov 2008 Location: Bude, Cornwall Posts: 4014 |
I had this with warped discs - I don't think the previous owner had genuine discs and the last pads I put in were non-gen.
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1st Aug 2017 7:54am |
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sako243 Member Since: 26 Dec 2013 Location: Wales Posts: 610 |
Do you get pulsating back through the brake pedal? Warped discs will normally result in that because as the disc isn't true it pushes the pistons in and out as it rotates pushing fluid back into the reservoir and master cylinder - pushing the brake pedal.
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1st Aug 2017 8:47am |
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Blair Member Since: 03 Apr 2017 Location: Suffolk Posts: 72 |
This is what slightly confused me. There seems to be a definite point of brake pressure at which it starts to shake, and this depends on speed. So at low speed you never really get to the "shake-point", but at 100mph+ the shake-point is almost at the top of the pedal.
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1st Aug 2017 9:37am |
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sako243 Member Since: 26 Dec 2013 Location: Wales Posts: 610 |
I've only experienced warped (or extremely rusty) discs in stuff with no fancy braking system so don't have any first hand experience.
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1st Aug 2017 9:46am |
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RRV78 Member Since: 15 Sep 2016 Location: Truro Posts: 203 |
Could it not be down to the fact the tyres aren't balanced properly for the speed your doing.
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1st Aug 2017 11:34am |
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Nioelva Member Since: 06 Feb 2015 Location: Kungsbacka Posts: 47 |
Normally the front brakes go on first when applying low pressure.
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1st Aug 2017 12:45pm |
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nino_nino Member Since: 29 Mar 2015 Location: pocitelj Posts: 690 |
Blair,
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2nd Aug 2017 11:21am |
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northernmonkeyjones Member Since: 24 Mar 2012 Location: derby Posts: 8517 |
Front or back? Check the rears for lots of heat. is one hotter than the other etc, could indicate a sticking caliper at the back, which is quite common and a cheap fix, DIY with a bit of help with bleeding.
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2nd Aug 2017 4:27pm |
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northernmonkeyjones Member Since: 24 Mar 2012 Location: derby Posts: 8517 |
deleted---double post There is nothing that can't be fixed with a hammer😜😜
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2nd Aug 2017 5:06pm |
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RRUK Site Supporter Member Since: 08 Jun 2007 Location: UK Posts: 6369 |
Have your hubs checked, these can go out of 'true' and cause this vibration and you can end up swapping discs loads of times with no positive results. A decent mechanical garage should have the equipment to test the run-out. Discovery 4 HSE
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3rd Aug 2017 8:24am |
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