Favour for a friend - Juddering/shaking under braking

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Favour for a friend - Juddering/shaking under braking
#1
Evening all, quick question for you.

My friend asked me to diagnose a problem with her car, it judders and shakes under braking. Only really happens under light braking/low speeds, tracking and wheel balancing are fine, any ideas? I thought maybe a warped brake disk, other than that I could only think maybe a fcuked bush somewhere but how's best to check?

Cheers guys.
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Diablo Meridian HDi - 125bhp - 73.0MPG - Halfords Wheels
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#2
One of them favours eh? Lol


If its a bush, check for play around the wishbones, TRE as is could be steering rack if thupland play, or like you say could be a warped disc. Rotate it and see if It hits the pads at any point.
Just a pointer, my caliper is f*cked at the moment, and is loose to the points can wobble it with one finger. That causes juddering under breaking....


And yes I need to address that, I know...
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Member of the 99% warning or you're nothing club


2000 Moonstone 1.8 Meridian - Sold
2000 China 3dr XS - Dead
1998 Diablo 3dr XSI
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#3
Bad discs and pads....probably front as the rears do sod all!
Team Eaton


1999 China Blue 306 GTi6 - Eaton Supercharged - 214.5bhp 181lbft
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#4
Rears are drums anyway, so shan't be that. Is the play the usual grab the wheel at 12 and 6 and give it a shake?
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Diablo Meridian HDi - 125bhp - 73.0MPG - Halfords Wheels
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#5
Kezzieboy Wrote:Rears are drums anyway, so shan't be that. Is the play the usual grab the wheel at 12 and 6 and give it a shake?

Yeah. Also do it at 3 and 9.
Team Eaton


1999 China Blue 306 GTi6 - Eaton Supercharged - 214.5bhp 181lbft
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#6
And 13.37 and 16.45 Wink

Just out of curiosity, what car is it?
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Member of the 99% warning or you're nothing club


2000 Moonstone 1.8 Meridian - Sold
2000 China 3dr XS - Dead
1998 Diablo 3dr XSI
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#7
Mk4 fiesta, so many rust repairs it's hilarious, I was petrified to even jack the thing up lol
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Diablo Meridian HDi - 125bhp - 73.0MPG - Halfords Wheels
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#8
Typical fiesta... :grin:
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#9
It's most likely a warped disc tbh. Turn the wheel jacked up and you'll probably hear the disc scuffing the pad if its out of shape.
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#10
Could also try hard breaking when not holding the steering wheel, see if it moves or pulls to one side etc..
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