W203 Steering shake when High Speed Breaking

CrazeUK

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Hey all.
I finally managed to sort out my ESP problem, man am i happy!!!

Now my next issue..
I get quite a lot of wobble on the steering wheel when i break at high speeds (any where from 40+).

It feels like its coming from the passenger side front wheel.

Any ideas?
 

television

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It will be a warped disc if thumping through the pedal and the steering:D
 

mr mercedes knowledge

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could clamp flexi hose and go for a drive to see if sorts problem out and eliminate each wheel
 
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CrazeUK

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Yeah its quite bad, but it doesnt happen at all on low speeds.
How would i warp my discs?
 

television

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They are cast iron, and the molecules in cast iron are always moving, one very hard stop can cause them to warp or go out of true.

I had this problem on my V70R after a very hard stop, it was not there all the time and could come and go, once again the heat from a hard stop would either right it or make it worse
 

Uncle Benz

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could clamp flexi hose and go for a drive to see if sorts problem out and eliminate each wheel

Whilst this method does work, and we use it in the trade occasionally, I would not recommend that an owner takes to the road in their car with one flexy brake line clamped. The braking characteristics of the car will be greatly changed and a potentially dangerous situation could occur if you happened to require an emergency stop.
 
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CrazeUK

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Whilst this method does work, and we use it in the trade occasionally, I would not recommend that an owner takes to the road in their car with one flexy brake line clamped. The braking characteristics of the car will be greatly changed and a potentially dangerous situation could occur if you happened to require an emergency stop.

Lol, i understand the objective, but also saw the potential hazard or the car dragging to one side or the ESP playing funny tricks.

D:
 

cleverdicky

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Could just as easily be, (more likely than a warped disc) worn ball joint, track rod end or bushes.
 

WG M-B

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The front control arm, front bush also causes this issue on a 203 when it perishes.
 
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CrazeUK

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well i had the tires changed. tracking done. also apparently i had broken my passenger side suspension arm

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