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General => The garage => Topic started by: ryegault on 23 June 2011, 17:29

Title: judder under braking
Post by: ryegault on 23 June 2011, 17:29

my car has recently started to judder under medium braking, felt through the steering.
also sometimes under harsh acceleration.
i gave it a jack up at the front and checked for play, with one hand at the top and one at the bottom of the tyre, there is a slight amount of play (not sure if this is normal or not) any ideas?

also a different problem not related to this,

when cruising around theres a bit of a knock when going over small bumps in the road.


thanks

Title: Re: judder under braking
Post by: AudiA8Quattro on 23 June 2011, 17:30

Where is the play? there should be any.

Title: Re: judder under braking
Post by: ryegault on 23 June 2011, 17:43

when the front wheel is off the ground, you move the top in and the bottom out, and vice versa.

Title: Re: judder under braking
Post by: AudiA8Quattro on 23 June 2011, 17:44

Yes, what i meant was where is the movement, is it is the wheel itself, or is the suspension moving?

Title: Re: judder under braking
Post by: ryegault on 23 June 2011, 17:48

ah ok, its as if the coilover is flexing

Title: Re: judder under braking
Post by: AudiA8Quattro on 23 June 2011, 17:51

Top mounts worn?

Title: Re: judder under braking
Post by: ryegault on 23 June 2011, 18:04

would that cause the heavy judder?

Title: Re: judder under braking
Post by: AudiA8Quattro on 23 June 2011, 19:05

Any significant suspension wear could cause it yes.