Jerking sound in the rear while braking

My car will give a jerk (one time jerk) each time it is coming to a standstill. The jerk is coming from the rear portion.
It is also giving a vibration sound in the rear when the speed reaches 140km/h and it will disappear as the speed reaches 150-160km/h.

Asked on 2 October 2012 by malek

Answered by Honest John
Failing bushes in the rear suspension.
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