Twitchy steering unexpected fix.

CFSD

Member
Cheshire
So...
The car felt twitchy at speed. Having read a few threads I was about to book it in to have the tracking and geometry checked / fixed. But just before doing that it went to my local mechanic to investigate an unrelated (I thought) rattle.

He discovered that the lower rear wishbone bolt was a bit worn... you can see it.
20200116_000334.jpg
The offending bolt was replaced.
... and the twitchy steering was fixed!

This bolt was allowing a really small amount of movement in the wishbone that it would seem was the cause of the twitch at speed.

This might be unique to my car but I thought I would share in case anybody was chasing a twitch 'ghost'.
 
I often wondered if there is a point where all the rubber bushings should be replaced and bolts inspected.
I have seen worn aircraft undercarriage bolts that looked like camshafts.
I replaced my anti roll bar bushes with poly, always thought of during a few more bushes.
https://www.powerflex.co.uk/products/Z4+E89+%282009+-%29+-3238/1.html
In the summer i get a rubber squeak from a front bush going over speed humps.
 
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