Post
by Trouble at t'Mill » Sun Feb 01, 2009 12:44 am
You've Been Bongod, I don't think worn drop links or a-r bushes would cause this anyway.
Bad vibes through the steering wheel tend to be caused by loose wheel bearings, worn steering joints, worn suspension ball joints and, most commonly, imbalanced wheel/tyres.
Everything apart from the last should be picked up during an MOT or similar inspection.
Swapping the front with the rears should be interesting, provided the rears have been balanced as well. Even if they haven't, the 'effect' should be different - stronger/weaker vibes, shaking at a different road speed, etc. which should still give a useful indication if it's the wheels which are to blame.
It has been known for 'faulty' tyres to cause this - poorly moulded or with flaws so that they cause a peculiar type of imbalance. Also if they're damaged in any way - look for odd bulges, etc.