Vehicle & Technical > Discovery

Steering vibration with MT tyres

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Wanderer:
My Technic Amazons were never balanced and had never caused me a problem.

I've got brand new BFG MTs and they've got weights galore.

It's luck of the draw.

td5disco:
Same here with the Techics and BFG MT's. Technics - very easy to balance, BFG lots of weights added, and on one we gave up (stuck on the back) as it was wanting 300g plus  :shock:

Range Rover Blues:
I've found the same with balancing, the remoulds were done by Buxton 4x4 and never gave me a problem, my BFG MT were starting to vibrate and when I had them checked they were all out of balance, trouble is I don't think they had mounted them the same way on the machine :shock:

Firstly, make sure the guy balancing it knows how to deal with 4x4s, many places only know how to charge more but Land Rover alloys should be mounted on a mandrel on the inside of the wheel, not by a collet through the centre!

Secondly, 36psi? are you nuts? 30psi max for the front.  Remoulds more than anything else have a tendancy to go "square" when inflated, over inflation just makes it worse.  As it is you'll feel every knobble in the tread at low speeds.

rollazuki:
Swap front to rear, give it a try, get em rebalanced, give that a try.
If you get em balanced, try to watch them do it, then maybe youll see if the tyre has excessive run-out(ie wobbles when it spins up)

96Disco:
I have remould MTs on my car that have not been balanced and which I inflate to 30psi at the front and 36psi at the rear - I don't have any problems with vibration.  I have found that tyre fitters consistently over-inflate tyres (mine came from the supplier on new rims and were all at 40psi) and this can certainly cause vibration.

All the best,


Phil.

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