Polyurethane bushes in Shocks is a joke.

Submitted: Friday, Aug 08, 2003 at 09:37
ThreadID: 6442 Views:1810 Replies:2 FollowUps:0
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Rough corrugated roads are torture for shocks as we all know, but what often gets overlooked is these polyurethane bushes in shock absorbers "they kill shocks" they rattle and shake the valves and do not give enough side to side freedom, for example on the rear of a Land Rover the top bush is under a lot of stress sideways and this causes the piston and rod to put more pressure on one side of the seals and bore and eventually lead to leakage.
The solution is to go back to good old rubber based bushes which have a lot more compliance and insulate the shock from unnessasary viabrations and movements.
Polyurethane is great anywhere else dont get me wrong. its just a bit of a wank and actually causes damage in shocks.

The smart suspension companies realised this some years ago, and some just have not learnt their lesson yet.
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Reply By: Kev - (Cairns,QLD) - Friday, Aug 08, 2003 at 17:50

Friday, Aug 08, 2003 at 17:50
So your saying we need some shockies for out shockies !!! lol

What a concept, sounds about right to me though as i have seen some polyurethane bushes flog out and just start rattling untill you get home to replace them.
AnswerID: 27179

Reply By: sean - Saturday, Aug 09, 2003 at 00:32

Saturday, Aug 09, 2003 at 00:32
Can also cuase damage to rest of suspension and make ride harsher.

sean
AnswerID: 27222

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