Member Since: 03 Aug 2014
Location: Brisbane
Posts: 43
How do you check suspension bushes?
Hi All
I've had my Disco 3 now for 80,000km and it has just ticked over 200k. Not sure what the previous owner had done suspension wise, though it all looked rather clean when I got it.
There is no general noise form the suspension, but over short sharp speed bumps at low speed and when just taking off up hill there is a small noise. Recently I've noticed a shimmy under brakes (but no pulsing through the pedal). Only does the shimmy some times and I think I've pinned it down to only happen when the steering is off centre. This happened both before and after new tyres.
With all 4 wheels on the ground there is no movement of the tie rods. I can push and pull on them side to side and front to back with no movement. I raised the rear (one side) and the control arms appear to be centred in their mounts (not drooping on collapsed bushes). I then raised the wheel with another jack and watched each bush and they stay centred and rotate freely. No vertical or lateral movement that I can see. A big screw driver sees no movement either. Did the same with the front and get similar results.
The only thing I do see is some very small play of the ARB bush, but I have the spacers to fit to see if that helps.
Am I missing something? Anyone have a good guide for inspecting the bushes?
Cheers
Scott
3rd Dec 2016 7:16 am
Madrilleno
Member Since: 13 Oct 2014
Location: Nottingham
Posts: 1782
Shimmy could be warped discs.There are two rules for success,
1. Never tell everything you know.
D4 gone!
D5
3rd Dec 2016 7:48 am
M3DPO
Member Since: 22 Sep 2010
Location: Notts.
Posts: 8221
Travel at 5-10mph and dab the brakes, if the bushes are worn you will hear a bump and one or more needs replacing It can when others can't,
It will when others won't,
It goes where others don't.
3rd Dec 2016 8:05 am
MarkOne
Member Since: 23 Jul 2011
Location: County Antrim
Posts: 3345
I had a wheel bearing knock from low speed fierce speed bumps, there was only a bit of play in it and no noise while driving.
3rd Dec 2016 8:09 am
M3DPO
Member Since: 22 Sep 2010
Location: Notts.
Posts: 8221
Travel at 5-10mph and dab the brakes, if the bushes are worn you will hear a bump and one or more needs replacing It can when others can't,
It will when others won't,
It goes where others don't.
3rd Dec 2016 8:11 am
Sc0tt
Member Since: 03 Aug 2014
Location: Brisbane
Posts: 43
Madrilleno wrote:
Shimmy could be warped discs.
That was my first thought. But I don't feel anything through the pedal and it is not there all the time. If the brakes were warped, the pulsing would always be there.
Cheers
Scott
3rd Dec 2016 8:56 am
Sc0tt
Member Since: 03 Aug 2014
Location: Brisbane
Posts: 43
Well. Did some more research and thought maybe wheel bearing. Raised vehicle then jacked the wheel up by the lower control arm. I then tried moving the wheel Top to bottom and left to right. I have movement left to right, so that brings the tie rods back into question.
So, should I just do the outer on both sides or do the inner and outer?
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