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kmac

Member Since: 07 Oct 2009
Location: Middlesex
Posts: 1294

2009 Defender 110 Puma 2.4 USW Santorini Black

Rear shocks turning

Having an MOT done and tester says the rear shocks can be twisted if turned by hand. Advised to tighten the nut at the bottom of each and if that doesn’t work to change the bushes at the bottom. This is with the car raised.

Is this a thing? Or are they meant to be tight so they cannot be turned?

10th Sep 2021 8:39am

Bluest

Member Since: 23 Apr 2016
Location: Lancashire
Posts: 3996

2007 Defender 110 Puma 2.4 XS CSW Java Black

As long as there's no play in the bottom bushes I don't see why being able to rotate the shock body is a problem. Maybe he is suggesting it is getting loose in the bottom bushes and to think about changing them. 2007 110 TDCi Station Wagon XS

10th Sep 2021 8:43am

kmac

Member Since: 07 Oct 2009
Location: Middlesex
Posts: 1294

Yeah there is no play. Will see if he fails it for that. He is writing it up now.

10th Sep 2021 8:53am

kmac

Member Since: 07 Oct 2009
Location: Middlesex
Posts: 1294

Ok passed MOT but included an advisory that "bushes slightly worn but not resulting in excessive movement"

Going to change the bushes before they get worse

10th Sep 2021 11:18am

kmac

Member Since: 07 Oct 2009
Location: Middlesex
Posts: 1294

What is better - poly bushes or rubber?

Any recommended manufacturer for poly?

10th Sep 2021 11:20am

Dinnu

Member Since: 24 Dec 2019
Location: Lija
Posts: 3188

2012 Defender 90 Puma 2.2 CSW Santorini Black

Re: Rear shocks turning

kmac wrote:
Advised to tighten the nut at the bottom of each and if that doesn’t work to change the bushes at the bottom. This is with the car raised.

The lower nut/washer is tightened against a step. I use rubber, very cheap, very easy to replace. Opportunity to look under the truck. 1988 90 Hard Top, 19J Diesel Turbo, Shire Blue - Restoration ongoing
2012 90 CSW, 2.2TDCI, Santorini Black

10th Sep 2021 11:49am

landy andy

Member Since: 15 Feb 2009
Location: Ware, Herts
Posts: 5416

2006 Defender 110 Td5 USW Zermatt Silver

Do not over tighten the bottom pins/nuts. You will either get though bottom bushes, or snap off the pin when using the articulation.

11th Sep 2021 6:37am

kmac

Member Since: 07 Oct 2009
Location: Middlesex
Posts: 1294

Thanks for the tip LandayAndy - was just going to replace with rubber bushes and tighten to torque in Service Manual

Dinnu - what do you mean by tightened against a step?

11th Sep 2021 11:28am

Horneteer

Member Since: 10 Feb 2015
Location: Cornwall
Posts: 60

Hi,

The pins on a shock are 2 different diameters, a plain part and a slightly smaller threaded part.
The inner washer, bushes and centre washers slide over the plain part, and the outer washer and nut tighten up against the step and stop the bushes from being over compressed.
As per the image below.

Hope that helps, Paul

12th Sep 2021 2:47pm

landy andy

Member Since: 15 Feb 2009
Location: Ware, Herts
Posts: 5416

I personally disagree with the above comment and would say the threaded part allows adjustment depending on what you are fitting it too. Even in defenders they have different setups with some axles having bush retaining cups on and some not. You want just enough pressure on the bushes that there is no slack/play. Gwyn Lewis (suspension guru) talked me through this.

But I’m sure we all have different methods.

12th Sep 2021 3:50pm

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