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blackrock

Member Since: 01 May 2022
Location: Hampshire
Posts: 57

2012 Defender 110 Puma 2.2 SW Firenze Red

Air suspension and rear shocks

I had VB Air suspension fitted about a year ago, and all is well, or was, until about 4 months ago I heard a rattling at the rear of the vehicle. It drove me mad as I couldn't track it down, until I realised it was coming from outside, not inside. It turned out to be the top of the passenger side rear shock which had come out of its fitting and was tapping on anything it could find. Anyway, this wasn't ideal, so i have removed the shock to avoid damage and it looks like the threaded rod at the top has just been pulled out of it's fixing.
The shocks came with the kit that was supplied to the VB Air dealer that fitted the sir suspension, so they aren't original.

VB Air have been contacted but nothing has come back from them for about two months, so i think I may have to sort this myself.

While I have no definite idea what has gone wrong I suspect that it might be due to the rear wheels dropping suddenly and extending the shock fully, and hammering the top end of the fitting. Driving off a kerb is one example of that sort of thing.

I can't see any bump stop for the 'fully extended' direction, so presumably there isn't one and the shock has to be able to extend far enough that this hammering doesn't happen. Does anyone know of a source of shocks that will extend far enough to avoid this hammering problem, and of course, fit a 110?

23rd Apr 2024 9:15am

Linds Hanson

Member Since: 16 Jan 2021
Location: Cornwall
Posts: 486

You will probably have to use a front damper from someone like Fox with a extended 2" lift but be careful as a longer damper may over extend the airbag. If a robust top bush and washer something like the original thick washers used on OE Defender dampers is used it should prevent the damper pulling out of the bush.

23rd Apr 2024 9:52am

Porny
Site Sponsor

Member Since: 31 Aug 2009
Location: Sutton Coldfield - West Midlands
Posts: 809

Feel free to drop me a PM... I'm an approved VB installer.

I've often used the Fox Pin/Pin set up - but have had issues with the Fox dampers snapping pins (early version).

Ian IRB
The home of the first modified Keswick Green 90 - and the first 2.4 Puma through both the 200bhp and 550Nm barriers.

www.IRBdevelopments.com

www.facebook.com/irbdevelopments

www.integrated316.com

www.facebook.com/integrated316

23rd Apr 2024 10:19am

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