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Home > Technical > Suspension Lowering overnight - Now Fixed

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Boost

Member Since: 18 Aug 2011
Location: North Lincolnshire
Posts: 60

2007 Range Rover Sport TDV6 SE Zermatt Silver

Suspension Lowering overnight - Now Fixed

As the title says, for a few months now whilst parked overnight the suspension would lower itself to the access height, It would always go back to normal after starting.

After reading up on here and a couple of other landrover forums I did a bit of fault finding....

The front end always lowered first (overnight) followed by the rear if left long enough, I thought one of the front airbags was duff. I confim this it was left at normal height overnight with battery disconnected, if an airbag was leaking one corner should have dropped. In the morning the front was lowered and rear was OK. This lead me to the front air suspension valve. Got a price for one, £68 + vat, but thought I'd check it out first, we used to strip solenods down at work when we had no spares and more often than not get them working again with just a good clean.

Had to wait for Santa to bring new trolley jack as the old one was a little the worse for wear now

So yesterday I got busy, pulled the wheel arch liner back after removing a few screws & clips to find the valve;-

Click image to enlarge

Squirted it with soapy water to check for any leaks

Click image to enlarge

All Ok so removed valve to strip, mounted on rubbers in kidney slots, just undo pipes, electrics & push up to remove, undid four torx screws in valve to split body & get to inners

Click image to enlarge

As you can see all the valve seats have some residue in, but the centre one loads more

Click image to enlarge

The plunger end was covered too

Click image to enlarge

This was all cleaned out with some solvent spray & dried with airline

Click image to enlarge

The plungers were cleaned up

Click image to enlarge

Then it was all reassembled & fitted back on.

Started to pump up then left over night with the battery on.

Checked just now and still all ok at normal height

That's the cheapest fix so far. I intend to replace the filter & drier later on just for a bit of preventative maint :thumbsup:

Admin note: this post has had its images recovered from a money grabbing photo hosting site and reinstated

Fri Dec 28 2012 12:45pm

Bradders

Member Since: 08 Oct 2009
Location: Leeds
Posts: 2515

Great job - well done ! FF 4.4 V8 Soooo looking forward to this bad boy
Ex 2006 RRS SC - garbage
Ex 2016 135i M Sport - dream car
Ex 2003 RS6 Avant - piece of cr*p
Ex 2014 320d X Drive, M Sport Touring - ok I guess
Ex 2007 RRS TDV8 - bloody loved it
EX 2007 FL2 XS - not so bad

Fri Dec 28 2012 1:02pm

kav1187

Member Since: 04 Apr 2012
Location: SX
Posts: 307

2006 Range Rover Sport TDV6 HSE Bonatti Grey

Great write up - thanks for sharing. I have added it to the definitive 'how to' thread

Fri Dec 28 2012 1:54pm

panda

Member Since: 17 Jan 2010
Location: london
Posts: 702

2007 Range Rover Sport TDV6 HSE Zermatt Silver

Great post

Supporting the London Air Ambulance with my Brothers

Fri Dec 28 2012 2:26pm

MBaker

Member Since: 16 Nov 2013
Location: Staffordshire
Posts: 24

Great write up.

I take it you need to do a full deflate onto the bump stops before removing this?

Mike.

Mon Jun 22 2015 3:02pm

ABSport

Member Since: 14 Aug 2014
Location: Plymouth
Posts: 698

2011 Range Rover Sport 3.0 TDV6 Autobiography Santorini Black

Excellent write up.

Mon Jun 22 2015 3:13pm

Frax

Member Since: 07 May 2015
Location: Aberdeenshire
Posts: 241

2012 Range Rover Sport SDV6 Autobiography Santorini Black

Great result and write up - like when people do their own work.

Mon Jun 22 2015 6:48pm

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