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Home > Maintenance & Mods (L322) > Range Rover L322 - Stuck in Extended or Off Road Height
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Gazellio @ Prestige Cars



Member Since: 22 Jan 2010
Location: Chilterns, UK
Posts: 11309
United Kingdom 2010 Range Rover SE Td6 Zermatt Silver
Range Rover L322 - Stuck in Extended or Off Road Height

I just thought I would share a small problem I had with my Range yesterday. It may be one for the WIKI.

With everything working fine and crawling along the M25 I suddenly got a bong and a Suspension Fault. Lights on centre console out and the warning not to exceed 30 mph.

On getting home I tested the suspension and found that it would not adjust but just kept bouncing up to the fully extended (super extended) height with the message: Please reset when object has been removed etc - it thought I was stuck on a rock or similar!

Using Hawkeye I was able to reset the suspension and clear faults but the same issue re-occured immediatly.

The fault explained that the System could not vent and thus was stuck in the highest setting with no way of going down.

With a bit of searching I founds that the Compressor has a brass coloured cone shaped exhaust muffler/filter (sintered brass filter) near the top at the front of the car end of the compressor (Take the black metal cover off with four bolts after removing spare tyre). Apparently this is gets blocked over time as it is a hard sponge type filter.

My dirty cone filter clogged with desiccant:



The fix is to remove this filter using a 13mm spanner (Its shaped into a nut head at the top) get back in the car and start up and then select normal suspension setting. The system will let out a gasp as the compressed air is released and the car will drop to normal. The code can now be cleared and all will be well.

The car can be used without the filter (bit noisier) but this is probably not sensible in the long term. Ideally a replacement needs to be sourced but I think these are only available as part of a service kit.

Another option is to drill a tiny hole through the cone filter through the middle to allow air to escape but very little chance of anything nasty getting in. The Cone filter can then be refitted and all is good.

Tiny hole drilled through from thread end of cone:



I believe there is a service kit with a new filter cone (sintered brass filter), but I strongly recommend also replacing the dryer at the same time, as its desiccant is what causes the muffler to clog in the first place. Thumbs Up

I think these "9mm Thread Sintered Brass Pneumatic Filter Noise Silencer Muffler" will fit: http://www.sourcingmap.com/pcs-9mm-thread-...tAodnDIAsw

http://www.amazon.co.uk/Thread-Sintered-Pn...B008ASX7P4

Last edited by Gazellio @ Prestige Cars on 16th Jan 2014 12:03pm. Edited 9 times in total
Post #235223 16th Jan 2014 9:24am
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RRUK
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Member Since: 08 Jun 2007
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United Kingdom 2019 Range Rover Vogue SE SDV8 Santorini Black

Great little fix that Gaz, and easy enough for anyone to do.

Let's Wiki this Stan. Thumbs Up Discovery 4 HSE
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Post #235225 16th Jan 2014 9:30am
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Gazellio @ Prestige Cars



Member Since: 22 Jan 2010
Location: Chilterns, UK
Posts: 11309
United Kingdom 2010 Range Rover SE Td6 Zermatt Silver

Yes Adam really is a 15 minute fix that a Dealer would probably charge hours for (as they probably would not know what to do) and end up replacing all the height sensors first Laughing
Post #235226 16th Jan 2014 9:32am
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stan
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its a known fault,

http://www.fullfatrr.com/forum/topic5724.h...air+filter

Click image to enlarge

Post #235234 16th Jan 2014 9:58am
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Gazellio @ Prestige Cars



Member Since: 22 Jan 2010
Location: Chilterns, UK
Posts: 11309
United Kingdom 2010 Range Rover SE Td6 Zermatt Silver

Yes Stan but that post is not exactly a WIKI fix is it.... Confused
Post #235238 16th Jan 2014 10:05am
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nicedayforit



Member Since: 11 Jun 2011
Location: Beside the Solway
Posts: 3979
England 2004 Range Rover Vogue Td6 Giverny Green

Just need to know the thread size and one of these should work ok.

http://www.ebay.co.uk/sch/items/?_nkw=sint...4049132526
Post #235240 16th Jan 2014 10:17am
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Gazellio @ Prestige Cars



Member Since: 22 Jan 2010
Location: Chilterns, UK
Posts: 11309
United Kingdom 2010 Range Rover SE Td6 Zermatt Silver

Yes I think the thread is 9mm I added this to the thread a little while back:

Quote:
I think these "9mm Thread Sintered Brass Pneumatic Filter Noise Silencer Muffler" will fit:

http://www.sourcingmap.com/pcs-9mm-thread-...tAodnDIAsw

http://www.amazon.co.uk/Thread-Sintered-Pn...B008ASX7P4


I have ordered from Amazon...
Post #235242 16th Jan 2014 10:24am
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nicedayforit



Member Since: 11 Jun 2011
Location: Beside the Solway
Posts: 3979
England 2004 Range Rover Vogue Td6 Giverny Green

Never noticed your Edit Thumbs Up
I've also ordered some as definitely worth changing as a service item.
Post #235244 16th Jan 2014 10:34am
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Gazellio @ Prestige Cars



Member Since: 22 Jan 2010
Location: Chilterns, UK
Posts: 11309
United Kingdom 2010 Range Rover SE Td6 Zermatt Silver

Yes my thoughts exactly even though the drilled one is working perfectly!
Post #235247 16th Jan 2014 10:49am
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TugRR



Member Since: 11 Jan 2011
Location: Bakewell
Posts: 1200
United Kingdom 

Perhaps worth mentioning the model year / pump type, Gary - I understand there was a change at 06 MY ?
Good info !

Thumbs Up Where do you go after one of these . . . ?
Post #235257 16th Jan 2014 12:00pm
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Gazellio @ Prestige Cars



Member Since: 22 Jan 2010
Location: Chilterns, UK
Posts: 11309
United Kingdom 2010 Range Rover SE Td6 Zermatt Silver

Sorry yes this was 200MY Vogue SE Supercharged - I will add to post above Thumbs Up
Post #235259 16th Jan 2014 12:02pm
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jak480



Member Since: 06 Dec 2013
Location: Degernes
Posts: 44
Norway 2003 Range Rover Vogue Td6 Zambezi Silver

Hi
Just a tip you can buy these filters at any respectable pneumatic shop ( where they sell compressors,pneumatic valves,...) as they are very common used in pneumatic equipments
You can also clean them in petrol or with brake cleaner and then use a compressor to blow them dry.
Just a tip.
Post #235272 16th Jan 2014 1:09pm
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Gazellio @ Prestige Cars



Member Since: 22 Jan 2010
Location: Chilterns, UK
Posts: 11309
United Kingdom 2010 Range Rover SE Td6 Zermatt Silver

^ Thumbs Up
Post #235280 16th Jan 2014 1:30pm
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TugRR



Member Since: 11 Jan 2011
Location: Bakewell
Posts: 1200
United Kingdom 

. . . I'm going to check mine now you've mentioned it, Gary.
It looks like another item that should be on the service schedule . . . Rolling Eyes

Thumbs Up Where do you go after one of these . . . ?
Post #235290 16th Jan 2014 2:32pm
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jak480



Member Since: 06 Dec 2013
Location: Degernes
Posts: 44
Norway 2003 Range Rover Vogue Td6 Zambezi Silver

Something to think about Question As there is normally only "clean" air coming out of the system where is the dirt that bloks the filter coming from??
Could it be a indication for something else that is about to fail in the circuit ?
Or is it simply dirty air that is being sukt in ?
Just a thought.
Shocked Shocked Wink
Post #235296 16th Jan 2014 2:51pm
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