D2 SLS Airbag replacement completed

**simonl8353** · 26th May 2008, 02:22 PM

Originally Posted by FenianEel

Have a similar scenario.

Rear Drivers side was going right down occassionally.
Now it seems to be doing it everytime the engine is turned off.
As soon as the vehicle is on and engine running again, it will rise up straight away with no issues though.

Is this likely to be just a leak/seal/connection issue somwhere, or something more serious?

Sound like the bag to me, the problem could get worse as the compressor will be working it nuts off to try and keep it up. The compressor only works when the engine is running which is why it pumps back up when you start the car. The compressor is on the chassis under the car about where the front passenger seat is. To hear it working you need all the doors shut, wind down the drivers window, lean in and press the Off Road button on the dash, then nip round and have a listen, put your hand on the plastic casing, you should also feel it working.

As Pedro said, check for bubbles with thick soapy water at on the bags and connectors with the car in Off Road Mode (I think the term "Extended Mode" according to the book is for when the vehicle detects a grounded chassis then automatically pumps up the rear). It's not that easy even then to spray everywhere but pay attention to the fold in the airbag, these can "self heal" for a while as the fold in the bag sometimes seals the leak.

A Leaking vent valve at the compressor is also a cause, but less common.

All the best.

**Pedro_The_Swift** · 26th May 2008, 02:32 PM

funnily enough Simon,, mine often cycled after I'd exited the car

not sure if it was locked or not though,,,

did a quick search last night on compressors from the UK and USA and came up blank,,,,,

**FenianEel** · 26th May 2008, 03:01 PM

Just checked it and no visible tear or split, but bubbles galore on one section.

Now to check out Arnotts, Bagman etc..looks like the import path is the cheapest as many have said.

Cheers for the assistance folks.

**Pedro_The_Swift** · 26th May 2008, 03:04 PM

Its half as much from Arnotts

**simonl8353** · 26th May 2008, 03:08 PM

Originally Posted by Pedro_The_Swift

funnily enough Simon,, mine often cycled after I'd exited the car

not sure if it was locked or not though,,,

did a quick search last night on compressors from the UK and USA and came up blank,,,,,

Ok how about a seperate forum for Discovery SLS

Got some time and 'cos I've done nothin' but look for this stuff for the last 3 weeks here's a few to go on with.

Key is to do a search by part number RQG100041 , believe me they're out there....just waiting for us to find them new homes.. like those happy voices in my head

As a guide, for compressors allow US$100 or GBP50 for freight and airbags US$40 or GBP25 from respective country

2nd hand one worth considering (US)
eBay Motors: 99-02 Land Rover Discovery SLS suspension compressor (item 200226462470 end time May-30-08 18:39:39 PDT)

New from Britcar (UK) GBP270
Britcar (UK) Ltd > RQG100041 COMPRESSOR AIR SUSPENSION DIS11 (G)

New from GCE 4x4 GBP220
RQG100041 DISCOVERY II AIR SUSPENSION COMPRESSOR [RQG100041] - £220.00 : GCE 4x4, Land Rover Accessories and Parts

Used Compressor unit from Roverland Parts (US)
1999-2004 Discovery Air Suspension Compressor

New Compressor from British Atlantic (US)
COMPRESSOR ASSY AIR SUSP DISCO II for Discovery Series II, Steering & Suspension Parts

and , wait there'e more......

Arnott Airbags (US)
New Discovery Rear Air Spring Assembly. for 1998-2004 Discovery II Series

Britpart Airbags (UK)
RKB101200 Rear Air Spring - with self levelling supsension (WEB EXCLUSIVE SPECIAL OFFER)

Should keep you going for a while, but do a search by part number. Even evil bay has them new from time to time.

**FenianEel** · 26th May 2008, 03:10 PM

Originally Posted by Pedro_The_Swift

Its half as much from Arnotts

That's crazy! I just looked at their site $134 AUD each. Awesome

**FenianEel** · 26th May 2008, 03:12 PM

Oh yeah, go the AUD....96c and counting

**Pedro_The_Swift** · 27th May 2008, 07:56 AM

is this one of those "Doh!" moments?

Both Fen and Simon had single sided "let downs"
but mine was down on both,,
ASSUMING I dont have two bags leaking it has to be inside the compressor?
so not only is the compressor not working,, its also the cause of the leak?

Double Whammy!

**FenianEel** · 2nd July 2008, 11:14 AM

Well just tyre slimed the rear RHS and it's staying up and doesn't appear to be leaking.

Also ordered 2 airbags from Arnotts (Florida). $310 AUD delivered - that's amazing, they are really good to deal with too.

Just a quick thanks in no particular order....to blknight, Pedro, Cal415, simonl8353 and many others.
The information and willingness to help others on this forum is incredible. I've gained so much more technical knowledge and saved literally thousands over the last few years, it's great.
Thanks folks.

**FenianEel** · 14th July 2008, 06:54 AM

Well I fitted the two airbags, but it went down o'night on the RHS.

Pretty sure the valve/brass ring thing that's missing is the cause and allowing air out.
Does anyone have a spare?
The one I took off was knackered and the new one cracked, so I fitted the airline with the new thread, but not the little brass valve/ring thingy on the end of the line, that goes into the bag first.
If you have one, can you PM me?

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