Member Since: 06 May 2005
Location: Y...... because I can
Posts: 10438
The vehicle needs to 'realise' that its grounded. Not exactly sure what parameters it looks at but I have always presumed this:-
All 4 wheels spinning at various speeds.
Pressure sensors in the suspension give an 'eyup the air bags are not carrying any weight' signal.
So with the above scenario to start the TC will kick in, then throw the 'light weight' info from the pressure sensors into the mix the suspension will raise.
Now here is the trick when grounded, you keep driving as gently as you can but enough to make the wheels spin, not too much that you dig 4 big holes under the tyres.
As soon as you here the 'Bing' (car going into extended mode) stop driving apply the foot brake, at the same time hold the suspension button in the UP position.
The car will now be raising automatically into extended mode (+50mm) and as you have also requested 'Super Extended' (another +50mm) mode so this will lift the vehicle about 100mm. In doing so all 4 wheels/tyres should be supporting the vehicle and in doing so they should now have enough weight to provide grip and this means you should be able to move forward.
Clearly if you are in sand get the shovel out and dig a nice shallow ramp in front of each wheel.In the Beginning there was nothing, which exploded.
20th Jun 2014 8:15 am
Robbie
Member Since: 05 Feb 2006
Location: ¯\_(ツ)_/¯
Posts: 17932
If you are grounding traveling forward and are at a stop then consider reversing onto proven ground.
There is always time to switch from 4 wheel to 2 feet drive for a bit of a recce.
Not all vehicles will have the super extended mode but hopefully most will have had the software upgraded at some point:
Quote:
Additional Lift in Extended Mode
In later software a feature is available to provide additional body clearance when in extended mode. When extended mode has been invoked and the automatic lifting of the vehicle is complete, the driver can request an additional lift of the vehicle. This can be particularly useful when extended mode has to be activated on soft surfaces.
The additional lift can be requested once the raising lamp has extinguished. Press and hold the switch in the up direction for 3 seconds whilst simultaneously depressing the brake pedal. A chime from the instrument cluster will sound to confirm that the request has been accepted. The raising symbol will be illuminated while the vehicle is being lifted.
Land Rover - Turning Drivers into Mechanics Since 1948
Member Since: 21 Feb 2013
Location: Tamworth Staffs
Posts: 277
So today i was changing brake pads and swapping wheels over when I forgot to putit in gear before I jacked it up and it went into super extended mode! Looked great!
At least I know mine will do it now and it wasn't totally beached last year!
Hopefully going back there this year (if my passport arrives in time) but don't plan on trying it again!!
Getting stuck when the tides coming in and not speaking the lingo was interesting to say the least!!
2004 Disco 3 TDV6 SE
1997 300TDI Disco (Rust In Peace)
Swift Accord 590
iCarsoft i930
4th Jul 2014 1:31 pm
Iguana
Member Since: 14 Oct 2013
Location: 'Sunny' Zomerset
Posts: 9402
Thanks to Patrick @ GAP, finally managed to get into "Super Extended Mode" using my IID tool
Click image to enlarge
Click image to enlarge
Quote:
I use the test valves functions regularly for maintenance purposes on our D3, it does fit the bill quite well. It is not permanent and no need to readjust the height once you are done. It will adjust back to normal height (instructions will be displayed on screen) by itself. From the user manual:
“The suspension can be returned to normal operation by choosing ‘EXIT&LEAVE TEST MODE’ or pressing the Back button. The EAS ECU will also return to normal operation when the vehicle is driven or by using the raise or lower switch (center console) of the air suspension to change height mode.â€
Also, I suggest raising one axle at a time using Adjust Rear and Adjust Front. When using Adjust All, the rear will raise more quickly since the pressure will equalize (air from the front struts will go to the rears).
Iggy/Ieuan
Current LR =
2015 RR Sport Autobiography
&
1992 Land Rover Defender Camper
- Gone but not forgotten:
MY10 D4 GS
MY05 Disco 3 'S'
MY14 FL2 HSE manual in Blue
MY15 Disco 4 HSE Lux in Santorini Black
MY08 Disco 3 SE manual in Buck Blue
1960 Series 2 88" (No idea why I sold it!)
3rd Sep 2014 1:34 pm
DiscoJake
Member Since: 23 Aug 2013
Location: Hereford
Posts: 1429
Can you force it to lower after with the IID tool?
I.e could you jack into super extended then put axle stands under chassis legs then force lower to beach itself on the stands and heh presto you've got your own mobile 4 post lift
3rd Sep 2014 2:15 pm
Iguana
Member Since: 14 Oct 2013
Location: 'Sunny' Zomerset
Posts: 9402
Yes you can lower it as well
Well I'm not going to try it Iggy/Ieuan
Current LR =
2015 RR Sport Autobiography
&
1992 Land Rover Defender Camper
- Gone but not forgotten:
MY10 D4 GS
MY05 Disco 3 'S'
MY14 FL2 HSE manual in Blue
MY15 Disco 4 HSE Lux in Santorini Black
MY08 Disco 3 SE manual in Buck Blue
1960 Series 2 88" (No idea why I sold it!)
3rd Sep 2014 2:52 pm
PatGAPInnov Site Sponsor
Member Since: 02 Dec 2011
Location: Montreal
Posts: 745
Yes, it can be lowered using the same functions. As usual, appropriate jack stands should always be placed under the vehicle when working on it. It could lower by itself if there's an air leak for example.http://www.gap-diagnostic.com/
Can you force it to lower after with the IID tool?
I.e could you jack into super extended then put axle stands under chassis legs then force lower to beach itself on the stands and heh presto you've got your own mobile 4 post lift
You wouldn't get much height.
I't doesn't take two seconds to get it in the air with a trolley jack anyway.Current: Discovery 3 06MY (55 reg) HSE Auto Zambezi Silver Allisport Fast Road Intercooler, V8 Brakes, Silicone IC Hoses, EGRs Blanked, Remapped, De-Cat pipe, FBHIC
Freelander 2 2007 HSE Manual Tambora Flame
Previous: FL2 56 reg SE Manual Black (written off )
Disco 3 06 reg B7S Manual Rimini Red
Disco 2 TD5 Y reg ES Manual Blue - Chipped
Several Discovery 300 TDis
3rd Sep 2014 3:25 pm
DiscoJake
Member Since: 23 Aug 2013
Location: Hereford
Posts: 1429
Will the wheels actually raise off the ground though or does it rely on gravity to move the wishbone?
And this is far cooler than fannying around with a trolley jack
Thinking about it, of course, they wouldn't would they? The compressor doesn't suck the air out.
Can't say that I worry about how "cool" a trolley jack is. Current: Discovery 3 06MY (55 reg) HSE Auto Zambezi Silver Allisport Fast Road Intercooler, V8 Brakes, Silicone IC Hoses, EGRs Blanked, Remapped, De-Cat pipe, FBHIC
Freelander 2 2007 HSE Manual Tambora Flame
Previous: FL2 56 reg SE Manual Black (written off )
Disco 3 06 reg B7S Manual Rimini Red
Disco 2 TD5 Y reg ES Manual Blue - Chipped
Several Discovery 300 TDis
3rd Sep 2014 4:08 pm
Gareth Site Moderator
Member Since: 07 Dec 2004
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Allisport Fast Road Intercooler, V8 Brakes, Silicone IC Hoses, EGRs Blanked, Remapped, De-Cat pipe, FBHIC
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