Member Since: 09 Oct 2012
Location: Riyadh
Posts: 14
Air Suspension hidden mode
Hi all,
I took my LR4 which just owned 2 weeks ago for a long travel (about 3000km), I really enjoy the trip, man...this car didn't stop surprising me from time to time, way better than my old 1999 Range Rover. I noticed a slightly lowered hight when cruising on long roads...is the car lower itself more than the standard hight during high speed? I do remember in my old RR, there were 4 modes for its air suspension, one was the high-speed (less drag) mode, is there a similar "hidden" mode in the Discovery? Any idea?
Also, I wished the tank was capable of taking more fuel...83 liter is not ideal during long travel in my opinion, my old RR tank was 100 liter. Is there a way to increase it, or install another one?
thanks a lot!
30th Oct 2012 8:33 am
DiscoDunc
Member Since: 08 May 2006
Location: Bristol
Posts: 16390
I thought the D3, D4, RRS all lowered at high speed - but thought it was over 110mph or something like that. never really bothered checking the facts as I never get chance to drive at that speed anymore..Duncan
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is the car lower itself more than the standard hight during high speed
Yep, the suspension lowers the car at higher speed to a height between access and standard. Don't know the exact speed this happens, but when i leave the german autobahn the suspension often raises to std height.
Last edited by Voug on 30th Oct 2012 9:30 am. Edited 1 time in total
30th Oct 2012 9:16 am
Paul White
Member Since: 27 Jan 2012
Location: Marshfield, Nr Bath
Posts: 279
Over 50mph,... if you watch the end of the bonnet you'll see it drop 8)
Paul
30th Oct 2012 9:20 am
DG Site Moderator
Member Since: 12 Dec 2005
Location: The Gaff
Posts: 50934
If yours lowers at 50mph there is something wrong Should only drop below normal height when driven for more than 5 secs at + 103mph ISTR 21 year LR veteran > D2 GS 2003 > D3 S 2006 > D3 HSE 2009 > D4 HSE 2013 > D4 HSE 2015 > D5 HSE 2018 > DS HSE R-Dynamic P300e 2021
30th Oct 2012 9:26 am
Paul White
Member Since: 27 Jan 2012
Location: Marshfield, Nr Bath
Posts: 279
This is what the boys say at LR for my old 2006 FFRR, so I presume this is what happens with all air suspensions...
Low Profile/Motorway -- an inch (0.8 inch or 20 mm) below standard; selected automatically above 50 mph (62 mph ) unless inhibit switch is depressed.
Paul
30th Oct 2012 9:37 am
chalky
Member Since: 22 Aug 2008
Location: Yorkshire
Posts: 3145
103 is over 50 ?Only dead fish go with the Flow !
30th Oct 2012 9:45 am
DG Site Moderator
Member Since: 12 Dec 2005
Location: The Gaff
Posts: 50934
Paul this definitely shouldn't happen on the Disco 21 year LR veteran > D2 GS 2003 > D3 S 2006 > D3 HSE 2009 > D4 HSE 2013 > D4 HSE 2015 > D5 HSE 2018 > DS HSE R-Dynamic P300e 2021
30th Oct 2012 9:55 am
fishinmad
Member Since: 30 Jan 2012
Location: St Ives
Posts: 877
My D3 handbook says the suspension will lower if over 103 mph for 3 seconds.
I have always wanted to check this but when ever I have tried to go over 103 for 3 seconds I have always bottled it (as good as the D3 is, driving a 3 ton brick at 103 mph makes me loos my nerve)!
30th Oct 2012 2:31 pm
Mohsen
Member Since: 09 Oct 2012
Location: Riyadh
Posts: 14
Thanks all. So, with this..the air suspension has 5 modes; this hidden one plus the extended mode, I wish all are controllable but I could not find any thing about this in the manual except the extended one.
30th Oct 2012 4:55 pm
markate
Member Since: 17 Sep 2011
Location: England
Posts: 702
Air Suspension heights are:
Selected by Driver:
Locked Access
Access
Normal
Off Road
Super Extended - only if Extended has been selected automatically.
Selected automatically
Motorway
Extended
Selected by computer
Recovery
30th Oct 2012 6:34 pm
Popelka
Member Since: 31 May 2008
Location: Praha (Prague)
Posts: 2430
markate wrote:
Selected by computer
Recovery
whats recovery mode?????Experience is a difficult teacher, because she gives the test first and then the lesson afterwards!!!!
31st Oct 2012 5:41 pm
markate
Member Since: 17 Sep 2011
Location: England
Posts: 702
[quote="Popelka"]
markate wrote:
Selected by computer
whats recovery mode?????
The mode that should be selected if the vehicle is recovered on the back of a recovery (flatbed) truck.
1st Nov 2012 6:50 pm
M3DPO
Member Since: 22 Sep 2010
Location: Notts.
Posts: 8108
markate wrote:
Air Suspension heights are:
Selected by Driver:
Locked Access
Access
Normal
Off Road
Super Extended - only if Extended has been selected automatically.
Selected automatically
Motorway
Extended
Selected by computer
Recovery
How many of the above if any can be modified by the famous 3 diagnostic tools? - and which make adjust what?
The answer to this question can sway the make that is purchased, I do know the IID will adjust the height, but will it adjusts the speed that motorway height automatically operates?It can when others can't,
It will when others won't,
It goes where others don't.
1st Nov 2012 7:56 pm
SteveMfr Site Sponsor
Member Since: 11 Jan 2011
Location: Strasbourg
Posts: 200
Hi M3DPO,
No, the IIDTool will not do that - yet, anyway. We are considering it - as well as allowing a mild raising of the off-road hight limit (mild=like 60kmh rather than the OEM 50kmh).
We are a bit worried about liability...
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Should only drop below normal height when driven for more than 5 secs at + 103mph ISTR 
