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Air suspension and IID tool
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Scott90
 


Member Since: 28 Apr 2013
Location: Crieff
Posts: 118

Scotland 2011 Discovery 4 3.0 SDV6 Commercial XS Auto Galway GreenDiscovery 4
Air suspension and IID tool

Hi there can anyone tell me (have done a search cans find anywhere) if I can adjust the front suspension independently of the rear suspension as the front is to high by about 15/20mm?

Thanks
  
Post #207591014th Aug 2019 7:13 am
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Mikeyb
 


Member Since: 08 Nov 2016
Location: Maldon, Essex
Posts: 450

United Kingdom 2006 Discovery 3 TDV6 HSE Auto Tonga GreenDiscovery 3

Yes, you can set up suspension height with IID. I'm not going to detail how as although aware, I have not actually done this myself.

Read the IID manual that you should have got with the tool (or download if you haven't) then search this forum. Plenty of old posts out there, but the manual will tell you most of what you need to know.
 Not such a Disco Newbie now!
IID BT 
 
Post #207591214th Aug 2019 7:22 am
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Scott90
 


Member Since: 28 Apr 2013
Location: Crieff
Posts: 118

Scotland 2011 Discovery 4 3.0 SDV6 Commercial XS Auto Galway GreenDiscovery 4

Hi thanks for your reply Mikeyb I haven’t bought one yet so don’t have the manual.

Bu what I wanted to know is can the front suspension be adjusted without adjusting the rear?
  
Post #207629015th Aug 2019 2:15 pm
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Iguana
 


Member Since: 14 Oct 2013
Location: 'Sunny' Zomerset
Posts: 8465

Wales 2005 Discovery 3 TDV6 S Manual Arctic FrostDiscovery 3

Here's the link to the GAP site for IID manual
https://www.gap-diagnostic.com/support/documents/iidtool/ Thumbs Up
 Iggy/Ieuan

Current LR = 2005 (55 plate) Disco 3 'S', Sankey Camping Trailer
& 2014 BMW 525
- Gone but not forgotten:
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!) 
 
Post #207630515th Aug 2019 4:13 pm
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Mikeyb
 


Member Since: 08 Nov 2016
Location: Maldon, Essex
Posts: 450

United Kingdom 2006 Discovery 3 TDV6 HSE Auto Tonga GreenDiscovery 3

As I already said, I have not done it so cannot be sure. However from what I have read, you adjust each corner in turn so in theory, yes.

However, I have been playing recently with the test mode function of the IID in relation to suspension - this is where you can raise or lower each corner manually in turn (does not save positions but reverts to normal settings when exit'ed). What I did see from that is when you adjust the height of one corner manually, the opposite corner height position changes - makes sense if you think about it as in test mode the car is not compensating.

I don't think you will properly set up your suspension without doing all four corners.
 Not such a Disco Newbie now!
IID BT 
 
Post #207635415th Aug 2019 8:49 pm
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robpenrose
 


Member Since: 12 Jan 2016
Location: Surrey / SW London
Posts: 1608

United Kingdom 2010 Discovery 4 3.0 TDV6 HSE Auto Stornoway GreyDiscovery 4

You need to follow the calibration procedure. You will also need a tape measure
 

Current: D4 HSE
Previous: BMW Z4M Coupe
Previous: Land Rover Defender 90 CSW Td5
Previous: Land Rover Discovery Td5 ES 
 
Post #207635815th Aug 2019 9:06 pm
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Davethegeo
 


Member Since: 01 Oct 2015
Location: Edinburgh
Posts: 569

Scotland 2012 Discovery 4 3.0 SDV6 XS Auto Baltic BlueDiscovery 4

You will also need the latest firmware for the IID tool. I didn't have this and couldn't work out why everyone was talking about the suspension calibration procedure that looked very different to what was possible on my outdated tool.
Updated now, and I've seen the light.
 D1 300Tdi - gone
D2 Td5 ES (Alive remapped...mmm) - sadly gone
D4 SDV6 XS - still shiny

 
 
Post #207636615th Aug 2019 9:33 pm
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DiscoJake
 


Member Since: 23 Aug 2013
Location: Hereford
Posts: 1426

United Kingdom 2009 Discovery 3 TDV6 HSE Auto Stornoway GreyDiscovery 3

Yes used to be some maths involved but now the app does it all for you Thumbs Up
   
Post #207637415th Aug 2019 11:59 pm
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Scott90
 


Member Since: 28 Apr 2013
Location: Crieff
Posts: 118

Scotland 2011 Discovery 4 3.0 SDV6 Commercial XS Auto Galway GreenDiscovery 4

Thank you all for your help that has answered my question Thumbs Up it looks like I’ll be buying one next week.
  
Post #207638016th Aug 2019 6:05 am
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DiscoJake
 


Member Since: 23 Aug 2013
Location: Hereford
Posts: 1426

United Kingdom 2009 Discovery 3 TDV6 HSE Auto Stornoway GreyDiscovery 3

One for sale at moment:

https://www.disco3.co.uk/forum/sale-bits-i...83075.html
   
Post #207639716th Aug 2019 7:23 am
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Scott90
 


Member Since: 28 Apr 2013
Location: Crieff
Posts: 118

Scotland 2011 Discovery 4 3.0 SDV6 Commercial XS Auto Galway GreenDiscovery 4

Thanks discojake Thumbs Up
  
Post #207639816th Aug 2019 7:26 am
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RBB
 


Member Since: 19 Nov 2018
Location: Fife
Posts: 132

Scotland 2015 Discovery 4 3.0 SDV6 HSE Lux Auto Alaska WhiteDiscovery 4

you can alter each axle independently, no tape measure needed !

Just go into the suspension page, call the setting you want something and unlock the small symbol that binds the two axles together, adjust front or rear, save and upload....

Do it fairly often when car/camping to try and level the car.....I just change the setting back to default when I drive off ( also have a +20mm all round for extra clearance off road)
  
Post #207642416th Aug 2019 10:17 am
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Scott90
 


Member Since: 28 Apr 2013
Location: Crieff
Posts: 118

Scotland 2011 Discovery 4 3.0 SDV6 Commercial XS Auto Galway GreenDiscovery 4

Thanks RBB that’s the info I was looking for, much appreciate.
  
Post #207643316th Aug 2019 10:58 am
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robpenrose
 


Member Since: 12 Jan 2016
Location: Surrey / SW London
Posts: 1608

United Kingdom 2010 Discovery 4 3.0 TDV6 HSE Auto Stornoway GreyDiscovery 4

If you want to set the suspension up properly, and get it back to how it should be, you need a tape measure. The car doesn’t know the heights. You need to manually measure and adjust each corner to get the correct values.

The IID calibration steps you through the procedure and tells you where to measure and what measured values you need to achieve.

So to set the car up properly, use the suspension calibration, use a tape measure and get the wheel alignment checked after.

If you just eye it up, it won’t be correct. Thumbs Up
 

Current: D4 HSE
Previous: BMW Z4M Coupe
Previous: Land Rover Defender 90 CSW Td5
Previous: Land Rover Discovery Td5 ES 
 
Post #207644016th Aug 2019 11:33 am
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