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Calibrate suspension height with IIDTool.
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ubp_sanity
 


Member Since: 18 Jun 2010
Location: Kitchener, Ontario
Posts: 240

Canada 2006 LR3 4.4 V8 HSE Auto Zermatt SilverLR3
Calibrate suspension height with IIDTool.

I've noticed my car seemed to be a touch low on one side, was hard to tell with parking in a snow bank for the past few months Smile

So, after a few years of having an IIDTool, I've decided to recalibrate the suspension.

But my question is that the instructions and worksheet have you calibrating the left to the right, or vice versa. How would I figure which to do, is there a certain height I should be trying to achieve?

And what about back to front (or front to back)..

Also, once I've re-calibrated the EAS, the original values that have been saved will be useless, how do I go about saving a new value into the original slot? (This might be obvious if I was to look Smile )
  
Post #125589219th Mar 2014 10:38 pm
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ubp_sanity
 


Member Since: 18 Jun 2010
Location: Kitchener, Ontario
Posts: 240

Canada 2006 LR3 4.4 V8 HSE Auto Zermatt SilverLR3

OK, answered one of my questions....

Set each side to be equal, then adjust front and rear to match a certain value from there.. I just needed to read a bit farther into the manual.

On another note, I did up a quick little spreadsheet to do the calculations for me. It's simple calculations, but I figured I can just upload the spreadsheet onto my phone for a quick way of doing it in the future.
  
Post #125591020th Mar 2014 12:14 am
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Robbie
 


Member Since: 05 Feb 2006
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United Kingdom 2013 Discovery 4 3.0 SDV6 HSE Auto Baltic BlueDiscovery 4

Should sit a bit higher at the rear, with 466 mm at the front and 485 mm at the rear when measured to the centre of the wheel thus:



Clearly test on a level surface, full tank of fuel or ballasted accordingly, no additional weight, correct tyre pressures, engine running etc and Tight Tolerance mode.

Hope this helps and feel free to post your spreadsheet on here.

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Post #125592420th Mar 2014 6:55 am
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anglefire
 


Member Since: 09 Mar 2010
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Never quite understood the weight thing - its self levelling suspension within a few mm (in TT Mode) so the weight should make no difference. Or have I missed something?
 Mark.
2006, D3 SE Auto - gone but not forgotten.
2014 BMW 530d M Sport Tourer.
1977 Triumph Spitfire 1500

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Post #125606520th Mar 2014 1:28 pm
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ubp_sanity
 


Member Since: 18 Jun 2010
Location: Kitchener, Ontario
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Canada 2006 LR3 4.4 V8 HSE Auto Zermatt SilverLR3

I don't understand the weight thing either, however, the drivers side heights did change on me after I got out and read from outside. They changed by 1..

As for fuel load, I'm doing it with a normal fuel load (ie.. almost empty), just put $50 in yesterday..

It's surprisingly hard to find a level surface these days, everywhere seems to have a slight slope to it. So off to a parking lot I went.
  
Post #125607320th Mar 2014 1:40 pm
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Robbie
 


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The weight and distribution does make a difference as the sprung mass is not isolated to the air in the suspension alone. If this difference matters to you or not is a different question but the procedure I have outlined is in accordance with JLR.

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 Land Rover - Turning Drivers into Mechanics Since 1948

Battery & Quiescent Current Drain Testing

Diagnostics for:
Defender, FL2, D3, D4, Evoque, RRS & FFRR
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Post #125620220th Mar 2014 6:28 pm
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mickdundee
 


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Robbie, what was your old avatar by the way?
  
Post #125622520th Mar 2014 6:51 pm
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ubp_sanity
 


Member Since: 18 Jun 2010
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Canada 2006 LR3 4.4 V8 HSE Auto Zermatt SilverLR3

Thanks Robbie.

I had about 1/2 tank of fuel, but about 50 pounds of other stuff in the back, so it should have equaled out. When I get new tires, but before I go for an alignment, I'll redo the measurement with a full tank and nothing in the car. That's assuming I'll be able to afford fuel after new tires of course.

This is the measurement I took beforehand, and the spreadsheet I made.



And this is after re-calibrating.

  
Post #125629020th Mar 2014 8:20 pm
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Robbie
 


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mickdundee wrote:
Robbie, what was your old avatar by the way?


Martin makes her sleep in here these days:

http://www.disco4.com/gallery/displayimage...mp;pos=150

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 Land Rover - Turning Drivers into Mechanics Since 1948

Battery & Quiescent Current Drain Testing

Diagnostics for:
Defender, FL2, D3, D4, Evoque, RRS & FFRR
A not-for-profit enterprise


 
 
Post #125629720th Mar 2014 8:32 pm
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mickdundee
 


Member Since: 06 Feb 2011
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Very good Laughing
  
Post #125630620th Mar 2014 8:39 pm
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PatGAPInnov
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Nice spreadsheet! Calculations are spot on...

And nice old avatar Rob Rolling with laughter
 http://www.gap-diagnostic.com/
 
 
Post #125631220th Mar 2014 8:50 pm
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Robbie
 


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'Torque Softly, Torque Dirty'

…as I used to say…

She became persona non grata on 4th Sep 2011 at 9:37 pm.

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 Land Rover - Turning Drivers into Mechanics Since 1948

Battery & Quiescent Current Drain Testing

Diagnostics for:
Defender, FL2, D3, D4, Evoque, RRS & FFRR
A not-for-profit enterprise


 
 
Post #125631420th Mar 2014 8:54 pm
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nunocosta
 


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It was nice if someone had instructions step by step and show here how calibrate the suspension
  
Post #125638120th Mar 2014 11:07 pm
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chopcat
 


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Re: Calibrate suspension height with IIDTool.

ubp_sanity wrote:

But my question is that the instructions and worksheet have you calibrating


Where do these instructions and worksheets live? I have taken a look on the Gap site but am obviously looking in the wrong place.

Cc
 may the odds be ever in your favor  
Post #125640121st Mar 2014 7:19 am
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Robbie
 


Member Since: 05 Feb 2006
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United Kingdom 2013 Discovery 4 3.0 SDV6 HSE Auto Baltic BlueDiscovery 4

The impressive spreadsheet above is homemade (perhaps GAP will adopt it), but GAP offer a template and a worked example available here:

http://www.gap-diagnostic.com/support/documents.html

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 Land Rover - Turning Drivers into Mechanics Since 1948

Battery & Quiescent Current Drain Testing

Diagnostics for:
Defender, FL2, D3, D4, Evoque, RRS & FFRR
A not-for-profit enterprise


 
 
Post #125640321st Mar 2014 7:28 am
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