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Gearbox
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Realist
 


Member Since: 21 Mar 2016
Location: South Wales
Posts: 324

Wales 2010 Discovery 4 3.0 TDV6 GS Auto Santorini BlackDiscovery 4
Gearbox

Hi all,

I’ve not had my 2010 LR4 Discovery but had it to tow a twin axle caravan.

When I’m towing the van the gear changes seem to stay in a higher gear for too long and I have to manually drop it down a gear, specially on hills.

So question is, can I reset the gearbox back to factory via the IIDTool and let it learn my driving habits and towing gear changes so they are quicker and more effective.

Or will it do more harm than good.

Thanks all.
 
Why wait, just go for it and enjoy life.

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Post #22869557th Apr 2022 5:05 pm
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Realist
 


Member Since: 21 Mar 2016
Location: South Wales
Posts: 324

Wales 2010 Discovery 4 3.0 TDV6 GS Auto Santorini BlackDiscovery 4

Anyone.
 
Why wait, just go for it and enjoy life.

Previous….
Discovery 300TDI
Range Rover Vogue

Current:
2010 Discovery 4 GS Santorini Metallic Black 
 
Post #22870058th Apr 2022 8:10 am
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grzesiul
 


Member Since: 11 May 2008
Location: UK
Posts: 6265

Poland 2016 Discovery 4 3.0 SDV6 SE Auto Loire BlueDiscovery 4

i would not clear learning cycles on gearbox

did you ever had a gear oil change or flush

mine 8speed was also holding to gears for longer until flush was done and no feels more lie when it was fresh from factory

G
  
Post #22870108th Apr 2022 8:27 am
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robpenrose
 


Member Since: 12 Jan 2016
Location: Surrey / SW London
Posts: 2136

United Kingdom 2010 Discovery 4 3.0 TDV6 HSE Auto Stornoway GreyDiscovery 4
Re: Gearbox

Realist wrote:
Hi all,

I’ve not had my 2010 LR4 Discovery but had it to tow a twin axle caravan.

When I’m towing the van the gear changes seem to stay in a higher gear for too long and I have to manually drop it down a gear, specially on hills.

So question is, can I reset the gearbox back to factory via the IIDTool and let it learn my driving habits and towing gear changes so they are quicker and more effective.

Or will it do more harm than good.

Thanks all.


How many revs are talking?
 

Current: D4 HSE
Previous: BMW Z4M Coupe
Previous: Land Rover Defender 90 CSW Td5
Previous: Land Rover Discovery Td5 ES 
 
Post #22870218th Apr 2022 9:29 am
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Realist
 


Member Since: 21 Mar 2016
Location: South Wales
Posts: 324

Wales 2010 Discovery 4 3.0 TDV6 GS Auto Santorini BlackDiscovery 4

Didn’t notice revs but for example going up a slight incline it auto drops down a gear and stays there. The feel and sound isn’t right so I manually drop it up a gear and the car pulls and sound fine.

Hence the question above.

No, not had a flush or change done again hence the question.
 
Why wait, just go for it and enjoy life.

Previous….
Discovery 300TDI
Range Rover Vogue

Current:
2010 Discovery 4 GS Santorini Metallic Black 
 
Post #22870268th Apr 2022 10:01 am
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Pete K
 


Member Since: 15 Jan 2016
Location: GL
Posts: 10337

England 2005 Discovery 3 TDV6 HSE Auto Rimini RedDiscovery 3

Try using sport mode with the caravan
  
Post #22870428th Apr 2022 11:45 am
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James W
 


Member Since: 27 Mar 2008
Location: Wirral, UK
Posts: 3056

United Kingdom 

My box used to learn to hold onto gears longer after I'd done a lot of towing (big TA van). It will do naturally due to the increased effort, I just used Sport mode and give it a helping hand with a manual shift if necessary.

I would very much recommend a flush if you haven't had one done over 50k miles. It transforms the box.

I'd also not get too keen to get it to shift if you're dragging a heavy 'van up a hill, you'll just push the additional effort and load into the engine. Just dropping a few MPH is often better and leave it in the gear it thinks it needs.
 D4 XS, gone, much loved, never forgotten
2018 FFRR SDV8 Autobiography - WTF does this button do 
 
Post #22870458th Apr 2022 11:50 am
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Realist
 


Member Since: 21 Mar 2016
Location: South Wales
Posts: 324

Wales 2010 Discovery 4 3.0 TDV6 GS Auto Santorini BlackDiscovery 4

Thanks all, will look at a flush and new oil and see how that goes.
 
Why wait, just go for it and enjoy life.

Previous….
Discovery 300TDI
Range Rover Vogue

Current:
2010 Discovery 4 GS Santorini Metallic Black 
 
Post #22870738th Apr 2022 2:05 pm
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