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Gearbox hesitation on 8 speed?
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Peely
 


Member Since: 12 Dec 2011
Location: Lancs
Posts: 283

United Kingdom 2012 Discovery 4 3.0 SDV6 HSE Auto Siberian SilverDiscovery 4

Q86ARR wrote:
New gearbox software is now available

LTB00451 - 8HP70 8-Speed Automatic Transmission Holding Gear at Wide Open Throttle and 3-2 Downshift Throttle Application from Low Speed



Would a car registered 30/03/2012 not have this latest software ? Shocked
  
Post #9282004th May 2012 3:59 pm
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Q86ARR
 


Member Since: 23 Feb 2010
Location: Jersey
Posts: 378

United Kingdom 2012 Discovery 4 5.0 V8 HSE Manual Bali BlueDiscovery 4

Chassis range CA596988-CA625890
  
Post #9282654th May 2012 6:35 pm
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Peely
 


Member Since: 12 Dec 2011
Location: Lancs
Posts: 283

United Kingdom 2012 Discovery 4 3.0 SDV6 HSE Auto Siberian SilverDiscovery 4

Interesting, mine falls somewhere inbetween those numbers so it may well be worth a call to my dealer, cheers !
  
Post #9282724th May 2012 6:46 pm
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t7mbo
 


Member Since: 19 Apr 2007
Location: West Midlands
Posts: 242

United Kingdom 2012 Discovery 4 3.0 SDV6 HSE Auto Orkney GreyDiscovery 4

Just had my software updated this afternoon by the supplying dealer.....
  
Post #9295018th May 2012 8:14 pm
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Russell
 


Member Since: 24 Aug 2007
Location: Kent
Posts: 10564

United Kingdom 

And....................................
 MY17 D5 1st Edition Namib Orange
MY15 D4 HSE Kaikoura Stone
MY12 D4 HSE Nara Bronze Sold and gone
MY11 D4 HSE Stornaway Grey Sold and gone
D3 S spec Silver Sold and gone
Tow bar, full length roof bars, side steps, tow bar storage unit, surround camers.
D4 camera club 
 
Post #9295028th May 2012 8:17 pm
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t7mbo
 


Member Since: 19 Apr 2007
Location: West Midlands
Posts: 242

United Kingdom 2012 Discovery 4 3.0 SDV6 HSE Auto Orkney GreyDiscovery 4

Initial impressions very favourable!
Much more responsive on the throttle and more eager to change down when you press the throttle at lower speed.

The hesitation, though not gone totally, is very much improved.

I will run it for a week to let it get used to my driving style and post my impressions.
  
Post #9295048th May 2012 8:26 pm
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Zapp79
 


Member Since: 25 Jan 2012
Location: Staffordshire
Posts: 129

United Kingdom 2012 Discovery 4 3.0 SDV6 HSE Auto Orkney GreyDiscovery 4

Good stuff - my initial 'squeaks and rattles' visit to the dealer resulted in the original squeaks and rattles being made rather more apparent than they were before they got 'fixed' Rolling Eyes

Another trip to the dealer is planned anyway, so I will get them to twiddle with this new software while it is in. Thumbs Up
  
Post #9295818th May 2012 10:33 pm
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Russell
 


Member Since: 24 Aug 2007
Location: Kent
Posts: 10564

United Kingdom 

Oh mine falls into that range as well.
 MY17 D5 1st Edition Namib Orange
MY15 D4 HSE Kaikoura Stone
MY12 D4 HSE Nara Bronze Sold and gone
MY11 D4 HSE Stornaway Grey Sold and gone
D3 S spec Silver Sold and gone
Tow bar, full length roof bars, side steps, tow bar storage unit, surround camers.
D4 camera club 
 
Post #9296358th May 2012 11:23 pm
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Peely
 


Member Since: 12 Dec 2011
Location: Lancs
Posts: 283

United Kingdom 2012 Discovery 4 3.0 SDV6 HSE Auto Siberian SilverDiscovery 4

Russell wrote:
Oh mine falls into that range as well.


Mmmm, mine too, but unfortunately, the girl on service reception of supplying dealer ............. "computer says.....NO !!" Evil or Very Mad

Contacted another dealer who is closer anyway, waiting to see what happens next ?
  
Post #9296969th May 2012 9:09 am
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caverD3
 


Member Since: 03 Jul 2006
Location: Oberon, NSW
Posts: 6922

Australia 2012 Discovery 4 3.0 SDV6 SE Auto Fuji WhiteDiscovery 4

If you are having a problem then it should be fixed under warranty irrespective of VIN. They have a fix for your issue so they should apply it.
 â€œThere are only three sports: bullfighting, motor racing, and mountaineering; all the rest are merely games”
Ernest Hemmingway
D4 3.0 Active Diff, Adaptive Lights, High Beam Assist, Surround Cameras, Privacy Glass.
D3 2.7:Adaptive Headlights,Electronic Rear Diff,ARB Bar,Blaupunkt Speakers,JVC Powered Subwoofer,Removable Snorkel,Mitch Hitch,Pioneer After Market Head Unit,Steering Wheel Control Adaptor,Remote Adjustable Supension Rod System, Taxside Dual Battery System. 
 
Post #9297249th May 2012 10:10 am
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Ecosse
 


Member Since: 07 Jan 2005
Location: Grampian, Scotland
Posts: 889


Peely wrote:
Russell wrote:
Oh mine falls into that range as well.


Contacted another dealer who is closer anyway, waiting to see what happens next ?


Peely - I'd be forceful with them Evil or Very Mad - must be something wrong with your car & the software is most likely culprit, as the new 8HP70 is a gem of a gearbox, far more responsive than the 6spd with near instant pick-up and kick-downs that seamlessly drop several gears at once when needed Very Happy
  
Post #9298779th May 2012 3:32 pm
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Peely
 


Member Since: 12 Dec 2011
Location: Lancs
Posts: 283

United Kingdom 2012 Discovery 4 3.0 SDV6 HSE Auto Siberian SilverDiscovery 4

Car booked in for this Friday with local dealer ! Thumbs Up

Would be interested in anyone else if they get it updated as to what their views are and if it did indeed sort the problem out ?

Must admit, I have never been disappointed with the kick down or the gearbox overall really, just the hesitation for drive when setting off from standstill, let's hope it sorts it !

.
  
Post #9298959th May 2012 4:15 pm
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pjgraham86
 


Member Since: 18 May 2009
Location: Glasgow
Posts: 225

Scotland 2012 Discovery 4 3.0 SDV6 XS Auto Buckingham BlueDiscovery 4

Peely/T7MBO - any update for us on this ?

Anyone else had the software update and noticing an improvement ?
  
Post #93215916th May 2012 2:13 pm
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Peely
 


Member Since: 12 Dec 2011
Location: Lancs
Posts: 283

United Kingdom 2012 Discovery 4 3.0 SDV6 HSE Auto Siberian SilverDiscovery 4

Had my update last Friday, dealer was telling me that they had had quite a few requests and questions about the mod from 2012 owners.

I must admit initially it did feel a lot better than before, take up from standtill is a lot more positive and quicker, downshifts especially at lower speeds seem better.

The dealer also informed me that mine required a brake (switch?) or some mod because of possibilities of brake binding, which I had no experience of ? Saying that, the best average mpg I'd had in 600 miles was 24.6 on a motorway at 70-80mph. On my way home via the m/way my average instantly went up to 27.8, so I guess they must have been binding, or the gearbox mod had also helped ?

Don't get me wrong, the gearbox is far from perfect as far as instant drive take up from standstill compared to other autos I've tried, but it's definately better !

Personally I think the only way forward is a re-map to try and eradicate the problem totally, but when, and who knows ?
  
Post #93219616th May 2012 4:13 pm
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Ecosse
 


Member Since: 07 Jan 2005
Location: Grampian, Scotland
Posts: 889


Peely wrote:


The dealer also informed me that mine required a brake (switch?) or some mod because of possibilities of brake binding, which I had no experience of ? Saying that, the best average mpg I'd had in 600 miles was 24.6 on a motorway at 70-80mph. On my way home via the m/way my average instantly went up to 27.8, so I guess they must have been binding, or the gearbox mod had also helped ?


Interesting...and more details on the brake binding issue, as fuel consumption is often an issue raised about the D4 Shocked
  
Post #93220116th May 2012 4:21 pm
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