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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

Nah, mine's Siberian Silver ! Wink
  
Post #93444023rd May 2012 9:07 am
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Blue62
 


Member Since: 07 Sep 2011
Location: Midlands
Posts: 87

United Kingdom 2012 Discovery 4 3.0 SDV6 HSE Auto Sumatra BlackDiscovery 4

My car is a 61 plate 8 speed, bought last Xmas and while it's certainly not the quickest slush box from standstill, on the move I find the changes are very smooth and match my pace well, when pressing on (which I don't do much of in this car) it's fine as well, so I'm a bit surprised at the problem so many posters seem to be having, or maybe (as this my first LR) I'm too easily pleased.
  
Post #93493224th May 2012 1:53 pm
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Paul White
 


Member Since: 27 Jan 2012
Location: Marshfield, Nr Bath
Posts: 279

England 2015 Discovery 4 3.0 SDV6 HSE Auto Aintree GreenDiscovery 4

Took my 2012 HSE into the dealers on Friday re the "hesitant 8 speed gearbox off the starting line" and they said the problem was a faulty break peddle micro switch which was holding the brakes on slightly.

I had also said to them that it felt as if the brakes were sticking at slow speeds on occasions.

Drove to Suffolk and back over the weekend, 400 odd miles, and it does seem better exiting junctions although maybe it's imagination! Wink

Whatever, the car is brilliant anyway you look at it, soooo quiet and smooth Very Happy

Paul
  
Post #93610828th May 2012 5:31 pm
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Bursztyn
 


Member Since: 28 Nov 2011
Location: Wiltshire
Posts: 64

United Kingdom 2012 Discovery 4 3.0 SDV6 HSE Auto Buckingham BlueDiscovery 4

Following up on my post 17th May and gearbox software upgrade download: Have covered approx 700 miles since and appears to have improved although not 100%. Now relying more on paddles when approaching junctions and roundabouts, just to be safe.
  
Post #9394227th Jun 2012 11:05 am
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sideshow bob
 


Member Since: 20 Nov 2011
Location: Chester
Posts: 71

2016 Discovery 4 3.0 SDV6 Commercial Auto Montalcino RedDiscovery 4

Interesting thread
my 2012 DISCO Falls betwen CA596988 to CA625890 (SDV6 255bhp)
I phoned my local LR dealer who stated that there is nothing on the system for mine and furthermore thay new nothing about either the problem or the software fix

Any advice guys please, or a contact name at another dealer who talks sense?
  
Post #94414519th Jun 2012 8:51 am
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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

I had the same problem when I contacted my supplying dealer, girl on reception ......."computer says no !"

So I contacted a dealer who was actually nearer to me and they knew about the problem and had already had several 2012 owners contact them regarding the problem.

I would suggest contacting one who does know ! Rolling Eyes
  
Post #94415119th Jun 2012 9:14 am
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sideshow bob
 


Member Since: 20 Nov 2011
Location: Chester
Posts: 71

2016 Discovery 4 3.0 SDV6 Commercial Auto Montalcino RedDiscovery 4

Peely wrote:
I had the same problem when I contacted my supplying dealer, girl on reception ......."computer says no !"

So I contacted a dealer who was actually nearer to me and they knew about the problem and had already had several 2012 owners contact them regarding the problem.

I would suggest contacting one who does know ! Rolling Eyes


Thanks Peely
The dealer has been back to me this morning and says he knows about the brake light switch mod but not the software update and has asked me if I can get him the number of the Land Rover Bulletin that describes the software mod?
  
Post #94415819th Jun 2012 9:29 am
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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

The only ref no. I have is the one posted earlier in the thread ....................

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


.
  
Post #94417119th Jun 2012 10:07 am
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qwerty2008
 


Member Since: 20 Dec 2011
Location: Glasgow
Posts: 7

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

Guys
My D4 is only 2 months old and I noticed the odd gearbox stickyness, particularly on startup. I found these threads and my chassis no. was within the list for new software. Took it to the dealer who knew nothing about it and said there were no known faults, but they took it in to look at. They said it road tested fine and they found nothing wrong with it, but when I asked if they had made any changes, they said they had installed a gearbox software update.

Now the really bad part - the minor downshift fault is fixed but the box is now totally sh*t - it thinks its way through every down change. My strong advice is dont get this update unless you have real downshift problem - the update it much worse and the car will be going back again.
  
Post #94896330th Jun 2012 8:02 pm
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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

The new sotware would have set the adaptive setings. See if it improves. Idea
 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 #9490491st Jul 2012 2:44 am
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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

I have never had a problem with downshifts, in fact the gearbox performs well when on the move, shifts are smooth. The only problem I have is with setting off and when moving slower and need instant power, waaaaay too much time between applying throttle and moving ?

caverD3 wrote:
The new sotware would have set the adaptive setings. See if it improves. Idea


Can you explain in a little more detail ?

.
  
Post #9494592nd Jul 2012 9:55 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

Most auto boxes learn your driving style and adapt the changes to suit. The upgrade would reset the changes to default, it needs to re-learn your driving style.
Then you can tell if it has helped or not.
 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 #9494632nd Jul 2012 10:03 am
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