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Gears jumping
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landyman73
 


Member Since: 25 Aug 2010
Location: Pretoria
Posts: 12

South Africa 2006 Discovery 3 TDV6 HSE Auto Alaska WhiteDiscovery 3
Gears jumping

Hi, first post - firstly want to thank Anthony from Torq Tune for all the help with my D3 - really appriciate it! Very Happy . However currently have the following major problem:
Towed a heavy trailer for 1000km no problems - day after ariving at our destination problems started as follows; Normal drive mode - after approx 3-5km when shifting up there is a jerking of the gears and revs hunt severely - seems specific to arount 4th - 6th gears. If continue driving like this - transmission failure message comes up with limited gears available "F" appears on dash. Same happens with Sports mode. If driving in Comand shift - no problems gears shift up normally no hunting of the revs, however seems after approx 50-70km that it strugles to shift between 6th , 5th and 4th - downwards especially - then also goes into TFM and limited gears available. - Any help would be appreciated Sad
  
Post #78898623rd Apr 2011 1:11 pm
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DiscoDunc
 


Member Since: 08 May 2006
Location: Bristol
Posts: 16390

England 2010 Discovery 4 3.0 SDV6 HSE Auto Aintree GreenDiscovery 4

may just need a double flush of gearbox.

mine started doing that when towing, seemed as if it was misfiring, but I didnt get any errors messages.

search for +double +flush Thumbs Up
 Duncan
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Post #78899023rd Apr 2011 1:24 pm
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landyman73
 


Member Since: 25 Aug 2010
Location: Pretoria
Posts: 12

South Africa 2006 Discovery 3 TDV6 HSE Auto Alaska WhiteDiscovery 3

Hi - already had that done about 3000km ago - this is different from what I experienced before - not constant at all - also hunting is severe - jumping 1000 revs at time? - any other ideas - electronic maybe?
  
Post #78899923rd Apr 2011 2:34 pm
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character
 


Member Since: 31 Dec 2007
Location: wiltshire
Posts: 5779

United Kingdom 2005 Discovery 3 TDV6 S Auto Alaska WhiteDiscovery 3

the control module (my bet) or torque converter within the gearbox, take yer pick, each as expensive as the other with the same labour charge as for inserting a complete box (which comes with torque converter and control module and gearbox and 99% filled up with the very expensive ATF, you just have to buy half a litre to top up) Rolling with laughter

Been there, seen it done club and now sporting a new complete box Thumbs Up
  
Post #78912223rd Apr 2011 10:14 pm
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Baben
 


Member Since: 15 Feb 2006
Location: Kyalami
Posts: 2059

South Africa 2006 Discovery 3 TDV6 SE Auto Cairns BlueDiscovery 3

Should be able to get a control module at the scrapyard? May be worth a try. Ask clintD3- he knows a great source
  
Post #78921424th Apr 2011 11:02 am
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landyman73
 


Member Since: 25 Aug 2010
Location: Pretoria
Posts: 12

South Africa 2006 Discovery 3 TDV6 HSE Auto Alaska WhiteDiscovery 3

Hi - thanks for that will certainly try on Tuesday when everyone is out of holliday mode! - one question though, will I make it back to GP, in its current state?
  
Post #78924524th Apr 2011 1:56 pm
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Bandit1
 


Member Since: 05 Mar 2011
Location: Cape Town
Posts: 5

South Africa 2005 Discovery 3 TDV6 SE Auto Unknown ColourDiscovery 3

Landyman

Have you managed to get jour problem sorted yet??
I am experiencing the same.
New oil has been put in twice but still not fixed. No problems on the diagnostics.
Any suggestions from anyone??
Thanks
  
Post #81948321st Jul 2011 7:20 pm
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Kabous
 


Member Since: 11 Jul 2007
Location: Mokopane
Posts: 233

South Africa 2010 Discovery 4 3.0 TDV6 HSE Auto Alaska WhiteDiscovery 4

Sounds like the need for a new gearbox oil filter.
 White MY2011 SDV6 HSE  
Post #81960422nd Jul 2011 5:56 am
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KOOS BEST
 


Member Since: 14 Feb 2010
Location: Mtunzini
Posts: 122

South Africa 2006 Discovery 3 TDV6 S Auto Alaska WhiteDiscovery 3

Kabous wrote:
Sounds like the need for a new gearbox oil filter.

Is there a post on how to do this?
Would like to know how to.
  
Post #82024224th Jul 2011 4:50 pm
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landyman73
 


Member Since: 25 Aug 2010
Location: Pretoria
Posts: 12

South Africa 2006 Discovery 3 TDV6 HSE Auto Alaska WhiteDiscovery 3

Sorry to be the bearer of bad news, but the cause of mine behaving in the way it did was a burnt lockup clutch, and subsequent debris going into the torque converter - very expensive Big Cry . However,the pain has been dulled a bit since she is now running like new after the replacement of the torque converter, and the overhaul of the gearbox Very Happy
  
Post #82030625th Jul 2011 4:07 am
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Discoeast
 


Member Since: 19 Feb 2008
Location: Boksburg
Posts: 800

South Africa 2007 Discovery 3 TDV6 S Auto Zermatt SilverDiscovery 3

Quote:
Is there a post on how to do this?
Would like to know how to.


KOOS BEST
The filter is part of the gearbox oil pan, you replace the whole thing.
 D3 bullbar-spots-roof rack with spots-ladder-long range tank-swing out spare wheel carrier- upgraded tow bar-dash console-internal water tank-duel awnings-drawer system & T T.  
Post #82031225th Jul 2011 6:11 am
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landyman73
 


Member Since: 25 Aug 2010
Location: Pretoria
Posts: 12

South Africa 2006 Discovery 3 TDV6 HSE Auto Alaska WhiteDiscovery 3

You can get a metal pan from ZF in Edenvale (SA), which will have the filter seperately. So in theory you will be able to replace the filter in the future without having to change the whole pan.
  
Post #82035925th Jul 2011 9:35 am
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