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8speed gearbox problem
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Waldorf
 


Member Since: 09 Jan 2014
Location: Aalter
Posts: 71

Belgium 2014 Discovery 4 3.0 TDV6 S Auto Aintree GreenDiscovery 4
8speed gearbox problem

This is about a 2014 D4 with the 8-speed gearbox with rotary knob. It has 100.000 kms. In the past week I have had three incidents in which the gearbox knob would not select D. The first two was when reversing after which I was unable to select D. When I turned off the engine the gearknob did not disappear in the centre console like it usualy does. It jammed somewhat half way. When trying to restart the engine I got the message: gearbox not in Park. After several attempts to restart I managed to get the car going and all was fine. The third incident was when I stopped to mail a lettre. I left the car idling in P for half minute, but when I wanted to drive off I could not select D. The knob was stuck solid in P. Switched off and started again several times before I could select D. What is going on?
  
Post #199597229th Oct 2018 10:51 am
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Dave T
 


Member Since: 03 Jul 2009
Location: Glasgow
Posts: 6902

England 

I'm sure there have been instances of the knob breaking on here, did you try a search
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Post #199601629th Oct 2018 12:19 pm
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Waldorf
 


Member Since: 09 Jan 2014
Location: Aalter
Posts: 71

Belgium 2014 Discovery 4 3.0 TDV6 S Auto Aintree GreenDiscovery 4

I did try a search, but I could not find anything relevant.
  
Post #199606429th Oct 2018 2:25 pm
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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

There were instances of gear know getting stuck due to dirt jamming it on the inside getting there through the gap between the knob and roatry know body
it is failry easy to take it apart to check whether it is the problem

aslo reading the DTC code would help it the issues is electrical not mechanical
good luck
G
  
Post #199606729th Oct 2018 2:38 pm
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ianm27
 


Member Since: 02 Jun 2016
Location: Hertfordshire
Posts: 2154

England 2012 Discovery 4 3.0 SDV6 GS Auto Orkney GreyDiscovery 4

Is this any use?:

https://www.disco4.com/forum/rotary-gear-thing-stuck-166646.html
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Post #199608429th Oct 2018 3:28 pm
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