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D4 Transfer Box Problem - Robbie's MY13 HSE
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Robbie
 


Member Since: 05 Feb 2006
Location: ¯\_(ツ)_/¯
Posts: 17718

United Kingdom 2013 Discovery 4 3.0 SDV6 HSE Auto Baltic BlueDiscovery 4
D4 Transfer Box Problem - Robbie's MY13 HSE

Like a good boy I exercised the transfer box yesterday after hoovering out the holiday / bits of Devon. On selection of Low the car really hunched down with a jolt and a straining noise. Engaging High again was equally abrupt.

Tried it again today it selection of Low was a bit brutal and really pulled against the brakes. Selection of High was equally dramatic and the wife (on the outside doing gardening) said the car suddenly smelt funny as well as observing the unrefined noises. The car will move in Low ok, fwd and rev and the gearbox itself feels fine but in L-Reverse there is a pronounced whine proportional to speed.

As for codes, as well as a few nuisance comms I found:

TCCM Transfer Case:
- P183A Range Change Mechanical Failure
- P2711 Unexpected Mechanical Gear Disengagement

Not seen this before - any ideas or other things to check?

Sad
 Land Rover - Turning Drivers into Mechanics Since 1948

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Post #11531565th Sep 2013 3:48 pm
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euangibson
 


Member Since: 24 Dec 2010
Location: Borders
Posts: 10727

Scotland 2012 Discovery 4 3.0 SDV6 HSE Auto Firenze RedDiscovery 4

Robbie,forgive my ignorance but can you reset the trf box ecu with your new box of tricks ?
 "Better to remain silent and be thought a fool,than to speak out and remove all doubt" ?.....what rubbish...

Locking rear E-diff
RLD spare wheel protector & sump guard
Extended roof rails
Series 111 mudflaps
Black side tubes,grill and vents
Timed climate remote
Hids4u interior lights

D4 Firenze my2012 HSE
D3 Java 2005 SE manual (sold,sadly,thanks for the memories)
1966 '88 Series 2a....still starts in the morning better than I do... 
 
Post #11531585th Sep 2013 3:51 pm
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petersw
 


Member Since: 17 Nov 2012
Location: Norfolk
Posts: 1135

United Kingdom 2013 Discovery 4 3.0 SDV6 HSE Auto Orkney GreyDiscovery 4

See my post here .... extra info ....

Mine also jerks when engaging / disengaging
I have had the gearbox update done have you ?

http://www.disco3.co.uk/forum/topic100017.html

am booked in tomorrow (fri 6th 8 am for diagnostics ) will keep you updated
  
Post #11531815th Sep 2013 5:21 pm
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euangibson
 


Member Since: 24 Dec 2010
Location: Borders
Posts: 10727

Scotland 2012 Discovery 4 3.0 SDV6 HSE Auto Firenze RedDiscovery 4

I hadn't really noticed that until you mentioned it.....mine sends a jerk through the car also,which I don't remember the D3 doing.....I can't honestly remember if it did it before the gearbox software update Confused
Will be interested in your findings...
 "Better to remain silent and be thought a fool,than to speak out and remove all doubt" ?.....what rubbish...

Locking rear E-diff
RLD spare wheel protector & sump guard
Extended roof rails
Series 111 mudflaps
Black side tubes,grill and vents
Timed climate remote
Hids4u interior lights

D4 Firenze my2012 HSE
D3 Java 2005 SE manual (sold,sadly,thanks for the memories)
1966 '88 Series 2a....still starts in the morning better than I do... 
 
Post #11531885th Sep 2013 5:40 pm
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Robbie
 


Member Since: 05 Feb 2006
Location: ¯\_(ツ)_/¯
Posts: 17718

United Kingdom 2013 Discovery 4 3.0 SDV6 HSE Auto Baltic BlueDiscovery 4

No idea if I can reset the transfer box. My Hawkeye does not have this and I have not seen it the IID Tool menu either (gearbox yes, transfer box not seen).

I could feel it engage on my D3 but it was more subtle. The main clue was the increase in brake pedal required and feeling the transmission taking the load. I've driven a few D4s inc the D4s at the LRE and they do not shudder on engagement to the extent mine does.

I've yet to test the 4x4 capability of my D4, that usually comes in winter and visiting friends in the hills of Wales, so this may have been with me since new.
 Land Rover - Turning Drivers into Mechanics Since 1948

Battery & Quiescent Current Drain Testing

Diagnostics for:
Defender, FL2, D3, D4, Evoque, RRS & FFRR
A not-for-profit enterprise


 
 
Post #11531955th Sep 2013 5:54 pm
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DG
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Member Since: 12 Dec 2005
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United Kingdom 

I used mine at the PNC and it was fine ...but I'll check it again later
  
Post #11532135th Sep 2013 6:22 pm
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euangibson
 


Member Since: 24 Dec 2010
Location: Borders
Posts: 10727

Scotland 2012 Discovery 4 3.0 SDV6 HSE Auto Firenze RedDiscovery 4

I have actually just gone out and tried this again Embarassed ...and yes, it is a much more aggressive process than on my D3 Confused
Tbh I don't regularly exercise the trf box,so I too,cannot be sure ....but I do know I couldn't hear or feel the D3 change ratio to the extent that my D4 does it.....bit concerned that your wife noticed a smell Shocked ...at the very least Id suggest your transfer box oil needs changed now,and hopefully a re-calibration of the ecu is all that's needed Thumbs Up
 "Better to remain silent and be thought a fool,than to speak out and remove all doubt" ?.....what rubbish...

Locking rear E-diff
RLD spare wheel protector & sump guard
Extended roof rails
Series 111 mudflaps
Black side tubes,grill and vents
Timed climate remote
Hids4u interior lights

D4 Firenze my2012 HSE
D3 Java 2005 SE manual (sold,sadly,thanks for the memories)
1966 '88 Series 2a....still starts in the morning better than I do... 
 
Post #11532145th Sep 2013 6:22 pm
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euangibson
 


Member Since: 24 Dec 2010
Location: Borders
Posts: 10727

Scotland 2012 Discovery 4 3.0 SDV6 HSE Auto Firenze RedDiscovery 4

Edited to say you transfer box oil needs changed,not your transfer box Shocked
 "Better to remain silent and be thought a fool,than to speak out and remove all doubt" ?.....what rubbish...

Locking rear E-diff
RLD spare wheel protector & sump guard
Extended roof rails
Series 111 mudflaps
Black side tubes,grill and vents
Timed climate remote
Hids4u interior lights

D4 Firenze my2012 HSE
D3 Java 2005 SE manual (sold,sadly,thanks for the memories)
1966 '88 Series 2a....still starts in the morning better than I do... 
 
Post #11532185th Sep 2013 6:29 pm
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Robbie
 


Member Since: 05 Feb 2006
Location: ¯\_(ツ)_/¯
Posts: 17718

United Kingdom 2013 Discovery 4 3.0 SDV6 HSE Auto Baltic BlueDiscovery 4

Hmmm, subjectively it seems better the more I use it. Perhaps it just needs bedding in when new and unused??

Anyway, cleared the codes and exercised the car, gearbox and transfer box. On returning home the car is showing zero faults (famous last words).

Guess I need to keep an eye on it for a while but if anyone has experience of these codes I am all ears.
 Land Rover - Turning Drivers into Mechanics Since 1948

Battery & Quiescent Current Drain Testing

Diagnostics for:
Defender, FL2, D3, D4, Evoque, RRS & FFRR
A not-for-profit enterprise


 
 
Post #11532765th Sep 2013 8:06 pm
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DN
D3 Decade 


Member Since: 24 Jun 2006
Location: W.London.
Posts: 1785

United Kingdom 2006 Discovery 3 TDV6 Base 7 Seat Auto Zambezi SilverDiscovery 3

Has the whining in L reverse gone away Robbie? If it hasn't I would suggest demonstrating it at the dealership.
  
Post #11532825th Sep 2013 8:16 pm
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Hairy Dan
 


Member Since: 19 Jan 2011
Location: Co. Durham
Posts: 12110

United Kingdom 2016 Discovery 4 3.0 TDV6 Landmark LE Auto Santorini BlackDiscovery 4

I have had the g/box update done and shifting from high/low is normal although I do use my low box quite a lot Thumbs Up
 Cheers Ian
--------------------
Club N.E.R.D.S
Kielder 4x4 Safari
Discoless 
 
Post #11532865th Sep 2013 8:21 pm
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Robbie
 


Member Since: 05 Feb 2006
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Posts: 17718

United Kingdom 2013 Discovery 4 3.0 SDV6 HSE Auto Baltic BlueDiscovery 4

DN wrote:
Has the whining in L reverse gone away Robbie? If it hasn't I would suggest demonstrating it at the dealership.


It's much less than it was and I suspect if it had been as unobtrusive as it is now then I would not have noticed it.

Had a good crawl under the car and all looks fine. Will try the more demanding TR modes tomorrow, otherwise it will look more like Curb Crawl than Rock Crawl.

Self-curing problems worry me!
 Land Rover - Turning Drivers into Mechanics Since 1948

Battery & Quiescent Current Drain Testing

Diagnostics for:
Defender, FL2, D3, D4, Evoque, RRS & FFRR
A not-for-profit enterprise


 
 
Post #11533225th Sep 2013 8:57 pm
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petersw
 


Member Since: 17 Nov 2012
Location: Norfolk
Posts: 1135

United Kingdom 2013 Discovery 4 3.0 SDV6 HSE Auto Orkney GreyDiscovery 4

My car is diagnosed as "intermittent fault on control box" a new one is on order and will be fitted as soon as!
  
Post #11535166th Sep 2013 9:32 am
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