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DISCO3.CO.UK > Technical (D3)

Auto gearbox slip and clunk

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wizz

Member Since: 29 Jan 2009
Location: somerset
Posts: 94

2005 Discovery 3 TDV6 HSE Auto Bonatti Grey

Auto gearbox slip and clunk

Had this happen a few times ... Going slowly brake then A little slowing down to about 10 mph then accelerate but gearbox does not engage as if it's in neutral then after a couple of seconds engages.

I can't repeat this by doing the above but have noticed when trying to that sometimes when I accelerate after breaking slightly that they gearbox clucks as it re engages Most of the time it does not do this.

Car has got 72 k miles and gearbox oil was changed last year, any ideas what's causing the above thanks 2005 HSE TDV6 in Bonatti Grey

2nd Mar 2015 9:54 pm

geoff.

Member Since: 24 Jan 2010
Location: West kent
Posts: 8531

check your gear linkage

2nd Mar 2015 9:59 pm

wizz

Member Since: 29 Jan 2009
Location: somerset
Posts: 94

Thanks, see next post 2005 HSE TDV6 in Bonatti Grey

Last edited by wizz on 3rd Mar 2015 12:28 am. Edited 1 time in total

3rd Mar 2015 12:25 am

wizz

Member Since: 29 Jan 2009
Location: somerset
Posts: 94

geoff. wrote:
check your gear linkage

Thanks just wondering why the linkage would cause this problem 2005 HSE TDV6 in Bonatti Grey

3rd Mar 2015 12:26 am

Oswiperus
D3 Decade

Member Since: 02 Apr 2010
Location: Chelmsford, Essex
Posts: 1597

2005 Discovery 3 TDV6 SE Auto Java Black

Gear change cable linkage can stiffen up causing these sort of problems.

Take a look at this link.

http://www.disco3.co.uk/forum/topic31656.html

Stu.

3rd Mar 2015 12:52 am

wizz

Member Since: 29 Jan 2009
Location: somerset
Posts: 94

Booked in next week to get linkage changed however now getting worse with transmission fault displayed plus when I brake when going slowly I'm noticing that the 'D' in the dash goes out briefly is this another problem I wonder dud I read about a faulty brake light can cause tranmussion faults 2005 HSE TDV6 in Bonatti Grey

11th Mar 2015 2:56 pm

Rich84

Member Since: 26 Jun 2013
Location: South Australia
Posts: 238

Definitely change your brake switch and bulbs before doing anything else. The linkage could be playing a part too but definitely start with those two things - cheap and well known to cause problems. If not them, you have some spares to keep in the boot. 2008 RRS TDV6 - Chawton White/Black/Lined Oak - 20's, h/k, sunroof - 350K KM.
2010 Audi A6 3.0T S-Line - Phamtom Black/exclusive 2-tone valcona 184K
2000 Audi A4 avant 1.8t Q Sport - Phantom Black/black 385K KM
1990 Nissan Pintara TRX - red - lots of mods - 439K KM

11th Mar 2015 11:15 pm

wizz

Member Since: 29 Jan 2009
Location: somerset
Posts: 94

It was the pivot lever causing the problem - lots of corrosion and it was seized. Took it up to my local specialist this morning with the parts he was very sceptical that this would fix the issue but I said can you change them anyway because disco3 forum says this what it is. Anyway went up to collect it and he was eating his words and said it was the pivot lever after all, he's been working on disco's for years and it's the first time he has seen this! I thought the gear lever wasn't stiff but looks like it was as it now moves much more easily I guess it must of got stiffer over time and I hadn't noticed it.

Anyway a big thank you once again to disco3 2005 HSE TDV6 in Bonatti Grey

17th Mar 2015 9:23 pm

maplecottage

Member Since: 01 Feb 2011
Location: Norfolk
Posts: 3171

2006 Discovery 3 TDV6 HSE Auto Java Black

Had exactly the same a couple of weeks ago, lots of lube and new linkage ordered from AF.

All sorted.

17th Mar 2015 9:26 pm

geoff.

Member Since: 24 Jan 2010
Location: West kent
Posts: 8531

geoff. wrote:
check your gear linkage

always check the cheapest fix first

17th Mar 2015 9:31 pm

Oswiperus
D3 Decade

Member Since: 02 Apr 2010
Location: Chelmsford, Essex
Posts: 1597

Excellent result.

17th Mar 2015 9:49 pm

wightpaul

Member Since: 19 Mar 2011
Location: Little rock in the channel
Posts: 4

2005 Discovery 3 TDV6 HSE Auto Zambezi Silver

Could sum1 plz explain a little why linkage would do OP post fault plz. As once in gear the linkage has done its job and any slip would be in the gearbox with potential clonks in the driveline.
Thx
Confused '55' D3 TDV6 HSE
'78' SIII lightwight

Which way up??

23rd Jun 2015 6:04 pm

Disco_Mikey

Member Since: 29 May 2007
Location: Dundee, Scotland
Posts: 20803

2005 Discovery 3 TDV6 HSE Auto Cairns Blue

Because it is seized, there is always tension on the cable, which drags it out of gear

My D3 Build Thread

TDV8 Retrofit Build Thread

23rd Jun 2015 6:06 pm

wizz

Member Since: 29 Jan 2009
Location: somerset
Posts: 94

I also noticed before I took it to the dealer that if it was in drive I could simulate the fault by moving the gearlever very slightly i.e. Only by 1 mm and it would slip into neutral so another way of spotting that it's the pivot fault causing the issue. 2005 HSE TDV6 in Bonatti Grey

26th Oct 2015 8:56 pm

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