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AUTO gear box slipping
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Boringoldgit
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Member Since: 27 Nov 2012
Location: Southampton
Posts: 2534

United Kingdom 2005 Discovery 3 TDV6 SE Auto Bonatti GreyDiscovery 3

jasminjamil

This is a common problem on this vehicle, a full oil flush may help but if you have experienced bad judder for a long time then you may well end up having a new Torque Converter or perhaps even a new transmission.

The judder is likely caused by the Torque Converter not locking up.

Adding of the Dr Tranny or changing the oil is often done too late, despite Land Rover having said the box is sealed for life you could prolong the life by changing the oil earlier.

The motor industry has long said that oil changes can cause failure, this is not quite true a transmission that fails after an oil change was one about to fail anyway, ignoring your problem will not make it go away. Try the flush but be prepared to invest in new parts if it does not help you.
 Paul Redding
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Post #12476975th Mar 2014 10:37 am
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jimbo1981
 


Member Since: 25 Oct 2013
Location: Harare
Posts: 108

South Africa 2005 Discovery 3 TDV6 HSE Auto Zambezi SilverDiscovery 3

I cant imagine that a megaflush would damage the valve body? The machinery is simply pumping ATF through your system at the same pressure that it normally circulates at.

Interested to know if a megaflush (and pan/filter change) fixes your problem - I have read a lot that once Dr Tranny has been used, if the judder returns, its time for a hardware replacement.
 2005 Discovery 3 2.7 TDV6 HSE (Auto)  
Post #12477005th Mar 2014 10:37 am
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Disco_Mikey
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Member Since: 29 May 2007
Location: Dundee, Scotland
Posts: 16162

Scotland 2005 Discovery 3 TDV6 HSE Auto Cairns BlueDiscovery 3

There has been a lot of discussion about the Autobox oil in the past few weeks.

LR state 150k miles

ZF (who build the gearbox) state 75k miles

However, there are some places who have tested the oil, and say that it starts to degrade around the 60k mile mark
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Post #12477025th Mar 2014 10:42 am
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jasminjamil
 


Member Since: 05 Jul 2013
Location: Penang
Posts: 9

Malaysia 2006 Discovery 3 TDV6 SE Auto Bonatti GreyDiscovery 3

Boringoldgit wrote:
jasminjamil

This is a common problem on this vehicle, a full oil flush may help but if you have experienced bad judder for a long time then you may well end up having a new Torque Converter or perhaps even a new transmission.

The judder is likely caused by the Torque Converter not locking up.

Adding of the Dr Tranny or changing the oil is often done too late, despite Land Rover having said the box is sealed for life you could prolong the life by changing the oil earlier.

The motor industry has long said that oil changes can cause failure, this is not quite true a transmission that fails after an oil change was one about to fail anyway, ignoring your problem will not make it go away. Try the flush but be prepared to invest in new parts if it does not help you.



Hi Steve,

Thank you for your respond. Changing transmission oil is like prevention and additive in this case, in for temporary relief.

The judder only occur when the I've driven them for at least 50km. That will get the transmission temperature going before the symptom occur. Bear in mind that the ambient temperature here is like 40 degrees to 45 degrees celcius.

I believe my 2003 E66 uses the same 6HP26, but after 220k km it is still running perfectly. I have changed transmission oil once so far. (I think i should change them again on the next oil change)

Could this mean the cooling system in the BMW is more effective than the LR3?
  
Post #12477725th Mar 2014 1:34 pm
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jasminjamil
 


Member Since: 05 Jul 2013
Location: Penang
Posts: 9

Malaysia 2006 Discovery 3 TDV6 SE Auto Bonatti GreyDiscovery 3

jimbo1981 wrote:
I cant imagine that a megaflush would damage the valve body? The machinery is simply pumping ATF through your system at the same pressure that it normally circulates at.

Interested to know if a megaflush (and pan/filter change) fixes your problem - I have read a lot that once Dr Tranny has been used, if the judder returns, its time for a hardware replacement.


Hi Jimbo,

Thank you so much for your reply. I think it left me no choice but to insist the mechanic to do a full mega flush.

Need advice on the steps. No matter which way I rearrange them, still doesn't sound right.
1. Drain out existing oil via sump.
2. Remove sump / filter / pan
3. Put in new pan
4. Top my new oil until spill out from the filler
5. Run engine and keep topping up until overflow
6. Close filler.
7. Connect oil cooler to mega flush machine
8. Run machine until drained out oil is as good as the new oil.

Confused.
  
Post #12477785th Mar 2014 1:43 pm
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Disco_Mikey
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Member Since: 29 May 2007
Location: Dundee, Scotland
Posts: 16162

Scotland 2005 Discovery 3 TDV6 HSE Auto Cairns BlueDiscovery 3

While the filters tend not to get clogged up, it seems a shame to run old, dirty oil through a new filter...

At the same time though, it seems a waste to drop clean oil to change the filter...

Can't win either way Laughing
 MMP Land Rover - Land Rover + Range Rover Specialist
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Unit 9, 42 Baird Avenue
Dundee
DD2 3TN

Alive Tuning Authorised Dealer - Performance Tuning + EGR Delete

Servicing + Repairs / Fault Diagnostics / EU3+EU4 EGR Blanking / Timing Belt + Oil Pump Replacement

Software Updates+Upgrades:
4x4 Info Enable / Sat Nav OTM / 3 Flash indicators / D4 Timed Climate Retrofit

My D3 Build Thread 
 
Post #12477825th Mar 2014 1:49 pm
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jasminjamil
 


Member Since: 05 Jul 2013
Location: Penang
Posts: 9

Malaysia 2006 Discovery 3 TDV6 SE Auto Bonatti GreyDiscovery 3

By the way, in case if I need to buy a good rebuilt gearbox or torque converter, could you be kind to let me know where to get it?

Many thanks.
  
Post #12478045th Mar 2014 2:22 pm
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Whooooooosh
 


Member Since: 17 Feb 2014
Location: Southampton
Posts: 36

United Kingdom 2006 Discovery 3 TDV6 HSE Auto Buckingham BlueDiscovery 3

Hi,

I had a few problems with the car jumping out of gear and over revving. Also the gear selector was very stiff on my 2006 D3 with 118K on the clock.

Today I had the Auto box lever pivot replaced and a Wynn's transmission flush finished off with a dose of Dr Tranny.

The ATF that came out was black and after about 12 litres of new fluid was drawn through the system what came out was lovely and golden. I likened it to the colour of ground nut oil.

After the treatment the gears engaged faultlessly and the over revving had ceased.

Highly recommended.
  
Post #12479425th Mar 2014 5:52 pm
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geoff.
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Member Since: 24 Jan 2010
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Posts: 8429

England 

good to meet you today and the first car I've been into with absolutely no faults on the transmission Thumbs Up
 

IID PRO M/V LICENCE DIAGNOSTICS EQUIPMENT & D3,D4,RRS FORTRON TRANSMISSION FLUSHING & POWER STEERING FLUSHING
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Post #12480515th Mar 2014 7:35 pm
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L1RNJ
 


Member Since: 25 Mar 2014
Location: Birmingham
Posts: 10

United Kingdom 2005 Discovery 3 TDV6 HSE Auto Zambezi SilverDiscovery 3

Message for Geoff, the hero mega flusher.

do you stretch as far as south Birmingham? Im in need of a flush... well my car is.
  
Post #125893926th Mar 2014 12:07 am
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gensetsteve
 


Member Since: 01 Jan 2014
Location: hampshire
Posts: 340

United Kingdom 2011 Discovery 4 3.0 TDV6 Commercial Auto Belize GreenDiscovery 4

Could the judder/ glazing of the clutch bands be something to do with the very high quality oil now used. Does it protect the bearings better but over protect the cluches. Does anyone towing hard get these problems. Could towing possibly keep these problems at bay until everything flys out the side. Very Happy Geoff I need to save the pennies and get you into flush mine towed it up to 68k now done at least 2000 miles in the last 7 days.
 D4  
Post #125950526th Mar 2014 8:57 pm
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waterbuoy
 


Member Since: 26 Oct 2013
Location: Argyll
Posts: 1988

United Kingdom 2009 Discovery 3 TDV6 SE Auto Stornoway GreyDiscovery 3

I assume that you have seen this thread Steve?

http://www.disco3.co.uk/forum/topic108824....o+flushing

Whilst I don't tow asmuch as you, my vehicle is worked quite hard

Yours may JUST be in range
 Currently 2009 Disco 3 SE and 2013 MY D4 HSE
Previously:
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300TDi Disco 1 (289k)
4 RR Classics (300-350k each, 2 manual, 2 auto)
110 V8 CSW (220k)
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Post #125951326th Mar 2014 9:01 pm
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gensetsteve
 


Member Since: 01 Jan 2014
Location: hampshire
Posts: 340

United Kingdom 2011 Discovery 4 3.0 TDV6 Commercial Auto Belize GreenDiscovery 4

yes thanks read it through about a week ago. Next big thing to fail will get repaired then it gets sold. Just dont need the pain will be another Amazon on the drive . If I spend more than £500 every 10,000 miles on any vehicle apart from servicing its binned. I may get a down rated twin wheel iveco van next.
 D4  
Post #125969327th Mar 2014 5:25 am
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TdV6Pete
 


Member Since: 10 Aug 2012
Location: Rutland
Posts: 415

United Kingdom 2005 Discovery 3 TDV6 SE Auto Tonga GreenDiscovery 3

Where do you fill the gearbox oil up from? I want to a) check the oil level, and then b) add some more if its low.
Found lots of info on people doing it, but no one says HOW and WHERE to fill it up (inc pictures would be ideal)

Cheers!
 2inch Lift, 33inch Cooper STTs, Wheel Spacers, Hidden Champion 9000lbs Winch with recovery points, Full Underbody Protection including Rear Bumper Guard, Rock Sliders, Snorkel, 4x4 screen enabled and Sat Nav on the move (thanks to Bodsy), Discreet LED roof lights, LED work light, BAS Re-map and EGR's blanked, V8 Brake upgrade with Grooved, Drilled and Slotted Brakes, Halo Fog Lamps, Roof Rack, 240V Inverter, CB radio and finally a Swing away wheel carrier with Hi-Lift mount...  
Post #125975727th Mar 2014 9:32 am
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bsm
 


Member Since: 14 May 2012
Location: Ellikom
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Belgium 2008 Discovery 3 TDV6 HSE Auto Alaska WhiteDiscovery 3

http://www.disco3.co.uk/forum/topic108447.html
First picture, red arrow.
 2013: Discovery 3 TDV6 HSE aut. of 2008, white, Britpart treesliders, IIDTool, RLD sump guard, BFG KM2 265/70R17, adj. rods, BAS remap + EGRs blanked, silicon IC hoses.
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Post #125995327th Mar 2014 2:50 pm
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