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isacs



Member Since: 28 Aug 2015
Location: Leamington spa
Posts: 404

United Kingdom 
Transfer box swap
So I'm planning on doing transfer box swap with a 1.2 ratio. Couple of things, being mine is a 2005 td5 is it a big issue that the replacement unit is from a tdi disco? I've read people saying about warning buzzer issues but mine only has a difflock light on the dash when it's engaged and a map altering switch?? . I'm also contemplating doing it myself. Or should I just pay the local land rover specialist to do since by all accounts some bits may need to be swapped across because of the tdi-td5 differences??
Post #528797 3rd May 2016 1:45pm
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barbel jim



Member Since: 12 Dec 2012
Location: Northants
Posts: 1432

United Kingdom 2005 Defender 90 Td5 HT Tonga Green
its just heavy and awkward ! did mine myself. just needed the wife to tweek the drive shaft as i bench pressed up the box Rolling with laughter remember to swap the speado drive, and fit a new genuine oil seal Thumbs Up Depending what plugs are on the new box, but I lost illumination and the throttle response with my swap. you can swap the casings, but alot of faf !!
Post #528858 3rd May 2016 7:12pm
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isacs



Member Since: 28 Aug 2015
Location: Leamington spa
Posts: 404

United Kingdom 
What do you mean by illumination?
Post #528868 3rd May 2016 7:50pm
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barbel jim



Member Since: 12 Dec 2012
Location: Northants
Posts: 1432

United Kingdom 2005 Defender 90 Td5 HT Tonga Green
Dash illumination, showing diff lock engaged Thumbs Up
Post #528926 3rd May 2016 9:22pm
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Mo Murphy



Member Since: 01 Jun 2008
Location: Letchworth Garden City, Herts
Posts: 2270

United Kingdom 1984 Defender 90 BMW M57 3.0 Diesel HT Auto Pennine Grey
Jim, why did you lose your diff lock light ? The switch is there unless you fitted a later disco 2 example.
If so that's a lesson that the OP can learn from.

Mo The Land Rover 90 - Many are called, few are chosen.

50 Shades of Pennine Grey
Post #528982 4th May 2016 8:08am
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barbel jim



Member Since: 12 Dec 2012
Location: Northants
Posts: 1432

United Kingdom 2005 Defender 90 Td5 HT Tonga Green
My transferbox was out a v8 disco, so had a slightly different casing without the plugs. You could swap the casing over as they are interchangeable. I just taped up the plugs on the defender and lefts as. I'll know when I'm using the diff. The other missing plug relates to the low range map,making the throttle pedal less sensative, again something you can drive round👍
Post #528985 4th May 2016 8:19am
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steventheplumber



Member Since: 29 Apr 2014
Location: Lincolnshire
Posts: 767

England 1987 Defender 90 200 Tdi HT Keswick Green
Havea a disco transfer box in my 90 with tdi engine . much smoother and quieter.
Post #529026 4th May 2016 10:40am
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isacs



Member Since: 28 Aug 2015
Location: Leamington spa
Posts: 404

United Kingdom 
Is there any issue if the new box comes from an auto disco?
Post #529036 4th May 2016 11:00am
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barbel jim



Member Since: 12 Dec 2012
Location: Northants
Posts: 1432

United Kingdom 2005 Defender 90 Td5 HT Tonga Green
IIRC there are a few issues with some variants. I think I'm correct in saying that some disco 2 boxes don't have the internals for the diff lock

Bit of useful reading

http://www.defender2.net/forum/topic26066....r+box+swap
http://www.defender2.net/forum/topic42513.html?
http://www.defender2.net/forum/topic39982....r+box+swap
Post #529150 4th May 2016 7:54pm
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jabber



Member Since: 10 Jun 2009
Location: Colorado
Posts: 17

United States 1986 Defender 110 Other SW Oslo Blue
Like the top end quietness/reduced revs at speed.

Dislike riding the clutch more upon takeoff. Need to map it to help this, i hear.
Post #529169 4th May 2016 8:49pm
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isacs



Member Since: 28 Aug 2015
Location: Leamington spa
Posts: 404

United Kingdom 
Barbel...thanks for that very helpful indeed!! 👍👍
Post #529177 4th May 2016 9:08pm
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drakes



Member Since: 09 Oct 2009
Location: Hexham
Posts: 113

United Kingdom 2004 Defender 90 Td5 HT Auto Belize Green
Had a 1.2 box out of a Range Rover classic ( so you get the viscous centre diff ) in my TD5 90 auto for years now and it is a great mod to do. As said above just a bit heavy and fiddly to do but simple enough.
Post #529423 5th May 2016 8:50pm
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miker



Member Since: 13 Sep 2015
Location: Surrey
Posts: 1768

United Kingdom 1999 Defender 110 Td5 CSW Rioja Red
Having dropped the whole gearbox/tcase assembly on mine once, do you have to drop the lot, or can you just drop the tcase off the back of the gearbox?
Post #529443 5th May 2016 9:48pm
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blackwolf



Member Since: 03 Nov 2009
Location: South West England
Posts: 17538

United Kingdom 2007 Defender 110 Puma 2.4 DCPU Stornoway Grey
I find it easier to remove the t-box first, then the main box.

If you have the luxury of a four-post lift and a tall transmission jack it might be quicker to do them together, but the whole thing is brutal to manoeuvre on your own.
Post #529471 6th May 2016 7:20am
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miker



Member Since: 13 Sep 2015
Location: Surrey
Posts: 1768

United Kingdom 1999 Defender 110 Td5 CSW Rioja Red
Laughing

Dropped the whole assembly, on the floor, in the rain, and back in in a day! Did have an enginer crane poking through the passenger door admittedly and holding through the trans tunnel. Also had 2 helpers!
Post #529503 6th May 2016 9:27am
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