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HTB



Member Since: 24 Mar 2013
Location: Surrey
Posts: 72

United Kingdom 2012 Defender 90 Puma 2.2 HT Buckingham Blue
Transfer box removal instructions
I can’t ignore my leaky transfer box any more on my 2012 2.2 XS Utility and it’s time to change the seals and get it sorted, at least for a bit ( because getting a resleeve for the input shaft by Ashcroft looks like it wouldn’t happen until January).

Despite looking I’ve not found a decent set of instructions or video to help me ‘f and blind’ for the day as I take it out, do the seals and manhandle it all back Into place. Is anyone aware of a good set of instructions or video (tucked away on you tube that I can’t see) - will be doing it on the drive, probably in fog/frost/sleet raised on big axle stands to give me a bit of room to properly skin my knuckles and really don’t want to make a hash of it... ( you may sense a slight negativity around the thought of having to do this).

Thanks,

H
Post #870202 29th Nov 2020 12:25am
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Badger110



Member Since: 06 Feb 2018
Location: South hams
Posts: 1039

United Kingdom 2011 Defender 110 Puma 2.4 USW Buckingham Blue
memories of 4x2 wood across the seats and ratchet straps slung down and around the box spring to mind when i took mine out the old 200tdi.

They aren't too difficult once you've removed everything attached to them, however you're box is a different beast to the old ones, but the knuckle scrapes and swearing will be the same Laughing

Hopefully someone who has done one recently will be along with pearls of wisdom for you Thumbs Up
Post #870203 29th Nov 2020 12:32am
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Dinnu



Member Since: 24 Dec 2019
Location: Lija
Posts: 3525

Malta 2012 Defender 90 Puma 2.2 CSW Santorini Black
Done mine single handed last summer. Did not even lift the Defender off its wheels as need to work from both inside and from below. For the heavy transfer box, made an adapter that bolts to the bottom plate of the transfer box and bolts to a trolley jack.
Here is a summary how I went about to remove it (I might have missed some steps in my list). Oil needs ti be drained.
1. Remove cubby box, and middle seat box cover plate. Also removed transmission tunnel cover.
2. Remove center exhaust box.
3. Remove prop shafts. I decided to remove also from final drive units so that they are not in the way.
4. Remove handbrake drum (this makes handling of the box far easier). Handbrake lever needs to be removed in step 1.
5. Disconnect hi/low and diff lock.
6. Release exhaust temperature sensors and harness from brackets.
7. Undo 5 bolts/ nuts from studs.
8. Slide back and lower to ground.

Re assembly is basically same in reverse. I opted to replace 2 of the lower bolts that couple it to the adaptor housing by studs. Those where installed with loctite for a good oil seal. If using the original bolts, then also need to use some seal on the threads. Also note the length if the bolts, as mounting longer bolt in the wrong hole will foul with the intermediate gear.

Just be sure that you work safe. The transfer box is damn heavy. 1988 90 Hard Top, 19J Diesel Turbo, Shire Blue - Restoration ongoing
2012 90 CSW, 2.2TDCI, Santorini Black
Post #870221 29th Nov 2020 8:46am
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stew 46



Member Since: 26 Jan 2012
Location: Wadebridge ,cornwall .
Posts: 561

England 2010 Defender 110 Puma 2.4 USW Bonatti Grey
My mobile fitter done mine a few months ago in my unit but only got a few pics of the corroded shaft



Click image to enlarge



Click image to enlarge



Click image to enlarge



Click image to enlarge


Had to replace the shaft as corroded

This had also been done a couple of months before by a garage for it went up for sale and they didn’t replace the shaft !! , but lucky I had 6 months warranty and they covered the cost Thumbs Up
Post #870224 29th Nov 2020 8:59am
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jst



Member Since: 14 Jan 2008
Location: Taunton
Posts: 8206

 2011 Defender 110 Puma 2.4 USW Stornoway Grey
I have done 4 in last 12mths on my own at home.

On puma you don't need to take anything out on the top side, just disconnect t box high low linkage, ball joint, push on/off after pulling out locking cap. Diff lock just undo nut on top of box.

Do both above once front prop is off for ease of access, other wise follow list as above.

Don't put vehicle too high, it further to reach up to do the job and lift t box up/down.

I also did mine with wheels on.

I just manhandled mine up and down. Used some long studs to aid refitting in correct location.

Hsndbrake, leave cable connected , just take drum and then back plate off and cable tie assembly complete up out of way. After prop only 5 bits to undo to achieve this.

Its half a days work remove/refit plus any time to fit seals etc. Cheers

James
110 2010 XS Utility
130 2011 M57 bespoke Camper
90 2010 Hardtop
90 M57 1988 Hardtop
Post #870232 29th Nov 2020 10:03am
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blackwolf



Member Since: 03 Nov 2009
Location: South West England
Posts: 17698

United Kingdom 2007 Defender 110 Puma 2.4 DCPU Stornoway Grey
When I did my '07 110 I left the propshafts on, just released the t-box end and tied them out of the way, didn't need to do anything to the exhaust, and tied up the handbrake backplate assembly as described above. I left the vehicle on its wheels, and used the genuine LR adaptor to bolt thet-box to a transmission jack. You'll find it helps (but is not essential) to have a set of alignment studs to help refit the t-box to the gearbox without damaging the input shaft seal.

It's really not a difficult job but bear in mind that although it's not very heavy dropping the t-box on any part of you anatomy could cause life-changing injury.
Post #870238 29th Nov 2020 10:42am
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jst



Member Since: 14 Jan 2008
Location: Taunton
Posts: 8206

 2011 Defender 110 Puma 2.4 USW Stornoway Grey
its very unbalanced making it awkward but not overly heavy. a bench press up and onto the longer studs to align it works well, or use trolley jack as above.

exhaust, will depend if its a 90/110. 110 one can be worked around easily, middle box can be in the way on a 90. Cheers

James
110 2010 XS Utility
130 2011 M57 bespoke Camper
90 2010 Hardtop
90 M57 1988 Hardtop
Post #870251 29th Nov 2020 12:28pm
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HTB



Member Since: 24 Mar 2013
Location: Surrey
Posts: 72

United Kingdom 2012 Defender 90 Puma 2.2 HT Buckingham Blue
Thank you - seals should be here in the next day or so, so I’ll get myself together and try and get it sorted in the next week or so....

H
Post #870992 2nd Dec 2020 9:30pm
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