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dioliahary



Member Since: 18 Jan 2015
Location: Manchester
Posts: 668

Scotland 
Transfer box output seal renewal
Last time I did this task I had to take it to my mates garage and stick it on the ramp as the 30mm nut was a Censored Censored to undo, in the end an air impact gun did the trick.

Now after putting a disco box in I need to change the seal on this one.

Have you done this job on the drive. Was I just unlucky with the first one in that it was so tight?

Was thinking of getting a cordless impact driver, half inch, but not confident that it will have the torque shock to loosen.
Post #634247 28th Jun 2017 8:13pm
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dorsetsmith



Member Since: 30 Oct 2011
Location: South West
Posts: 4554

Have you done this job on the drive. yes


Was I just unlucky with the first one in that it was so tight? no

Was thinking of getting a cordless impact driver, half inch, but not confident that it will have the torque shock to loosen. if hold drive flange with flat bar and bolts

LRT-51-003

http://www.defender2.net/forum/topic54335.html

front and back flanges are different


tighten up 20mm nut (162Nm ) for TDI 300 defender transfer box


Last edited by dorsetsmith on 29th Jun 2017 8:41am. Edited 1 time in total
Post #634314 29th Jun 2017 7:48am
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blackwolf



Member Since: 03 Nov 2009
Location: South West England
Posts: 17391

United Kingdom 2007 Defender 110 Puma 2.4 DCPU Stornoway Grey
I have done it on the drive (more than once) and never had trouble with the flange nuts.

Do you have a suitable tool to hold the flange when you undo the nut?
Post #634321 29th Jun 2017 8:25am
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dioliahary



Member Since: 18 Jan 2015
Location: Manchester
Posts: 668

Scotland 
No unfortunately
Post #634341 29th Jun 2017 10:00am
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blackwolf



Member Since: 03 Nov 2009
Location: South West England
Posts: 17391

United Kingdom 2007 Defender 110 Puma 2.4 DCPU Stornoway Grey
Take a length of flat bar or angle of a suitable length and drill two holes to fit over the flange bolts, making sure, of course, that you can still get to the retaining nut.

It is much easier to remove the nut if you can hold the flange completely stationary.
Post #634361 29th Jun 2017 11:38am
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dioliahary



Member Since: 18 Jan 2015
Location: Manchester
Posts: 668

Scotland 
Good news, broke the nut loose however the seal does not seem right, I have retrofitted the transfer box to a Discovery transfer box.

Too late to take a picture but there seems to be a cup which requires removing before the seal can be flipped out... Question
Post #634531 29th Jun 2017 9:29pm
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dioliahary



Member Since: 18 Jan 2015
Location: Manchester
Posts: 668

Scotland 
I think it's a oil catcher/ dust catcher, does it knock off
Post #634533 29th Jun 2017 9:32pm
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dorsetsmith



Member Since: 30 Oct 2011
Location: South West
Posts: 4554

Post #634585 30th Jun 2017 7:58am
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dioliahary



Member Since: 18 Jan 2015
Location: Manchester
Posts: 668

Scotland 
Spot on, thanks will finish off tonight
Post #634649 30th Jun 2017 11:47am
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sako243



Member Since: 08 Jul 2014
Location: Wales
Posts: 1218

Wales 1994 Defender 110 300 Tdi CSW Alpine White
I've not had experience of this particular job but for those questioning whether an impact hammer will have enough grunt to undo it. Depends on the model but almost certainly. I've got a Milwaukee 1/2" impact hammer and that's truly astonishing what it will undo (rated to 1600+Nm for undoing nuts).

Two examples of what it's capable of:
1. Colleague at work borrowed it to get the wheel nuts off his TE20 tractor, he'd managed to bend a 1/2" breaker bar and scaffolding pole in previous attempts. Tried the low torque setting, nothing. High torque and nut simply spun straight off with very little resistance he said.

2. I had a split pin snap on me on the anti-roll bar on the Defender as the centre was seized in I couldn't be bothered to drill it out so thought what the hell... Whacked a socket over the top of it, put the impact hammer on it and it didn't break a sweat (don't think it even used the impact bit, simply the torque from the motor) and sheered the rest of the pin internally and spun the nut off. Ed
82 Hotspur Sandringham 6x6
95 Defender 110 300Tdi
Post #634662 30th Jun 2017 12:30pm
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zsd-puma



Member Since: 09 Aug 2016
Location: Kent
Posts: 2720

United Kingdom 2010 Defender 110 Puma 2.4 USW Santorini Black
Quote:
Was thinking of getting a cordless impact driver, half inch, but not confident that it will have the torque shock to loosen.


It depends on the gun, the cheap anybrand ones possibly not, but i have a large Dewalt 18v one and that thing with snap M8 bolts like they're made from chocolate. It has imense amounts of torque and will either undo or sheer off any fixing you'll find on a Defender.

Another way might do it, is chock the wheels, disconnect both props, and engage diff lock. Put a socket and long bar on the nut and wedge it against the revolution either against the floor or the chassis rail. Then stick it in gear and use the starter to crack it off.
Post #634672 30th Jun 2017 1:03pm
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