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Cake



Member Since: 10 Jun 2015
Location: Essex
Posts: 277

United Kingdom 
Can't lock the diff
I'm having trouble locking the diff - either I'm not doing correctly or needs fixing.

In high or low range I try to push to the left but there is no movement.

As it can be engaged while moving I gently roll it on the clutch or up to 5mph and try but still nothing.

Can I please have some guidance on either getting it in or what to check or even lubricate to get it going

Thanks!
Post #490963 11th Jan 2016 12:45pm
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Mash



Member Since: 09 Feb 2015
Location: Guernsey
Posts: 1674

Guernsey 1998 Defender 90 300 Tdi HT Nato Green
You can get to it from underneath, there are a selection of rods/linkage on the r/h of the gearbox/tbox. Make sure they are not seized due to mud etc and ensure they are all connected, often the linkage snaps when forced. If you struggle to get to them you can remove the gearbox tunnel to get access. 90 wolf - Jasmin http://www.defender2.net/forum/topic39408.html
90 V8 - Maggie http://www.defender2.net/forum/topic42564.html
110 TD5 - Buggsy http://www.defender2.net/forum/topic59029.html
52HG25 lightweight https://www.defender2.net/forum/topic72342.html
D3 Hse - Fiona
Capri 2l S - Anna

Think I might have a problem............
Post #490975 11th Jan 2016 1:08pm
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DAZ110



Member Since: 06 Dec 2007
Location: East Sussex
Posts: 2040

United Kingdom 2013 Defender 90 Puma 2.2 XS CSW Barolo Black
Cake, have tried transferbox lever in the middle neutral position before pushing it to the left and forward to engage low range or left and backward to engage high range Difflock? See if you have any luck this way. Rather than straight across the box.

Last edited by DAZ110 on 11th Jan 2016 1:42pm. Edited 2 times in total
Post #490983 11th Jan 2016 1:21pm
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blackwolf



Member Since: 03 Nov 2009
Location: South West England
Posts: 17443

United Kingdom 2007 Defender 110 Puma 2.4 DCPU Stornoway Grey
^^^ Why?

You don't need (and don't want) to do this!
Post #490984 11th Jan 2016 1:25pm
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Cake



Member Since: 10 Jun 2015
Location: Essex
Posts: 277

United Kingdom 
Daz110 I think you have it, I'm putting it in low and then trying to go left!

It's so simple when you know how!

I do feel quite stupid asking these questions but its all new to me.

I will try this evening and report back!


Mash - Thanks, if it doesn't work the 'proper' way then I will take a look underneath - I will take a look anyways to ensure everything is clean and as it should be now I know.
Post #490986 11th Jan 2016 1:27pm
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DAZ110



Member Since: 06 Dec 2007
Location: East Sussex
Posts: 2040

United Kingdom 2013 Defender 90 Puma 2.2 XS CSW Barolo Black
What your doing should work ok that way.

As Mash says probably seized.
Post #490994 11th Jan 2016 1:43pm
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blackwolf



Member Since: 03 Nov 2009
Location: South West England
Posts: 17443

United Kingdom 2007 Defender 110 Puma 2.4 DCPU Stornoway Grey
The difflock should be operable irrespective of whether you're in low box, neutral, or high box. The two mechanisms are independent.
Post #491027 11th Jan 2016 3:05pm
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DAZ110



Member Since: 06 Dec 2007
Location: East Sussex
Posts: 2040

United Kingdom 2013 Defender 90 Puma 2.2 XS CSW Barolo Black
Is it actually going into difflock but the light on the dash is not coming on?
Post #491034 11th Jan 2016 3:12pm
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couplands



Member Since: 31 Aug 2011
Location: Peak District & Cornwall
Posts: 1826

United Kingdom 2001 Defender 90 Td5 HT Oslo Blue
^^^ On mine, it can take a good few yards before the diff lock light comes on. I guess the gears need to align before it fully engages and hence you sometimes need to travel (100yds should be more than plenty) to get it engaged.

Other options as discussed are seized linkage. There is a very small/fragile looking link at the bottom of the lever from the cab, where it connects to the diff lock arm from the transfer box. This is the bit that seized on mine. Needed a good amount of WD40 to free it up, then I covered it in copper grease. Has been fine for the last few years, but then it gets used a lot these days...Wink

Good luck.

cheers

simon
Post #491068 11th Jan 2016 4:40pm
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Cake



Member Since: 10 Jun 2015
Location: Essex
Posts: 277

United Kingdom 
When I push left its doesn't move and quite a bit of resistance is there.

I have read about others breaking so I'm not not pushing too hard but definately enough for to engage if it would.

I will try engaging from neutral and have a look underneath (despite not knowing exactly what I'm looking for) - I assume it's mounted somewhere between the prop shafts and gearbox...

Will report back this evening Smile
Post #491096 11th Jan 2016 5:37pm
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Mash



Member Since: 09 Feb 2015
Location: Guernsey
Posts: 1674

Guernsey 1998 Defender 90 300 Tdi HT Nato Green

Click image to enlarge

Here you go. 90 wolf - Jasmin http://www.defender2.net/forum/topic39408.html
90 V8 - Maggie http://www.defender2.net/forum/topic42564.html
110 TD5 - Buggsy http://www.defender2.net/forum/topic59029.html
52HG25 lightweight https://www.defender2.net/forum/topic72342.html
D3 Hse - Fiona
Capri 2l S - Anna

Think I might have a problem............
Post #491102 11th Jan 2016 5:42pm
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Cake



Member Since: 10 Jun 2015
Location: Essex
Posts: 277

United Kingdom 
Thank you so much!

Now I'm ready to give it all a go Smile
Post #491106 11th Jan 2016 5:52pm
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couplands



Member Since: 31 Aug 2011
Location: Peak District & Cornwall
Posts: 1826

United Kingdom 2001 Defender 90 Td5 HT Oslo Blue
I just took this underneath mine but the above picture is clearer...!

Anyway, the little link I circled in red is the one that seized on mine.


Click image to enlarge
Post #491112 11th Jan 2016 5:57pm
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Cake



Member Since: 10 Jun 2015
Location: Essex
Posts: 277

United Kingdom 
Thank you so much for the effort - will take a look shortly Smile
Post #491133 11th Jan 2016 6:35pm
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Cake



Member Since: 10 Jun 2015
Location: Essex
Posts: 277

United Kingdom 
So finally it's been fixed!

The area circles was the culprit was the circled area Smile

I put some WD40 on which made no difference at all. Then some some PlusGas which instantly released it.

It engages and releases no problem - the light is instant too!

Thank you all for the help and effort!

I feel I will be ready for my next bit of off roading now Smile
Post #491163 11th Jan 2016 7:30pm
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