Rear diff drive nut removal

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congo181

congo181

Well-Known Member
Posts
519
Location
Maidstone, Kent, U.K.
I need to swap the oil seal in the rear diff input shaft.
I’ve chocked all the wheels, and got a 32mm socket and breaker on the nut, but it’s not moving.
Is it left handed or something, or just blooming tight? I don’t have a decent sized ugga-dugga sadly.
Cheers, Jim
 
Where in Maidstone? I can bring my ugga dugga home?
Ps I mean roughly, dont advertise your address to the wolrd.
 
A flange lock bar is a very useful tool when undoing these and t box nuts.

I made my own , as it can also be used to torque it back up.

Cheers
 
Phew.
Does the input shaft always waggle about like that without the flange on?
019DC942-95DF-4D06-8F71-E37685FE11CD.jpeg
 
Last edited:
congo181 said:
Phew.
Does the input shaft always waggle about like that without the flange on?
Click to expand...

Yes, the spacer and the flange provide the bearing preload which is why its important to get the torque right when putting it back. To tight and you nack the bearing faces, to loose and you nack the bearing... be really carefull in keeping everything clean during reassembly too.
 
Hmm new oil seal arrived but did I order the wrong one? My diff housing has a metal shield on the front - is this part of the seal, or does it just pop off?
Think I’m missing something here.
2834D1F5-260A-47F3-BC0E-4778D29DAE31.jpeg

467244C6-0631-442E-9199-338B515654E3.jpeg
 
flat said:
That metal shield is the mud shield, there are 2 types - an external type and the one you have pictured which is internal, they usually stay attached to the flange though. it should just pull out

have a look at page 16 here on my thread
https://www.landyzone.co.uk/land-ro...p-12v-gs-tul-90-so-a-soft-top-90-then.218221/

and my thread here
https://www.landyzone.co.uk/land-rover/how-to-replace-diff-pinion-oil-seal-on-rover-axles.259728/
Click to expand...
Thanks for those. Most helpful. I think I may have an Ashcroft rear axle looking at some more pictures. It’s not a castle nut on the pinion.
How do I determine what the axle is?
 
congo181 said:
Thanks for those. Most helpful. I think I may have an Ashcroft rear axle looking at some more pictures. It’s not a castle nut on the pinion.
How do I determine what the axle is?
Click to expand...

Its probably just a later defender axle. Earlier ones were castle nuts and later ones nyloc nuts instead, disco ones had a bolt instead I think. Doesn’t matter what fixing it has, the seal replacement is the same principle
 
flat said:
Its probably just a later defender axle. Earlier ones were castle nuts and later ones nyloc nuts instead, disco ones had a bolt instead I think. Doesn’t matter what fixing it has, the seal replacement is the same principle
Click to expand...

Is it a Salisbury rear diff?

Cheers
 
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