Vehicle & Technical > Discovery

How hard is it to change a rear diff on a disco????

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les baty:
Hi all,

had a great night on the Solihull chip run on Friday, but appear to have scrapped my rear diff!!!!

Any handy hints and tips on replacing it??

many thanks
Jase

ChrisW70:
Oops  :oops: how on earth did you manage to do that  :-k :lol:
Replacement's not too bad, half shafts out, prop off and diff out. Some RTV sealant for the diff and halfshafts.

Have you got a replacement diff? If you can get hold of a 24 spline disco front diff and a 200 rear prop you can get rid of that useless rubber donut coupler, failing that you can put an older 10 spline diff in but will need to change the half shafts to suit.

turbonutter:
its a very easy job to do the rear diff , iv done a few rear diffs in the last few months on mine , im on 37's and i dont even need to jack it up or take the wheels off  :D

as criss said put a disco front diff in and get rid of the donut

les baty:
Hi Chris,
i think it was on its way out before last night, but it got creamed!!!

It is a 24 spline diff, but there isnt a donut in there, but aparently its a RRC axle, but i cant see any obvious differences between the disco axle and the RRC one.

Today i have replaced both rear discs and pads, when i pulled the half shaft out, it followed with a hell of a lot of water, caught me off guard and soaked my nether regions!!!  Not very impressed as i then spotted where it was coming from.  The water was very similar in colour to what we went through last night!!!

I think i took a sample from every puddle!!!

Have been offered a replacement unit for £70 service exchange.  Just wondering once the half shafts are out, will the diff unit just unbolt and drop out?

cheers
Jase

ChrisW70:
Yes it'll drop out - get a trolley jack under it ready as it's not light, but yes, just remove all the nuts and out it comes - leave a couple of nuts on a couple of turns near the top of the diff so it doesn't 'fall' out.
Price doesn't sound too bad considering it's a 24 spline, not heard of them being service exchange before tho, would expect that price to be outright purchase unless they're offering some sort of warranty.
Check your axle breather's not blocked as well - could be why it's pulled so much water in.

There were one or two puddles along the way wasn't there  :grin:

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