Vehicle & Technical > Defender

Diff oil seals

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graham2306:
I have leaky oil sills in both my diffs.  I have had contradictory advice from different people.  Some say take the diff out and get a specialist to replace the oil seals as I will upset the backlash if I undo the nut that holds the flange on.  Others say as long as you mark it and torwue it correctly it will be fine.

What do you lot think?

topless matt:
Do it yourself, waste of time and money to get someone else to do it.
As long as you just take the nut and flange off, change the seal and then put the flange back on and torque it up correctally you will be fine.

tack43:
Agreed. I've done quite a few now and not had any problems.

Rich

clbarclay:
The nut is just done up to a nominal high torque. The pinion is adjusted by adding or removing shims.

Undoing the Nut can be a problem, I knocked up a replica of a LR special tool to hold the drive flange so that it diddn't twist a rediculas amount when trying to undo it with a socket on a T bar. An impact gun might be easier but that would have cost more.

extreme90:
your yet to learn about the jack and a hammer
or just using the engine are you chris  :lol: :lol:

do it yourself, there are nothing to diffs that are so "special and to be scared of  :roll:"
just make sure the thrust washer doesnt drop out when you remove the flange
measure the depth of the old seal and refit the new seal to that depth as its matched the the mudshield on the drive flange
carefully inspect the driveflange as its often that, as to which the problem has come about, if its deeply scoured then simply adjust the depth of the seal to suit
dan

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