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Front output shaft oil seal


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Unlike the other thread here by OilIT, I didn't check my second hand transfer box prior to fitting.

I now have a leaky front output shaft oil seal, otherwise it's sound. My question is how long will it last like it is? or is there a chance that these things can just 'go' resulting in total loss of oil is within a few hundred yards?

I have booked it into the garage (I'm just sick of oil and grime for a while), but am travelling to Billing next week (180 miles), and I would like some moral support it will be Ok.

I realise that when it stops dripping, it needs topping up! :P

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20min job to do

rather than risk an expensive transfer box for a £4 seal

remove prop undo 30mm nut remove flange pry out seal

fit new seal refit flange tighten, re fit prop

job done.

That easy??? I'm only a 3 spanner mechanic at the best, often 2 spanner jobs are difficult!

No special tools? Hammer?

If its easy I'll pick one up and do it on Sunday evening! Things are looking up. :)

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Very easy

as long as you have a 30mm socket and a decent break bar or ratchet.

get a genuine seal and clean the flange seal face before refitting,

pry the old seal out with a large screw driver

have a rag handy as some oil will leak(if there is any left in the box ;) )

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20min job to do

rather than risk an expensive transfer box for a £4 seal

remove prop undo 30mm nut remove flange pry out seal

fit new seal refit flange tighten, re fit prop

job done.

UPDATE: Jobs done Tony. 20 minutes!! - It took me 2 1/2 hours! :o

My concern is that I dont know how far the seal had to be pushed in. The manual said so that it was touching the circlip, but how can you tell that when you can't see it? I 'teased' it home with 'light tapping with blunt chisel and hammer' and hopefully it is OK. Will there be any consequences if its not fully in?

I suppose I'll find out tomorrow!

Big thanks again Tony. (small bit of advice goes a long way!) :)

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well done

now you know what/how to do it.

the flange will push the seal in if you didn't tap it in far enough.

and as Mark says if it is wrong it'll leak to let you know.

I bet if you did it again it would take 1/2 the time.

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Will there be any consequences if its not fully in?

this may be a good thing as the lip of the new seal will not be running in the groove made in the shaft by the old seal.... and should it leak, next time it will take you half the time to replace now that you've done it once.!

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