400 gearbox rear oil seal
Discussion
You sure it's the output flange seal?
I replaced mine (it was leaking) and recently found a dribble of gearbox oil. Turns out to be the selector shaft (up at the top of the box) leaking!
As far as replacing it goes: you probably could but first you'd need to get the flange nut off: can't recall exactly but I think it's on fairly tight.
The seal isn't held in by compression of casings or anything: it's just a drifted fit.
Ten minute job...
Ian
I replaced mine (it was leaking) and recently found a dribble of gearbox oil. Turns out to be the selector shaft (up at the top of the box) leaking!
As far as replacing it goes: you probably could but first you'd need to get the flange nut off: can't recall exactly but I think it's on fairly tight.
The seal isn't held in by compression of casings or anything: it's just a drifted fit.
Ten minute job...
Ian
Its worth checking out the condition of the g.box output shaft as well as they can catch a bit of grit between the seal and the shaft and put a nice groove / leak path onto the shaft. If it is grooved bung it in a lathe and do a min to clean on it, as the seals tend to have a fair bit of tension in them and will accomodate a slightly larger shaft OK.
Matt
Matt
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