gearbox off, bellhousing off,gives you access to gaskets. change all gaskets and seals that you disturb, i would brobably change the rear crankshaft seal at the same time and maybe even clutch.LEE
hi,before you go and start stripping the box down try one of the oil additives that say they will stop oil leaks on engine, g/box etc.i have just used this on my wifes car and it worked,well pleased as it saved a fortune.