Originally Posted by WilliamB
ok. I have the Diff lock axle ends.
Looking in the manual it mentions incorrect/worn crown and pinion gears, excessive backlash (I have been looking for a preload spanner - to no avail yet).
I will check the sound feels very "central" up front, and goes through to the gear box. It all feels worn which of course it will be given the age of the vehicle.
I have a spare dif from the series 3 which is one good thing - but I must admit I am rnning out of time and money! the main reason I keep posting.
A little worried about what I will find when I look.