Maybe this will help someone......
If you have a rumbling gearbox, but are confident that the clutch and diff are ok, the gearbox can be
stripped without removing the whole thing from the car. The casing can be removed from under the
wing,and both primary and secondary shafts slide out.
I changed all 4 shaft bearings on my 2.0 HPE in South Africa when the noise was becoming unbearable!
Also,when working for TAK in Johannesburg, we had a 5th gear syncromesh problem on brand new
Volumex's. I saved considerable warranty time by doing it this way.
[ TAK bought the cars from Italy without factory warranty,hence the saving]
Nigel