Discovery II (LT) V8-4.0L (2002)
5. Remove retaining ring and split collars securing 5th gear to output shaft.
6. Remove split collar and 5th gear from layshaft.
Reassembly
1. Clean gear and layshaft.
2. Position 5th gear and split collar to layshaft ensuring that bevelled side of collar is towards 5th gear.
3. Position split collars and retaining ring securing 5th gear to output shaft.