Removal of transmission depends on diameter of flywheel - see "Removing and installing transmission" service instructions in group "K". Remove clutch pressure plate - see "Removing and installing clutch disk and pressure plate" service instructions in group "K".
With transmission removed: lock flywheel using KM-652. With transmission installed: lock flywheel using KM-517-B. Remove flywheel from crankshaft.
Regroove thread in crankshaft.
Install, Connect
Attach flywheel to crankshaft with new bolts - 65 Nm/48 lbf. ft. + 30 ° + 15 °
Install clutch pressure plate - see "Removing and installing clutch disk and pressure plate" service instructions in group "K". If transmission has been removed see "Removing and installing transmission" service instructions in group "K".
Remove, Disconnect 
Install, Connect 