This document provides instructions for removing and installing various engine components on a C13 engine, including:
1) Removing the rear gear group by removing several bolts, gears, seals, and bearings.
2) Removing the flywheel using lifting equipment and special tools after removing mounting bolts.
3) Installing the flywheel by heating components, applying threadlocker to bolts, and torquing bolts to specification.
4) Removing the crankshaft rear seal by removing mounting bolts.