Make sure two dowel pins (A) are installed in prescribed hole on the engine block as shown.

Check the release bearing, and reinstall the release bearing and the release fork with applying appropriate grease.

Place the transmission on the transmission jack, and raise it to the engine unit level.

Join the transmission and engine unit with putting through the transmission mainshaft to the clutch pressure plate and the clutch disc until it becomes no gap between the transmission housing and the engine block.