Remove the automatic transaxle.
(Refer to Automatic Transaxle System - "Automatic Transaxle")
Remove the drive plate adapter (A) and the drive plate (B).
Tightening torque :
68.6 ~ 78.5N.m (7.0 ~ 8.0kgf.m, 50.6 ~ 57.9lb-ft)
Installation is reverse order of removal.