(f) Install nine bolts to the extension housing. (g) Torque the bolts. Torque: 375 kg·cm (27 ft·lb, 37 N·m) 23. AFTER INSTALLING EXTENSION HOUSING, CHECK FOL- LOWING ITEMS: (a) Check to see that input shaft and output shaft rotate smoothly. (b) Check to see that shifting can be made smoothly to all positions. 24. INSTALL RESTRICT PINS (a) Install the restrict pins together with a gasket. HINT: Install the black pin on the reverse gear/5th gear side. (b) Torque the restrict pins. Torque: 410 kg·cm (30 ft·lb, 40 N·m) 25. INSTALL CLUTCH HOUSING (a) Install the clutch housing. (b) Install and torque the nine bolts. Torque: 375 kg·cm (27 ft·lb, 37 N·m) 26. INSTALL SHIFT LEVER RETAINER (a) Install the shift lever retainer with a oil baffle. (b) Install and torque the six bolts. Torque: 185 kg·cm (13 ft·lb, 18 N·m)