13. DRIVE TRAIN MXU 55EXi/MXU500i Using the SPECIAL TOOL:A120F00025 Tighten to 125 ft-lb And hammer./screwdriver Remove the pinion gear from the gear case housing. SPECIAL TOOL:A120F00025 SPECIAL TOOL:A120F00025 Secure the pinion gear in a bearing puller. Then remove the pinion bearing using a press. Account for a collar and a bearing. 13-17