Section 1 - Cylinder Block - Group 01 Gear Housing - Cleaning and Inspection for Reuse (1-21) M11 Page 1-63 Inspection Visually inspect the gear housing for cracks or damage. Inspect the seal grooves on both sides of the housing for debris or damage. Inspect the o-ring groove at the accessory drive oil jumper gallery for cracks or damage. Use compressed air to make sure the oil jumper gallery to the accessory drive is free of any obstructions. Measure the inside diameter of the bearing bores at the accessory drive, water pump drive, and hydraulic drive. Bearing Bore I.D. Bore Location mm in.
Hydraulic Drive 41.967 41.992 MIN MAX 1.6522 1.6532 Water Pump 36.967 36.992 MIN MAX 1.4553 1.4564 Accessory Drive 45.100 45.125 MIN MAX 1.7756 1.7766 Needle Bearing Installation Use bearing installation tool, Part No. 3823776, to install a new needle bearing in the hydraulic pump bore of the gear housing. Tap the bearing gently until it comes into contact with the shoulder in the housing. The bearing must be 0.25 to 0.76 mm [0.010 to 0.030 inch] below the edge of the gear housing. Use bearing driver kit, Part No. 3824117, to install a new needle bearing in the water pump drive bore of the gear housing. NOTE:
The bearing must be installed with the part number side of the bearing against the installation tool to prevent damage to the bearing during installation. Install the bearing from the front side of the gear housing until the bearing is flush with the front edge of the housing bore.