Center Differential Case Disassembly and Assembly

DISASSEMBLY AND ASSEMBLY

















- MD998917: Bearing remover
- MD999547: Oil seal installer
- MD998812: Installer cap
- MD998813: Installer-100
- MD998830: Installer adapter (66)
- MD992272: Bearing installer
- MB990847: Rear suspension bushing remover and installer base


DISASSEMBLY SERVICE POINTS

[[A]] TAPER ROLLER BEARING REMOVAL

1. Using a chisel or the like, knock off the roller cage of the taper roller bearing.





2. Using the special tools, MD998917 and MD999547, indicated below, remove the taper roller bearing.

[[B]] TAPER ROLLER BEARING REMOVAL

1. Using a chisel or the like, knock off the roller cage of the taper roller bearing.





2. Using the special tools, MD998917, MD998812, MD998813 and MD998830, indicated below, remove the taper roller bearing.

ASSEMBLY SERVICE POINTS

]]A[[ SPACER, SIDE GEAR, WASHER, PINION AND PINION SHAFT, PINION SHAFT HOLDER, LOCK PIN, FRONT OUTPUT SHAFT, SNAP RING, CENTER DIFFERENTIAL FLANGE, INSTALLATION

1. Mount a spacer on the back surface of the side gear, and then install the side gear in the differential case.
NOTE:
When a new side gear is to be installed, use a medium thickness spacer [1.58 to 1.62 mm (0.0623 to 0.0637 inch)].





2. Place the washers on the back of the pinions, and simultaneously mesh the four pieces with the side gears. Place them into position while rotating them. Then, install the pinion shaft holder.





3. Insert the pinion shaft.
4. Install the lock pin.
5. Install the front output shaft on the side gear, and install the snap ring.





6. As shown in the illustration, mount a spacer on the back surface of the side gear after installing the side gear in the differential case.
NOTE:
When a new side gear is to be installed, use a medium thickness spacer [1.58 to 1.62 mm (0.0623 to 0.0637 inch)].





7. Install the center differential flange by aligning the matching marks, and temporarily tighten the two machine screws.





8. Measure the backlash between the side gear and pinion.
Standard value:
0.025 - 0.150 mm (0.0010 - 0.0059 inch)
9. If the backlash is out of the standard value, select a spacer and re-measure the backlash.
NOTE:
Adjust until the backlash on both sides are equal.

]]B[[ TAPER ROLLER BEARING INSTALLATION





Using special tool, MB992272, install the taper roller bearing.

]]C[[ TAPER ROLLER BEARING INSTALLATION





Using special tool, MB990847, install the taper roller bearing.

]]D[[ CENTER DIFFERENTIAL DRIVE GEAR INSTALLATION





1. Apply specified sealant to the entire threaded portion of the bolt.
Specified sealant: 3M(TM)STUD Locking No.4710 or equivalent






2. Tighten the bolts to the specified torque of 133 ± 4 Nm (98 ± 2 ft-lb) in the illustrated order.