Differential Disassembly and Assembly

DISASSEMBLY AND ASSEMBLY









- MD998801: Bearing Remover
- MD998812: Installer Cap
- MD998819: Installer Adapter (40)

DISASSEMBLY SERVICE POINT

[[A]] TAPER ROLLER BEARING REMOVAL





1. Using special tool MD998801, support the taper roller bearing, and then set them on the press.
2. Push down on the differential case with the press and remove the bearing.

ASSEMBLY SERVICE POINTS

]]A[[ SPACER/SIDE GEAR/WASHER/PINION/PINION SHAFT INSTALLATION





1. After a spacer has been mounted on the back surface of the side gear, install the side gear in the differential case.
NOTE:
When a new side gear is to be installed, mount a medium thickness spacer [1.01 - 1.09 mm
(0.0398 - 0.0429 inch].

2. Set the washer on the back of each pinion, and put both pinions simultaneously in mesh with the side gears. While rotating them, install them in position.





3. Insert the pinion shaft.





4. Measure the backlash between the side gear and pinion.
Standard value:
0 - 0.150 mm (0 - 0.0059 inch)
5. If the backlash is out of specification, select a spacer that should get the backlash within the standard value. then re-measure the backlash.
NOTE:
Repeat until the backlash on both sides are equal.

]]B[[ LOCK PIN INSTALLATION





Install the lock pin so that it will be oriented in the direction shown.

]]C[[ TAPER ROLLER BEARING INSTALLATION





Using special tools MD998812 and MD998819, install the taper roller bearing with the press.

]]D[[ DIFFERENTIAL DRIVE GEAR INSTALLATION





1. Apply sealant (3M(TM)AAD Part Number 8730 or 8731 or equivalent) to the entire threaded portion of the bolt.





2. Tighten to the specified torque in the illustrated sequence.
Tightening torque: 132± 5Nm (97± 4 ft-lb)