Rear Hub

Part 1 Of 2:

Part 2 Of 2:

REMOVAL AND INSTALLATION

CAUTION:
^ Do not strike the ABS rotors installed to the EBJ outer race of drive shaft against other parts when removing or installing the drive shaft. Otherwise the ABS rotors will be damaged.
^ Be careful not to strike the pole piece at the tip of the front ABS sensor with tools during servicing work.
^ During maintenance, take case not to contact the parts or tools to the caliper because the paint of caliper will be scratched. And if there is brake fluid on the caliper, wipe off quickly.

REMOVAL SERVICE POINTS
[[A]] DRIVE SHAFT NUT REMOVAL

CAUTION: Do not apply pressure to the wheel bearing by the vehicle weight to avoid possible damage when the drive shaft nut is loosened.





Use special tool MB990767 to fix the hub and remove the drive shaft nut.

[[B]] CALIPER ASSEMBLY REMOVAL

CAUTION: During maintenance, take care not to contact the parts or tools to the caliper because the paint of caliper will be scratched.

Secure the removed caliper assembly with wire, etc.

[[C]] REAR WHEEL HUB REMOVAL
If the rear wheel hub is seized, remove the rear wheel hub as follows.
1. Remove the knuckle with rear wheel hub and fix them with a vise.




2. Use special tools MB990244 (MB990241), MB991354 and MB990211 to pull out the rear wheel hub from the knuckle.

INSTALLATION SERVICE POINT
]]A[[ WASHER/DRIVE SHAFT NUT INSTALLATION

CAUTION: Before securely tightening the drive shaft nuts, make sure there is no load on the wheel bearings. Otherwise the wheel bearings will be damaged.





1. Be sure to install the drive shaft washer in the specified direction.
2. Using special tool MB990767, tighten the drive shaft nut to the specified torque.
Tightening torque: 225 ± 25 Nm (166 ± 18 ft. lbs.)

INSPECTION
WHEEL BEARING ROTATION STARTING TORQUE AND AXIAL PLAY CHECK

Required Special Tools:
^ MB990998, MB991017: Front Hub Remover and Installer
^ MB990326: Preload Socket
^ MB990685: Torque Wrench





1. Tighten special tools MB991000 (MB990998) and MB991017 to the specified torque.
Tightening torque: 225 ± 25 Nm (166 ± 18 ft. lbs.)
2. Rotate the rear hub in order to seat the bearing.





3. Hold the rear wheel hub assembly using way of wooden block.
4. Measure the wheel bearing rotation starting torque by using special tools MB990326 and MB990685.
Limit: 1.0 Nm (0.74 ft. lbs.)
5. If the rotation starting torque is not within the limit range while the nut is tightened to 225 ± 25 Nm (166 ± 18 ft. lbs.), replace the front wheel bearing assembly. If there is any signs of binding or tight spots when the wheel bearing turns, replace it.





6. Measure to determine whether the wheel bearing axial play is within the specified limit or not.
Limit: 0.05 mm (0.002 inch)
7. If the play is not within the limit range while the nut is tightened to 225 ± 25 Nm (166 ± 18 ft. lbs.), replace the rear wheel hub assembly.