DISASSEMBLY AND REASSEMBLY



Disassembly steps
<<A>>
1.
 Hub


2.
 Dust shield


3.
 Snap ring
<<B>>
4.
 Wheel bearing


5.
 Knuckle



Reassembly steps


5.
 Knuckle

>>A<<
 4.
 Wheel bearing


3.
 Snap ring

>>B<<
 2.
 Dust shield


1.
 Hub

>>C<<
 ·
 Hub starting torque check

>>D<<
 ·
 Wheel bearing axial play check

DISASSEMBLY SERVICE POINTS

<<A>> HUB REMOVAL
caution In the hub removal operation, make sure to replace the wheel bearing with new one.

Use the following special tools to remove the hub:

  • Spacer (MB991000)
  • Front hub remover and installer (MB991017)
  • Knuckle arm bridge (MB991056 or MB991355)

<<B>> WHEEL BEARING REMOVAL

1.Use the following special tools to remove the wheel bearing inner race (outside) from the hub.

  • Spacer (MB991000)
  • Remover (MD998801)

2.Use the following special tools to assemble the inner race (outside) removed from the hub to the wheel bearing.

  • Oil seal installer (MB992150)
  • Installer cap (MD998812)
  • Installer (MD998813)

3.Use the following special tools to remove the wheel bearing.

  • Installer adapter (MB990935)
  • Installer bar (MB990938)

REASSEMBLY SERVICE POINTS

>>A<< WHEEL BEARING INSTALLATION

caution
  • The magnetic encoder for wheel speed sensor is installed in the wheel bearing. Install the wheel bearing so that the encoder is positioned in the direction shown in the figure.
  • When press-fit the wheel bearing, push the outer race.
  • After press-fit the wheel bearing, wipe off the extra grease in order not to remain on the magnetic encoder.
1.Remove grease and foreign material cleanly from the inside of knuckle bore.

2.Apply the specified grease thinly and evenly to the inside of knuckle as shown in the figure.
Specified grease: Dowcorning/Molykote BR2 Plus
Amount to use: as required (1.0 - 1.5 g)
3.Use the following special tools to press-fit the wheel bearing:

  • Rear suspension bushing base (MB990890)
  • Adapter (MD999528)
4.Remove excessive grease seeped out between knuckle and wheel bearing outer race after press-fitting the wheel bearing.

>>B<< DUST SHIELD INSTALLATION

Use the following special tools to press-fit the knuckle into the dust shield.

  • Bush remover base (MB991388)
  • Base (MB991576)
note Use the bolts (M12) to align the caliper mounting holes.

>>C<< HUB ROTATION STARTING TORQUE CHECK

1.Set the following special tools as shown in the figure, tighten the nut to the specified torque, and press-fit the hub into the knuckle:

  • Spacer (MB991000)
  • Front hub remover and installer (MB991017)
  • Oil seal installer guide (MB991099)
2.Rotate the hub to make the bearing well-greased.

3.Use special tool preload socket (MB990326) to measure the hub rotation starting torque.
Limit: 1.5 N·m
4.Hub rotation starting torque should be within the limit value, and there should be no roughness and gritty feeling in rotation.

>>D<< WHEEL BEARING AXIAL PLAY CHECK

1.Use the following special tools to measure the wheel bearing axial play:

  • Spacer (MB991000)
  • Front hub remover and installer (MB991017)
Limit: 0.05 mm
2.If the axial play is not within the limit range while the nut is tightened to the specified torque, the bearing, hub and/or knuckle have probably not been installed correctly. Replace the bearing and re-install.
Tightening torque: 144 - 176 N·m