[26] FRONT AXLE - - FRONT AXLE HUB ASSEMBLY - DISASSEMBLY AND REASSEMBLY | PRINT PAGE / INDEX / PRIOR / NEXT

DISASSEMBLY AND REASSEMBLY
|  |  | Disassembly steps
--- | --- | --- | ---
|  | 1. | Snap ring
<<A>> |  | 2. | Hub
|  | 3. | Dust cover
<<B>> |  | 4. | Wheel bearing
|  | 5. | Knuckle
|  |  | Assembly steps
|  | 5. | Knuckle
| >>A<< | 4. | Wheel bearing
|  | 1. | Snap ring
|  | 3. | Dust cover
|  | 2. | Hub
| >>B<< | • | Hub starting torque check
| >>C<< | • | Wheel bearing axial play check
| DISASSEMBLY SERVICE POINTS
| <<A>> HUB REMOVAL CAUTION When the hub has been removed, always replace the wheel bearing with a new part because wheel bearing frictional surface will be damaged when removing the hub.
| Use the following special tools to pull out the hub from the knuckle. Knuckle arm bridge (MB991056 or MB991355) Front hub remover and Installer (MB991017) Spacer (MB991000)
| <<B>> WHEEL BEARING REMOVAL
| Crush the oil seal in two places so that the tabs of the special tool will be caught on the wheel bearing inner race (outside).
| CAUTION When removing the inner race (outside) from the hub, be careful not to let the hub drop.
| Remove the wheel bearing inner race (outside) from the front hub by using special tool side bearing puller (MB990810).
| Install the inner race (outside) that was removed from the hub to the wheel bearing, and then use the following special tools to remove the wheel bearing. Installer bar (MB990938) Installer adapter (MB990935) Knuckle arm bridge (MB991056 or MB991355)
| REASSEMBLY SERVICE POINTS
| >>A<< WHEEL BEARING INSTALLATION Fill the wheel bearing with multipurpose grease. Apply a thin coating of multipurpose grease to the knuckle and bearing contact surfaces. CAUTION Press the outer race when pressing-in the wheel bearing. Otherwise the wheel bearing will be damaged.
| Press-in the bearing by using the following special tools. Rear suspension bushing arbor (MB990883) Rear suspension bushing base (MB990890)
| >>B<< HUB STARTING TORQUE CHECK
| Tighten the following special tools to the specified torque, and then press-in the hub into the knuckle. Front hub remover and installer (MB991017) Spacer (MB991000) Rotate the hub in order to seat the bearing.
| Measure the hub starting torque by using the following special tools. Torque wrench (MB990685) Preload socket (MB990326) Limit: 1.8 N·m The starting torque must be within the limit and the hub rotation must be smooth.
| >>C<< WHEEL BEARING AXIAL PLAY CHECK
| Measure to determine whether the wheel bearing axial play is within the limit or not by using the following special tools. Front hub remover and installer (MB991017) Spacer (MB991000) Limit: 0.05 mm If the play is not within the limit range while the nut is tightened to 245 ± 29 N·m, the bearing, hub and/or knuckle have probably not been installed correctly. Replace the bearing and re-install.

[26] FRONT AXLE - - FRONT AXLE HUB ASSEMBLY - DISASSEMBLY AND REASSEMBLY | PRINT PAGE / INDEX / PRIOR / NEXT

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