33 41 151 Replacing left or right wheel bearing on rear axle shaft
Necessary preliminary tasks:
- Remove OUTPUT SHAFT .
- Remove DRIVE FLANGE FOR REAR AXLE SHAFT .
- Detach WHEEL BEARING INNER RING FROM DRIVE FLANGE .
Press circlip (1) together using pliers (2) and remove.
Installation note:
Install retaining ring (1).
Check circlip (1) fit and correct if necessary.
Use special tool:
- Hydraulic unit - 81 64 2 155 744
- Adapter kit 1 - 81 64 2 155 745
- Adapter kit 2 - 81 64 2 155 746
- Adapter - 81 64 2 318 661
The following work steps describe the removal of the wheel bearing:
The following tools are required to pull the wheel bearing out of the wheel carrier; see Fig 2 for arrangement:
Vehicle components:
| I | Drive flange hub |
| II | Wheel carrier |
Required components for all models and types:
| E1 | Holding sleeveM24 |
| 1 | Hydraulic unit |
| F1 | Spindle M24 (length 425 mm) |
| A1 | Device |
| E2 | AdapterM24 |
* Components specific to model and type:
| Wheel bearing with inner diameter 42 mm | |
| N3 | Adapter diameter 42 mm |
| M5 | Adapter diameter 90 mm |
| or | |
| Wheel bearing with inner diameter 45 mm | |
| N2 | Adapter diameter 45 mm |
| M3 | Adapter diameter 102 mm |
The black multi-pole gasket (1) must point towards the center of the vehicle!
The following work steps describe the insertion of the wheel bearing:
The following tools are required to insert the wheel bearing into the wheel carrier; see Fig 4 for arrangement:
Vehicle components:
| I | Wheel bearing |
| II | Wheel carrier |
Required components for all models and types:
| E1 | Holding sleeveM24 |
| 1 | Hydraulic unit |
| F1 | Spindle M24 (length 425 mm) |
* Components specific to model and type:
| Wheel bearing with inner diameter 42 mm | |
| P4 | Adapter diameter 42/75 mm |
| R4 | Adapter M24 Ø 64/75 mm |
| or | |
| Wheel bearing with inner diameter 45 mm | |
| P5 | Adapter Ø 45/84 mm |
| R6 | Adapter M24 Ø 63/75 mm |
Mount adapter 81 64 2 318 661 to hydraulic unit using torque wrench (see Fig 5).
Set torque wrench to 20 Nm.
Move wheel bearing in using hydraulic tool until the torque wrench activates.
After installation:
- Adjust PARKING BRAKE .