Note: Install the dust seal into the tubular housing using special tool MB990938 and special tool MB990955.

2. Install the tubular body (4).
3. Install the dust cover (3).
Note: Install the new dust cover on the inner shaft using a steel pipe.
| Steel pipe | mm |
| Length | 50 |
| Outer diameter | 70 |
| Wall thickness | 4 |

4. Install the bearing (2).
Note: Install the bearing on the inner shaft using the special tool MB990560.

5. Install the inner shaft (1).
