Preliminary Work
Information
- When removing and installing axle or suspension components, the threaded connections must be tightened with the vehicle in the zero position .
- To do this, the air on the relevant axle or air component must be released beforehand at the front and rear axle on vehicles with air suspension .
- For this purpose, use the relevant functions on the PIWIS Tester .
- Raising the vehicle.
> Refer to 4X00IN Raising the vehicle in the appropriate service information.
- Only for vehicles with air suspension system:
Release air from the levelling system.
> 430117 DRAINING AND FILLING THE LEVELLING SYSTEM - SECTION ON "DRAINING"
- Remove rear wheel.