WM 4301IN Bleeding and filling the levelling system: Information: Filling

Information 

Only nitrogen 5.0 may be used for filling the air suspension system.

• Use a compressed gas bottle with a corresponding pressure reducer unit and pressure gauge  .
• Fill the air suspension system to at least → Pressure: +16 bar  .
• Fill the air suspension system to max  . → Pressure: +17 bar 
• Wheels must be suspended freely  .
• Switch on ignition  .

The air suspension system is filled from the front right air line. After filling the system using the compressed gas bottle of nitrogen, the front right air-spring strut is filled from the pressure accumulator.

1. Raise the vehicle. → 4X00IN LIFTING THE VEHICLE
2. Disconnect air-spring strut line -3-  at the front right.

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   1. 2.1. Remove valve pin -1-  using valve screwdriver Nr.164 Pos.5  from adapter 9825 -2-  .

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   2. 2.2. Adapter 9825 -1-  and connecting line 9825/1 -2-  must be connected to the compressed gas bottle of nitrogen and pressure reducer WE 1409  .

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   3. 2.3. Open the compressed gas bottle and set the → Pressure: +17 bar  max. (shown as an example!)

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3. Connect the Porsche System Tester and select >>Levelling system/PASM<<>>Maintenance/repairs<<>>Replacement of several components or replacement of the pressure accumulator<< in the control unit overview and then select >>Fill<<. Follow the instructions on the Porsche System Tester.
4. Fit air line at the front right. Tightening torque 3 Nm (2 ft. lb.) 
5. Complete the >>Fill<< process. Follow the instructions on the Porsche System Tester.