Air Suspension System, Filling And Bleeding

Bleeding

-- Connect the Vehicle Diagnostic Tester.

-- Switch the ignition on.

-- Select and start the Diagnostic  operating mode.

-- Select the Test plan  tab.

-- Select the Select individual test  button and select the following tree structure consecutively:

• Chassis
• Suspension control
• 0001 - OBD-capable systems
• 0074 - Drivetrain Control Module J775
• 0074 - Drivetrain Control Module functions
• 0074 - Basic Setting

-- Start the selected program and follow the instructions on the Vehicle Diagnostic Tester display.

Filling

-- To fill proceed in the same way under

• Chassis
• Suspension control
• 0001 - OBD-capable systems
• 0074 - Drivetrain Control Module J775
• 0074 - Drivetrain Control Module functions
• 0074 - Basic Setting

NOTE:

Pay attention to the installation position of the air springs when filling them. Refer to Fig 2 and Refer to Fig 1.

Fig 1: Air Spring Installed Position

Courtesy of AUDI

Fig 2: Coil Spring and Spring Plate Installation Position

Courtesy of AUDI