User:Jef

As per Peter's suggestion, bundling Level Control information into wiki pages... looking to break this down into non UDS and UDS.

non-UDS (legacy):
Component: LUFTFDR.-CDC
Component: J197 LUFTFEDER

Bleeding or Charging

Ross-Tech is not responsible for any damage or problems that may result from following these instructions. They are to be used at your own risk. As always, you should refer to a Factory Repair Manual for your vehicle!

Prerequisites:

• Doors, hood and rear lid closed
• Engine at idle

Note: The bleeding procedure will lower the vehicle, proceed with caution and refer to the factory repair manual for proper repair information, warnings and cautions!

[Select]
[34-Level Control]
[Security Access-16]
Enter 08367

• If the Security Access code does not work, try 08367 in [Coding II - 11]

[Basic Settings-04]

• Bleeding:
  • Group 020 = to Bleed Pressure Accumulator
    
  • Group 021 = to Bleed Front Axle
    
  • Group 022 = to Bleed Rear Axle
    
• Charging:
  • Group 023 = to Charge Pressure Accumulator
  • Group 024 = to Charge Front Axle
  • Group 025 = to Charge Rear Axle

[Go!]
[ON/OFF/Next]

Field-4 will display the current pressure.
The procedure will time out after 60 seconds.
The procedure maybe repeated as necessary to achieve the desired system pressure.

Special Notes

• These instructions should work with most non-UDS Level Control systems found in:
  • A6
  • A8
  • Q7
  • Phaeton
  • Touareg
  • Bentley Continental.
• http://forums.ross-tech.com/showthread.php?1996-Level-Control-Bleeding-Charging