Calibrating/Adjusting Procedure with or without a Previous Axle Alignment

• Determine and then note the body height -a- at all four wheels in the center of the wheel between the wheel contact surface and the lower edge of the fender.

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  NOTE:

  • The procedure is described using a John Bean aligner -VAS6331-.
  • The procedure will differ if performed with other aligners. In this case, follow the instructions on the aligner screen.
    • Select the front camera calibration procedure in the alignment computer.
    • Make sure the calibration board is positioned in the center and is locked in place.

  
  Dimension a=b

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• Position the -VAS6430/1A- at a distance of -A- 150 cm ± 2.5 cm from the center of the wheel hub on the front wheels to the beam on the -VAS6430/1A-, as shown.
  1. Measuring tape
  NOTE: The Setting -VAS6430/1A- must not be moved on the calibration beam.

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• Place the -VAS6331/1- -item 1- for the ACC adjustment on the -VAS6430- on the right side and tighten.
  NOTE: The alignment stand must be in the lowest level position for the next step.

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• Enter the height value -A- between the -VAS6430/1A- contact patch and the wheel contact surface as shown in the illustration and enter it in the alignment computer.
  NOTE:

  • Height calibration board for all Audi SUV models: 1400 mm + height value -A-.
  • Height calibration board for all Audi non-SUV models: 1200 mm + height value -A-.
• Loosen the bolt -arrow- and place the measuring bar -1- on the floor.

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• Adjust the calibration board to the specified height -2- according to the wheel alignment computer using the crank

If the specified height was reached -2-, then the measuring bar must be pushed slightly upward and secured with the clamping screw.

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• Level the bubble level -A- using the adjusting screw -1-.

The bubble level adjustment -A- serves to balance the ground conditions.

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• Move the Setting -VAS6430/1A- sideways in direction of -arrow B- until the display on the alignment computer is within the tolerance range.

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• Secure the setting -VAS6430/1A- by tightening the bolts -2 and 3- slightly. (This prevents the -VAS6430- from rolling away).

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• Turn the fine adjustment screw -1- until the display on the wheel alignment computer is within the tolerance range.

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• Level the bubble level -A- using the adjusting screw -1-.
• Level the bubble level -B- using the adjusting screws -2 and 3-.