Necessary preliminary work:
Remove HEADLIGHT.
NOTE: Damaged retaining tabs (1, 2, 3) can be replaced with the repair
kit.
Replacement of headlight is not required!
If necessary, use screws from B
Notes
IMPORTANT: Release central bolts on adjuster only with special tool 11 9
890.
Risk of damage to timing drive.
If special tool 11 9 890 can not be fitted, it is necessary when releasing the
central bolt to grip the hexagon head of the respective camshaft.
(cylinder bank 5 to 8)
Necessary pre
NOTE: Ride height adjustment must be carried out after the following work:
Removal/replacement of ride height sensor or its control rod (only
necessary for vehicles with air suspension or vehicles with VDC)
Replacement of wiring harness
Replacement of air supply system control unit (F01/F02/F04