Notes
IMPORTANT: All adjusting procedures on the chain drive must be observed.
A timing chain which is tensioned too tautly can cause noises in the chain
drive.
A timing chain that is too slack can
Special tools required:
11 7 201
22 13 485
Necessary preliminary tasks:
Drain engine oil.
Remove flywheel.
Remove bottom of oil sump.
NOTE: Support bush (2) is included in delivery specificat
OIL RETURN COVER
IMPORTANT: Risk of fire.
In the event of oil leakage in the Vee, the leakage oil may be ignited on hot
components.
Necessary preliminary work
Remove both exhaust turbochargers.
R
System-related causes (no faults)
Control tolerance when "Ignition off", but vehicle is awake (e. g.
hazard warning switch is lit): +- 7
mm (applies from integration level 10-06-500 or CAF 4.5.4-> Read out SVK;
earlier versions +- 15
mm) relative to nominal ride-level height (attention: a
Notes
IMPORTANT: The timing can only be checked with special tool 11 9 900.
The timing may be misinterpreted if it is checked without special tool 11 9 900.
Cylinders 5-8:
Necessary preliminary work
Remove left CYLINDER HEAD COVER
Remove FAN COWL with electric fan
Remove BELT PULLEY for air con