Special tools required:
(cylinder bank 1 to 4)
Necessary preliminary tasks:
NOTE: When slackening screws, grip camshafts at hexagon head.
Slacken screws of exhaust and inlet adjustment unit.
Fig. 528: Locating Slacken Screws Of Exhaust And Inlet Adjustment Unit
Get special tool kit 11 9 460 ready for securing camshafts.
NOTE: Special tool 11 9 461 for securing inlet camshaft.
Special tool 11 9 462 for securing exhaust camshaft.
Special tool 11 9 463 (holder with screw).
Fig. 529: Identifying Special Tool (11 9 461), (11 9 462) And (11 9 463)
Place special tool 11 9 461 on inlet camshaft and align inlet camshaft so that special tool 11 9 461 rests without a gap on cylinder head.
Fig. 530: Identifying Special Tool (11 9 461)
Fit special tool 11 9 463 , secure screw (1) in thread for oil line and tighten down by hand.
Fig. 531: Identifying Special Tool (11 9 461) And (11 9 463)
NOTE: When tightening down screw (1), grip camshaft at hexagon head.
Tighten down screw (1) of inlet adjustment unit.
Tightening torque 11 36 16AZ.
Fig. 532: Identifying Special Tool (11 9 461)
Release screw (1), remove special tools 11 9 463 and 11 9 461 from inlet camshaft.
Fig. 533: Identifying Special Tool (11 9 461) And (11 9 463)
Place special tool 11 9 462 on exhaust camshaft and align exhaust camshaft so that special tool 11 9 462 rests without a gap on cylinder head.
Fig. 534: Identifying Special Tool (11 9 462)
Fit special tool 11 9 463 , secure screw (1) in thread for oil line and tighten down by hand.
Fig. 535: Identifying Special Tool (11 9 462) And (11 9 463)
NOTE: When tightening down screw (2), grip camshaft at hexagon head.
Tighten down screw (2) of exhaust adjustment unit.
Tightening torque 11 36 16AZ.
Fig. 536: Identifying Special Tool (11 9 462)
Release screw (1), remove special tools 11 9 463 and 11 9 462 from exhaust camshaft.
Fig. 537: Identifying Special Tool (11 9 462) And (11 9 463)
Remove special tool 11 9 190.
Crank engine at central bolt twice in direction of rotation until engine returns to firing TDC position of 1st cylinder.
Secure vibration damper with special tool 11 9 190 in firing TDC position of 1st cylinder.
Fig. 538: Identifying Special Tool (11 9 190)
Place special tool 11 9 461 on inlet camshaft and check timing.
NOTE: The timing is correctly adjusted when special tool 11 9 461 rests flat on the cylinder head or protrudes by up to 0.5 mm to the exhaust side.
Remove special tool 11 9 461 from inlet camshaft.
Fig. 539: Identifying Special Tool (11 9 461)
Place special tool 11 9 462 on exhaust camshaft and check timing.
NOTE: The timing is correctly adjusted when special tool 11 9 462 rests flat on the cylinder head or protrudes by up to 0.5 mm to the exhaust side.
Fig. 540: Identifying Special Tool (11 9 462)
Remove all special tools.
Assemble engine.