Install and adjust variable valve timing unit/gear pulley on camshafts: Tighten
Slacken off the 3 timing gear pulley screws slightly (applies to both timing gear pulleys).
Install the center plug in the variable valve timing unit.
Tighten, see: Summary of tightening torques for specific components .
Hold the center plug at 35 Nm at the same time as tightening the 3 x screws on the camshaft timing gear pulley to: Summary of tightening torques for specific components .
This is to ensure that the variable valve timing unit is in its end position when the timing gear pulley is tightened.
Tighten the 3 x screws on the exhaust camshaft timing gear pulley. Tighten to: Summary of tightening torques for specific components
Remove:
- 9995452 from the rear of the camshafts
- 9995451 . Install new plugs with new sealing washers. Tighten. See: Summary of tightening torques for specific components .
Install the deflection limiter washer on the piston rod for the tensioner/damping unit.