4. Tighten locknut (1) with torque wrench to the specified tightening torque, using an Allen wrench to hold the
adjusting screw (2) to prevent it from turning.
Name Size Type Lubricant Value/Standard
Locknut M12x1 Tightening torque 50 Nm +5 Nm
5. Insert feeler gauge between valve bridge and rocker arm to verify that the gauge just passes through the
gap.
Result: If not, adjust valve clearance.
Final steps
1. Remove barring device.
2. Install cylinder head cover (→ Page 124).
MS15054/03E 2018-07 | Valve Drive | 123
TIM-ID: 0000060301 - 002