8.5.3 Valve clearance – Check and adjustment
Preconditions
☑ Engine is stopped and starting disabled.
☑ Engine coolant temperature is max. 40 °C.
☑ Valves are closed.
Special tools, Material, Spare parts
Designation / Use Part No. Qty.
Feeler gage
Y20098771 1
Torque wrench, 60–320 Nm
F30452768 1
Socket box wrench
F30039526 1
Engine oil
Preparatory steps
1. Remove cylinder head cover (→ Page 94).
2. Install barring tool (→ Page 75).
3. Use barring tool to turn crankshaft in direc-
tion of rotation until marking OT-A1 (1) and
pointer (2) are aligned.
90 | Valve Drive | MS150049/04E 2017-04
TIM-ID: 0000004357 - 008
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