7.4.2 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 gauge
Y20010128
1
Torque wrench, 60-320 Nm
F30047446
1
Allen key
F30002817
1
Socket wrench, 24 mm
F30039526
1
Engine oil
Preparatory steps
1.
Remove cylinder head cover (→ Page 75).
2.
Install barring tool (→ Page 63).
3.
Rotate crankshaft with barring tool in en‐
gine direction of rotation until marking "OT-
A1" and pointer are aligned.
MS150064/01E 2011-11 | Task Description | 73
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