7.4 Valve Drive
7.4.1 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
Y4342013
1
Torque wrench, 20-100 Nm
F30026582
1
Ratchet
F30027340
1
Engine oil
Preparatory steps
1.
Remove cylinder head cover (→ Page 80).
2.
Install barring device (→ Page 67).
3.
Bar engine with barring device in engine di-
rection of rotation until TDC pointer and
TDC mark on the flywheel are aligned.
Diagram for 12V engines (two
crankshaft positions)
MS15018/02E 2013-09
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