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8.5.2 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 gage
Y20010128
1
Valve setting gage
Y4349603
1
Torque wrench, 60–320 Nm
F30452768
1
Socket wrench, 24 mm
F30039526
1
Engine oil
Preparatory steps
1.
Remove cylinder head covers (→ Page 170).
2.
Install barring device (→ Page 158).
Note:
The pointer (1) is in the lower opening of the
flywheel housing (arrow).
3.
Use barring device to turn crankshaft in en-
gine direction of rotation until marking
OT/A1 on the rear side of the flywheel and
pointer (1) are aligned.
MS15035/00E 2018-08
| Valve Drive | 167
TIM-ID: 0000012224 - 009
Summary of Contents for 12V4000M*3 series
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