4.
Rotate crankshaft with barring tool in en-
gine direction of rotation until marking
'TDC-A1' and pointer are aligned.
Diagram for 12V engines (two
crankshaft positions)
1 Cylinder A1 is in firing TDC
2 Cylinder A1 is in overlap TDC
I Inlet valve
X Exhaust valve
Diagram for 16V engines (two
crankshaft positions)
1 Cylinder A1 is in firing TDC
2 Cylinder A1 is in overlap TDC
I Inlet valve
X Exhaust valve
138 | Task Description | MS150035/01E 2013-11
TIM-ID: 0000012224 - 006