Engine-Engineandcrankcase
Engine-Serviceinstruction-FindingTopDeadCenter(TDC)
Forengineswithafullywheelhousing
1.Usingthetool380000137,turntheengineywheel(1)
inthedirectionofnormalrotationuntilyouseethehole
withtworeferencemarks(3)throughtheinspection
windowatthebottomofthehousing.
2.Continuetoturntheywheeluntilthefollowinghole
withonereferencemark(2)canbeseen.Thismarks
TDCofthenumberonecylinder.
NHIL13ENG1171AA1
3.TheexactpositionofpistonnumberoneatTDCisob-
tainedwhenthetool380000150(1)canbeinserted
throughthehole(2)oftheywheelspeedsensorand
engagethehole(3)intheengineywheel(4).
4.Removethetool
380000150(1).
NHIL13ENG1231AA2
Forengineswithapartialywheelhousing
1.Removetheywheelspeedsensor.
2.Usethetool
380002958torotatetheengineywheel
(1)inthedirectionofnormalrotationuntilyouseethe
holewithtworeferencemarks(3)throughtheholefor
theywheelspeedsensor.
3.Continuetoturntheywheeluntilthefollowinghole
withonereferencemark(2)canbeseen.Thismarks
TDCofthenumberonecylinder.
NHIL13ENG1171AA3
4786998101/05/2015
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