Engine Overhaul Manual v8 4.0 4.6
ENGINE
18
OVERHAUL
Timing gears - refit
1. Clean gear locations on camshaft and
crankshaft, fit Woodruff key to crankshaft.
2. Temporarily fit crankshaft gear and if
necessary, turn crankshaft to bring timing mark
on gear to the twelve o’clock position, remove
gear.
3. Temporarily fit camshaft gear.
4. Turn camshaft until mark on camshaft sprocket
is at the six o’clock position, remove gear
without moving camshaft.
5. Position timing gears on work surface with
timing marks aligned.
6. Fit timing chain around gears, keeping timing
marks aligned.
7. Fit gear and chain assembly.
NOTE: Timing marks must be facing
forwards.
8. Fit camshaft gear bolt, restrain camshaft gear
and tighten bolt to 50 Nm (37 lbf.ft).