Engine Front Cover & Oil Seal

Drain cooling system and remove radiator. Loosen but do not remove generator attaching bolts. Remove fan belt. Bend back tab on crankshaft pulley nut lock washer. Remove pulley nut using suitable tool (Service Tool 18G 98) and pry pulley from crankshaft.
Remove set screws which hold timing cover to front engine plate and remove cover. Using suitable tool (18G 134 & Adapter 18G 134BD), remove front oil seal.
Make sure oil thrower behind crankshaft pulley is installed with face marked "F" away from engine. Fill groove between lips of oil seal with grease and using suitable tool (Service Tool 18G 1044) centralize oil seal on crankshaft.
NOTE: By assembling crankshaft pulley onto front cover before cover is reinstalled, oil seal may be centralized. Lubricate hub and insert into oil seal. Turn in clockwise direction. Push pulley and cover onto crankshaft and make sure that keyway on pulley bore is lined up with Woodruff key on crankshaft.
With timing cover in place, tap pulley onto crankshaft and tighten attaching screws.

CAMSHAFT

Engine & Bearing		Journal Diam. In. (mm)	Clearance In. (mm)	Lobe Lift In. (mm)
All Engines
	No. 1	1.6655-1.6660 (42.30-42.32)	.001-.002 (.03-.05)	.250 (6.35)
	No. 2	1.6228-1.6233 (41.22-41.23)	.001-.002 (.03-.05)
	No. 3	1.3725-1.3735 (34.86-34.89)	.001-.002 (.03-.05)