Crankshaft Main Bearing

Crankshaft
Main bearing journal diameter 63.0 mm (2.4803 inch)
Main bearing journal maximum taper 0.020 mm (0.0007 inch)
Main bearing journal maximum out-of-round 0.05 mm (0.002 inch)
Main bearing journal-to-cylinder block clearance 0.027 - 0.065 mm (0.0011 - 0.0026 inch)
Main bearing bore inside diameter 72.401 - 72.422 mm (2.850 - 2.851 inch)








Main Bearing Size Codes





Remove and discard the main cap bolts.

Vertical main bearing cap bolts
First pass 40 Nm (30 ft. lbs.)
Final pass tighten 90°





Remove and discard the cross-mounted main cap bolts.

Jack screws
First pass 5 Nm (44 inch lbs.)
Final pass 10 Nm (89 inch lbs.)





Remove and discard the cross-mounted main cap bolts.

Side bolts 21 Nm (15 ft. lbs.)