Operation CHARM: Car repair manuals for everyone.

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.)