Crankshaft Main Bearing

CRANKSHAFT MAIN BEARING









Tighten bolts marked with b or 6 using the following three step method, in the sequence shown:
Tighten all bolts 15 Nm (11 ft. lbs.)
Tighten all bolts 27 Nm (20 ft. lbs.)
Tighten all bolts an additional 45°.

Tighten bolts marked with M using the following three step method, in the sequence shown:
Tighten all bolts 15 Nm (11 ft. lbs.)
Tighten all bolts 45 Nm (33 ft. lbs.)
Tighten all bolts an additional 45°.

Crankshaft turning torque should not exceed 5.6 Nm (50 in. lbs.).






CRANKSHAFT MAIN BEARING CLEARANCE

Main Bearing Diametrical Clearance 0.028 - 0.048 mm (0.0011 - 0.0018 in.)
Main Bearing Diametrical Clearance (Max.) 0.058 mm (0.0022 in.)






MAIN BEARING SELECTION

NOTE: There are three different possibilities for the upper main bearings and five different lower main bearings. The upper and lower bearing shells are not interchangeable.