Crankshaft Main Bearing

Guide Frame





Replace the guide frame bolts - 1 through 16 -.
Insert the long bolts in the inner row of the guide frame.
Tighten the bolts - 1 through 31 - in 3 passes as follows:







Crankshaft Bearing Shell to Cylinder Block Allocation





Bearing shells with the correct thickness are allocated to the cylinder block by the factory. Colored dots on the sides of the bearing shells serve for identifying the bearing shell thickness.

Allocation of the bearing shells to the cylinder block is marked by a letter on the respective bearing on the guide frame - 1 through 4 -.






Crankshaft Bearing Shell to Guide Frame Allocation





Bearing shells with the correct thickness are allocated to the guide frame by the factory. Colored dots on the sides of the bearing shells serve for identifying the bearing shell thickness.

The allocation of the bearing shells for the guide frame is identified by a series of letters on the crankshaft flange. The first letter in the row of letters represents bearing "1", the second letter is for bearing "2", etc.












Main Bearing Clearance

Axial clearance:
0.15 to 0.25 mm






Main Bearing Clearance

Radial clearance:
New: 0.015 to 0.055 mm
Wear limit: 0.08 mm






Crankshaft Dimensions