Removal and Replacement

Crankshaft Assembly Overview





1 Bolt, 40 Nm + 90° (1/4 turn) additional turn

• Always replace.

• Fully threaded

• Tighten to 40 Nm (but not any further) when measuring radial play in the crankshaft.

2 Bearing cap

• Bearing cap 1: Belt pulley side.

• Retaining tabs of the bearing shells and cylinder block/bearing caps must lie above one another.

3 Bearing shell for bearing cap

• Without lubricating groove.

• Do not interchange used bearing shells (mark).

4 Crankshaft

• Axial play new: 0.07 to 0.21 mm

Wear limit: 0.30 mm

• Measure radial clearance with Plastigage

New: 0.023 to 0.043 mm wear limit: 0.07 mm

• Do not rotate the crankshaft when measuring radial play

• Crankshaft dimensions, refer to --> [ Crankshaft Dimensions ] Specifications.

• Securing the crankshaft, refer to --> [ Crankshaft, Locking ] Crankshaft, Locking.

5 Thrust washers

• For bearing 3.

• Side lubricating grooves face outward.

6 Bearing shell for cylinder block

• With lubricating groove.

• Classification for replacement part ordering, refer to --> [ Identification of Upper Crankshaft Bearing Shells ]

• Do not interchange used bearing shells (mark).

7 Cylinder block

Identification of Upper Crankshaft Bearing Shells





From the factory, the upper bearing shells are allocated to the cylinder block with the correct thickness. Colored spots serve to identify the bearing thicknesses.

The letters marked on the lower sealing surface of the cylinder block identify which bearing thickness must be installed in which location.

G Yellow
B Blue
W White

• - Arrow - points in direction of vehicle travel.

• If the color markings can no longer be read, use the blue bearing shell.

• The lower crankshaft bearing shells are always shipped as replacement part with the yellow color marking.