Crankshaft, Assembly Overview

Crankshaft, assembly overview





1 - 40 Nm plus an additional 1/4 turn (90°)
^ Replace
^ Fully threaded
^ Tighten to 40 Nm (but not any further) to measure radial play in crankshaft.

2 - Bearing cap
^ Bearing cap 1: Belt pulley side
^ Retaining tabs of 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(R)
- New: 0.023 to 0.043 mm Wear limit: 0.07 mm
^ Do not turn crankshaft when measuring radial play

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
^ Do not interchange used bearing shells (mark)

7 - Cylinder block





Identification of top 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 bearing thicknesses.

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

G - Yellow
B - Blue
W - White

Note:
^ - Arrow - points in direction of travel.
^ If color markings can no longer be read, use blue bearing shell.
^ The lower crankshaft bearing shells are always shipped as replacement part with "yellow" color marking.