Crankshaft: Service and Repair

Crankshaft Overview

• For assembly work, secure the engine on the engine and transmission holder (VAS 6095) => [ Engine, Securing to Engine and Transmission Holder ] Procedures.






1 Crankshaft

• Measuring axial play, refer to => [ Crankshaft, Measuring Axial Play ] Crankshaft, Measuring Axial Play

• Radial clearance, measuring, refer to => [ Crankshaft, Measuring Radial Play ] Crankshaft, Measuring Radial Play

• Crankshaft dimensions, refer to => [ Crankshaft Dimensions ] [1][2]Crankshaft, Engine

2 Alignment Bushing

• 2 pieces

• Insert in cylinder block

3 Guide Frame

4 Bolt

• Replace

5 Thrust Washer

• Only at 3rd crankshaft bearing

• Installation position: lubricating grooves face outward

• Observe locating point

6 Bearing Shell

• For guide frame

• Mark used bearing shells for reinstallation but not on the running surface

• Replace the bearing shells worn down to the base layer

• Insert new bearing shells for guide frame with proper color marking

7 Centering Bushing for Torque Converter

• Install in the crankshaft

8 Fitting Pin

• Make sure the crankshaft fits correctly

9 Thrust Washer

• Only at 3rd crankshaft bearing

• Installation position: lubricating grooves face outward

• Observe locating point

10 Bearing Shell

• For cylinder block with oil groove

• Mark used bearing shells for reinstallation but not on the running surface

• Replace the bearing shells worn down to the base layer

• Insert new bearing shells for cylinder block with proper color marking

Guide Frame Tightening Specifications and Sequence





• Replace bolts which have been tightened to an additional torque.

- Install both dowel sleeves into the cylinder block.

- Tighten the bolts in 3 steps according to the tightening sequence:






Allocation of Crankshaft Bearing Shells for Cylinder Block





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

• - Arrow - points to belt pulley side.

Allocation of bearing shells to cylinder block is identified with a letter by each bearing.






Allocation of Crankshaft Bearing Shells for Guide Frame





• Bearing shells with correct thickness are allocated to bearing cap at the factory. Colored dots on bearing shells serve for identifying bearing shell thickness.

• Allocation of bearing shells to crankshaft is identified with sequence of letters on crankshaft side. The prefix "1" - arrow - indicates color code for bearing 1.