Crankshaft Overview

Crankshaft Overview

• Before removing the crankshaft, prepare a suitable place to store the crankshaft to make sure that the sensor wheel (item - 6 -) does not make contact or become damaged.

• When performing repair work, secure engine to Engine and Transmission Holder (VAS 6095) or Holding Fixture (VW 540) with supplementary set (VW 540/1 B).






1 Bearing Cap

• Bearing cap 1: Vibration damper side

• Bearing cap 5 with notches for thrust washers

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

2 Bolt

• Replace

• 30 Nm + 180° (1/2) additional turn.

• 2 x 90° further turns is permitted

3 Bearing Shell 1 through 7

• For bearing cap without oil groove

• For cylinder block with oil groove

• Do not interchange used bearing shells (mark)

4 Thrust Washer

• For bearing cap 5

• Observe locating point

5 Crankshaft

• If the crankshaft if being replaced, then the bearing shells must be re-allocated. Refer to => [ Crankshaft Bearing Shell, Allocating ] Service and Repair.

• Before removing, observe note in => [ Crankshaft Overview ] Crankshaft Overview.

• Removing and installing needle bearing. Refer to => [ Crankshaft Needle Bearings ] Service and Repair.

• Axial clearance

New: 0.07 to 0.23 mm

Wear limit: 0.30 mm

• Measure radial clearance with Plastigage:

New: 0.02 to 0.06 mm

Wear limit: 0.10 mm

• Do not turn crankshaft when measuring radial play

• Crankshaft dimensions:

Main bearing: 59.958 to 59.978 mm

Connecting rod bearing: 53.958 to 53.978 mm

• Reworking is not permissible

6 Sensor Wheel

• Replace

• For the engine speed (RPM) sensor (G28).

• Installing, refer to => [ Crankshaft Sensor Wheel, Installing ] Service and Repair.

7 Screw

• Replace

• 10 Nm + 90° (1/4) additional turn.

8 Oil Spray Jet

• For crankshaft bearing 2 to 7

• For piston cooling

• Opening pressure 2.0 bar pressure

• Removing and installing, refer to => [ Oil Spray Nozzle, Removing and Installing ] Oil Pan Overview.

• See note => [ Secure engine to when working on engine. ] Chain Drive and Cylinder Block and Lubrication Overview.