Crankshaft: Service and Repair

Crankshaft, removing and installing

Note:
When working on the engine it should be secured to the engine stand with engine bracket VW 540.





1 - Oil pump

2 - 15 Nm

3 - Chain sprocket

^ For oil pump drive

4 - Bearing caps 1, 2, 4 and 5

^ For bearing cap without oil groove
^ For cylinder block with oil groove
^ Do not interchange used bearing shells (mark)

5 - 65 Nm + 1/4 turn (90 degrees) further

^ Replace
^ Tighten to 65 Nm to measure crankshaft radial play

6 - Bearing cap

^ Bearing cap 1: pulley end
^ Bearing cap 3 with recesses for thrust washers
^ Bearing shell retaining lugs (cylinder block/bearing cap) must be on same side

7 - Bearing shell 3

^ For bearing cap without oil groove
^ For cylinder block with oil groove
^ Do not interchange used bearing shells (mark)

8 - Sensor wheel

^ For Engine speed (RPM) sensor -G28-
^ Always replace sensor wheel if securing bolts have been unscrewed
^ Can only be installed in one position (holes are offset)

9 - 10 Nm + 1/4 turn (90 degrees) further

^ Replace

10 - Thrust washer

^ For bearing cap and cylinder block, bearing 3
^ Note installation arrangement

11 - Crankshaft

^ Axial clearance
New: 0.07 - 0.21 mm
Wear limit: 0.30 mm

^ Check radial clearance with Plastigage TM
New: 0.01 - 0.04 mm
Wear limit: 0.15 mm

^ Do not rotate crankshaft when checking radial clearance
^ Crankshaft dimensions