Crankshaft: Service and Repair

Crankshaft, removing and installing

Note:
When working on the engine it should be secured to 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 plus an additional 1/4 turn (90 degrees)

^ Always 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 the 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 sensor (-G28-)
^ Always replace sender wheel if securing bolts have been removed
^ Can only be installed in one position. Holes are off-set

9 - 10 Nm plus an additional 1/4turn (90 degrees)

^ Always replace

10 -Thrust washer

^ For bearing cap and cylinder block, bearing 3
^ Note fixing 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 the crankshaft when checking the radial clearance
^ Crankshaft dimensions