Overview - Crankshaft: Notes
NOTE:
Before removing crankshaft, prepare for appropriate storage, so that sensor wheel -item ) OVERVIEW - CRANKSHAFT- does not make contact or become damaged.
Secure the engine to the assembly stand using the Holding Fixture :VW540 when performing assembly work. To do so, also use the Holding Fixture - Spacers :VW540/1B .
- Oil Pump
- With pressure relief valve 12 bar (174 psi)
- Before installing, check to be sure both alignment bushings are present (for centering oil pump/cylinder block)
- Removing and installing. Refer to OIL PUMP, REMOVING AND INSTALLING .
- Bolt
- 15 Nm
- Chain Sprocket
- For oil pump drive
- Bearing Shells
- Classification for replacement part ordering. Refer to Crankshaft Bearing Shells For Cylinder Block (Engine Codes: AEG, AVH, AZG, BEV) .
- For bearing cap without oil groove
- For cylinder block with oil groove
- Do not interchange used bearing shells (mark)
- Bolt
- 65 Nm +90°
- Replace after removing
- Fully threaded
- Only tighten crankshaft to 65 Nm to measure radial play.
- Bearing Cap
- Bearing cap 1: belt pulley side
- Bearing cap 3: with openings for thrust washers
- Retaining tabs of bearing shells and cylinder block/bearing caps must lie above one another
- Bearing Shell 3
- Classification for replacement part ordering. Refer to Crankshaft Bearing Shells For Cylinder Block (Engine Codes: AEG, AVH, AZG, BEV)
- For bearing cap without oil groove
- For cylinder block with oil groove
- Do not interchange used bearing shells (mark)
- Sensor Wheel
- Replace after removing
- For Engine Speed Sensor -G28-
- It is possible to install in one position only, the holes are offset asymmetrically.
- Bolt
- 10 Nm +90°
- Replace after removing
- Thrust Washer
- For bearing cap, bearing 3
- Pay attention to the locating point
- The letters face the bracket
- Crankshaft
- Axial play
New: 0.07 to 0.23 mm wear limit: 0.30 mm
- Measure the radial clearance with a Plastigauge®.
New: 0.01 to 0.04 mm Wear limit: 0.15 mm
- Do not turn crankshaft when measuring radial play
- Crankshaft dimensions. Refer to CRANKSHAFT DIMENSIONS .
- Axial play
- Thrust Washer
- For cylinder block, bearing 3
- The letters face the bracket