Overview - Crankshaft

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NOTE:

Secure the engine to the assembly stand using the Engine and Gearbox Bracket: VAS6095A when performing the assembly work. Refer to ENGINE, SECURING ON ENGINE AND TRANSMISSION HOLDER .

Fig 1: Crankshaft Assembly Overview

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

Cylinder Block
Bearing Shell for Cylinder Block
- With lubricating groove
- Lubricate
- Do not interchange used bearing shells (mark)
- Crankshaft bearing shells identification (classification). Refer to MAIN BEARING SHELLS ALLOCATION .
Crankshaft
- After removal, lay aside so that sensor wheel -item ) Sensor Wheel is not rested on and becomes damaged
- If the crankshaft is being replaced, then the bearing shells must be allocated to the bearing cover. Refer to MAIN BEARING SHELLS ALLOCATION .
- Axial clearance. Refer to CRANKSHAFT, MEASURING AXIAL CLEARANCE .
- Radial clearance. Refer to CRANKSHAFT, MEASURING RADIAL CLEARANCE .
- Do not turn crankshaft when measuring radial play
- Crankshaft dimensions. Refer to CRANKSHAFT DIMENSIONS .
Bearing Shell for Bearing Cap
- Without lubricating groove
- Lubricate
- Do not interchange used bearing shells (mark)
- Crankshaft bearing shells identification (classification). Refer to MAIN BEARING SHELLS ALLOCATION .
Bolt
- Replace after removing
- Tightening sequence. Refer to Fig 2
Bearing Cap
- Bearing cap 1: belt pulley side
- Retaining tabs of bearing shells and cylinder block/bearing caps must lie above one another
Bolt
- 10 Nm + 90°
- Replace after removing
- Replace sensor wheel every time bolts are loosened. Refer to SENSOR WHEEL, REMOVING AND INSTALLING .
Sensor Wheel
- For Engine Speed Sensor -G28-
- It is possible to install in one position only, the holes are offset.
- Replace sensor wheel every time bolts are loosened
- Removing and installing. Refer to SENSOR WHEEL, REMOVING AND INSTALLING .
Thrust Washers
- For bearing 3
- Lubricate
Bolt
- Replace after removing
- Tightening sequence. Refer to Fig 2

Crankshaft, Tightening Sequence

Fig 2: Crankshaft Tightening Sequence

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Tighten the crankshaft bolts in the sequence -1 to 10- and -arrow A- as follows.

Step	Bolts	Tightening Specification/Additional Turn
1.	-1- through -10- and -arrows A-	Install hand-tight
2.	-1- through -10-	65 Nm
3.	-1- through -10-	Turn an additional 90°
4.	-A arrows-	20 Nm
5.	-A arrows-	Turn an additional 90°