Overview - Crankshaft
WARNING: This page is about a different car, the 2021 Volkswagen GTI, 2020 Volkswagen GTI, 2019 Volkswagen GTI, 2018 Volkswagen Golf, and 2018 Volkswagen GTI. However, it is still accessible from the selected car via links, so may be relevant.
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 .
- 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
-- 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° |