Overview - Timing Chain Cover
WARNING: This page is about a different car, the 2018 Audi TT Quattro. However, it is still accessible from the selected car via links, so may be relevant.
- Transmission Side Crankshaft Seal
- Replacing. Refer to CRANKSHAFT SEAL, REPLACING, TRANSMISSION SIDE .
- Lower Timing Chain Cover
- Removing and installing. Refer to LOWER TIMING CHAIN COVER, REMOVING AND INSTALLING .
- Install with sealant. Refer to the Parts Information for the correct sealant.
- Alignment Sleeve
- Bolt
- Tightening specification and sequence. Refer to Fig 3.
- Bolt
- Tightening specification. Refer to OVERVIEW - VACUUM PUMP .
- Vacuum Pump
- For the brake booster
- Removing and installing. Refer to VACUUM PUMP, REMOVING AND INSTALLING
- Seal
- For the vacuum pump
- Installation instructions. Refer to OVERVIEW - VACUUM PUMP .
- Cylinder Head Gasket
- Overview. Refer to OVERVIEW - CYLINDER HEAD .
- Seal
- Replacing. Refer to UPPER TIMING CHAIN COVER SEAL, REPLACING .
- Bolt
- Tightening specification and sequence. Refer to Fig 2.
- Bolt
- 9 Nm
- Bracket
- For the connectors
- Bracket
- Nut
- 9 Nm
- Double Bolt
- Tightening specification and sequence. Refer to Fig 2.
- Upper Timing Chain Cover
- Removing and installing. Refer to UPPER TIMING CHAIN COVER, REMOVING AND INSTALLING .
- Install with sealant. Refer to the Parts Information.
- O-Ring
- Replace after removing.
- Sealing Sleeve
- Replace after removing.
- Installation position. Refer to Installing - The sealing sleeve must project the dimension -a- out of the contour of the lower timing chain cover. .
- Alignment Sleeve
- Bolt
- Tightening specification -item 20- Bolt .
- Engine Speed Sensor -G28-
- Overview. Refer to OVERVIEW - IGNITION SYSTEM .
Upper Timing Chain Cover - Tightening Specifications and Sequence
-- Tighten the bolts in the steps shown in the sequence:
| Step | Bolts | Tightening Specification |
|---|---|---|
| 1. | -1 to 12- | Install by hand all the way |
| 2. | -1 to 12- | 9 Nm |
Lower Timing Chain Cover - Tightening Specification and Sequence
- Replace the bolts that were tightened with an additional turn after removing them.
-- Tighten the bolts in steps:
| Step | Bolts | Tightening Specification |
|---|---|---|
| 1. | -1 to 6- and -arrows- | Install by hand all the way |
| 2. | -arrows- | 5 Nm |
| 3. | -1 to 6- | 8 Nm diagonally |
| 4. | -arrows- | 8 Nm |
| 5. | -1 to 6- | 45° additional turn |
| 6. | -arrows- | 90° additional turn |