Overview - Charge Air System, Engine-Side, AUDI S8

Fig 1: Exploded View Of Charge Air System, Engine-Side

Courtesy of AUDI OF AMERICA, LLC

Left Lower Air Duct Pipe
- Removing and installing. Refer to the appropriate Service Information .
Air Duct Hose
Right Lower Air Duct Pipe
- Removing and installing. Refer to the appropriate Service Information .
Bolt
- 9 Nm
Line
- For the EVAP system
O-Ring
- Replace after removing.
- Red
Venturi Injector
- Quantity: 2
O-Ring
- Replace after removing.
- Green
Bolt
- 9 Nm
Right Upper Air Duct Pipe
- Removing and installing. Refer to the appropriate Service Information .
Bolt
- 9 Nm
Seal
- Replace after removing.
O-Ring
- Replace after removing.
- Black
O-Ring
- Replace after removing.
- Blue
Turbocharger
- Cylinder Bank 1 (Right)
- Overview. Refer to OVERVIEW - TURBOCHARGER .
Turbocharger
- Cylinder Bank 2 (Left):
- Overview. Refer to OVERVIEW - TURBOCHARGER .
Seal
- Replace after removing.
Bolt
- 9 Nm
O-Ring
- Replace after removing.
O-Ring
- Replace after removing.
Hose
- For the crankcase ventilation
Left Upper Air Duct Pipe
- Removing and installing. Refer to the appropriate Service Information .
Bolt
- 9 Nm
O-Rings
- Replace after removing.
Bolt
- 5 Nm
Charge Air Pressure Sensor
- Charge Air Pressure Sensor -G31- cylinder bank 1 (right)
- Removing and installing. Refer to the appropriate Service Information
  - Charge Air Pressure Sensor 2 -G447- Cylinder Bank 2 (left)
- Removing and installing. Refer to the appropriate Service Information
Throttle Valve Control Module
- Throttle Valve Control Module -GX3- Cylinder Bank 1 (right)
- Throttle Valve Control Module 2 -GX4- Cylinder Bank 2 (left)
- Overview. Refer to OVERVIEW - INTAKE MANIFOLD .
O-Ring
- Replace after removing.
Bolt
- 3.5 Nm
- Thread cutting
- Position the bolt by hand and tighten it until it finds the old threads. Then tighten the bolt to the specification.
Bracket
Air Duct Pipe
Bolt
- 7 Nm
O-Ring
- Replace after removing.
Bolt
- 9 Nm