Overview - Charge Air System, Engine-Side, AUDI A8
WARNING: This page is about a different car, the 2022 Audi SQ7. However, it is still accessible from the selected car via links, so may be relevant.
- Air Duct Hose
- Right Lower Air Duct Pipe
- Removing and installing. Refer to AIR DUCT PIPE, REMOVING AND INSTALLING .
- Bolt
- 9 Nm
- O-Ring
- Replace after removing
- O-Ring
- Replace after removing
- Red
- Venturi Injector
- Quantity: 2
- O-Ring
- Replace after removing
- Green
- Bolt
- 9 Nm
- Upper Air Guide Pipe
- Removing and installing. Refer to AIR DUCT PIPE, REMOVING AND INSTALLING .
- Disconnect and connect the crankcase ventilation hose. Refer to Figure.
- Bolt
- 9 Nm
- Seal
- Replace after removing
- Turbocharger
- Cylinder Bank 1 (Right)
- Overview. Refer to OVERVIEW - TURBOCHARGER .
- Turbocharger
- Cylinder Bank 2 (Left):
- Overview. Refer to OVERVIEW - TURBOCHARGER .
- Seal
- Replace after removing
- O-Ring
- Replace after removing
- Grey
- O-Ring
- Replace after removing
- Red
- O-Ring
- Replace after removing
- Black
- O-Ring
- Replace after removing
- Blue
- Line
- For the EVAP system
- O-Ring
- Replace after removing
- Bolt
- 9 Nm
- Bolt
- 5 Nm
- 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
- For the air duct pipe
- Air Duct Pipe
- Bolt
- 7 Nm
- O-Ring
- Replace after removing
- Charge Air Pressure Sensor
- Charge Air Pressure Sensor -G31- cylinder bank 1 (right)
- Removing and installing. Refer to Charge Air Pressure Sensor -G31-, REMOVING AND INSTALLING
- Charge Air Pressure Sensor 2 -G447- Cylinder Bank 2 (left)
- Removing and installing. Refer to Charge Air Pressure Sensor 2 -G447-, REMOVING AND INSTALLING
- Left Lower Air Duct Pipe
- Removing and installing. Refer to AIR DUCT PIPE, REMOVING AND INSTALLING .
Crankcase Ventilation Hose on the Upper Air Duct Pipe, Rest of World Market Versions
The crankcase ventilation hose -2- cannot be removed from the air duct pipe -1- without damage.
- Replace the crankcase ventilation hose after removal.
-- Pry out the crankcase ventilation hose carefully using a bolt driver at the same time do not damage the air duct pipe.
-- Attach the new crankcase ventilation hose until it audibly locks on the air duct pipe.
Crankcase Ventilation Hose on the Upper Air Duct Pipe, North American market version
CAUTION:
Risk of a violating emissions legislation on USA vehicles by the intake of leaked air.
- Do not open the hose connection on the crankcase ventilation.
-- Do not disconnect the hose -2- for the crankcase ventilation.
- The crankcase ventilation hose is not available separately.
- The crankcase ventilation hose is available in the air duct pipe delivery package -1-.