Overview - Charge Air System

Fig 1: Charge Air System Exploded View

Courtesy of AUDI OF AMERICA, LLC

Charge Air Cooler Housing
- With air guides
- Removing and installing. Refer to CHARGE AIR COOLER HOUSING, REMOVING AND INSTALLING .
Bolt
- 9 Nm
Seal
- Always replace
Seal
- Always replace
Charge Air Cooler
- Removing and installing. Refer to CHARGE AIR COOLER, REMOVING AND INSTALLING .
- After replacing, replace entire amount of coolant
Bolt
- 3.2 Nm
Seal
- Always replace
- For the charge air cooler
Bolt
- Tightening specification -Item 13- OVERVIEW - THROTTLE VALVE CONTROL MODULE .
Air Guide Hose
- To the air guide pipe at the turbocharger
Bolt
- 9 Nm
Turbocharger Recirculation Valve -N249-
- Removing and installing. Refer to Turbocharger Recirculating Valve -N249-, REMOVING AND INSTALLING .
O-Ring
- Always replace
O-Ring
- Always replace
Charge Air Pressure Sensor -G31-
- Removing and installing. Refer to Charge Air Pressure Sensor -G31-, REMOVING AND INSTALLING .
Bolt
- 9 Nm
Bolt
- 9 Nm
Air Guide
Seal
- Always replace
Bolt
- 9 Nm
Air Guide
Seal
- Always replace
Air Guide Hose
- To the air guide pipe at the turbocharger
O-Ring
- Always replace
Turbocharger Recirculation Valve Bank 2 -N427-
- Removing and installing. Refer to Turbocharger Recirculation Valve Bank 2 -N427-, REMOVING AND INSTALLING .
Bolt
- 9 Nm
O-Ring
- Always replace
Charge Air Pressure Sensor 2 -G447-
- Removing and installing. Refer to Charge Air Pressure Sensor 2 -G447-, REMOVING AND INSTALLING .
Bolt
- 9 Nm
Throttle Valve Control Module -J338-
- Removing and installing. Refer to Throttle Valve Control Module -J338-, REMOVING AND INSTALLING .
Seal
- Always replace
Adjusting Buffer
- For the charge air cooler
Bolt
- 9 Nm
Grommet
Seal
- Always replace