Preparation - vehicles with 2.0L 4-cylinder Turbo FSI engine

WARNING: This page does not describe the selected car, but rather 16 other vehicles, including the 2009 Audi S4, 2009 Audi A4, 2008 Audi S4, 2008 Audi RS 4, and 2008 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.

Procedure

Fig 1: Evaporative Emission Canister Purge Regulator Valve N80 And Air Duct

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Remove screws - arrows -.
Remove Evaporative Emission (EVAP) Canister Purge Regulator Valve 1 N80 - 1 - at air duct.
Remove air duct - 2 -.

Fig 2: Identifying Intake, Mass Air Flow (MAF) Sensor G70 Electrical Harness Connector & Air Filter Housing

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Remove air intake hose - 1 - between turbocharger and air cleaner housing.
Disconnect electrical connection - 2 - at Mass Air Flow (MAF) Sensor G70.
Pull off clip - 3 - and remove air cleaner housing together with Mass Air Flow (MAF) Sensor G70.

Install in reverse order of removal.