Hose routing, EVAP canister/leak detection system (6-cyl. FSI-engine): Notes
WARNING: This page does not describe the selected car, but rather 15 other vehicles, including the 2008 Audi S4, 2008 Audi RS 4, 2008 Audi A4, 2007 Audi S4, and 2007 Audi RS 4. However, it is still accessible from the selected car via links, so may be relevant.
1 - To Intake Air Switch-over valve N335
2 - Vacuum pump
- For brake booster
3 - To brake booster
4 - Throttle valve control module J338
5 - Evaporative emission (EVAP) canister purge regulator valve N80
- Location: Right front in engine compartment
6 - Ventilation line
- From EVAP canister to Evaporative Emission (EVAP) Canister Purge Regulator Valve N80
- Installed location: At right beneath vehicle floor
- Secured to fuel tank in fuel tank area
7 - Ventilation line
- To fuel tank filler tube
8 - EVAP canister
- Location: Bottom of spare wheel well
- Removing and installing → Evaporative emissions (EVAP) canister, removing and installing
9 - Connecting hose
- Pressure side
10 - EVAP filter
11 - Air filter housing
- For leak detection pump (LDP) V144
12 - Leak detection pump (LDP) V144
- Location: In left rear wheel housing behind wheel housing liner
- Checking → Leak Detection Pump (LDP) V144 , checking (vehicles with MPI-engine)
- Removing and installing → Leak Detection Pump (LDP) V144 , removing and installing
13 - Vacuum line
- Engine/Leak Detection Pump (LDP) V144
14 - Separating point
- Location Separation point location
15 - Intake manifold upper part
16 - Check valve
- Installed location: - Arrow - points in direction of flow