Hose routing, EVAP canister/leak detection system - 1.8L Turbo 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 - Check valve
- Installed location: Arrow on valve points in direction of flow
2 - Evaporative Emission (EVAP) Canister Purge Regulator Valve N80
- Location: Right front in engine compartment
3 - 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
4 - Ventilation line
- To gravity valve at fuel tank
5 - EVAP canister
- Location: Bottom of spare wheel well
- Removing and installing → Evaporative emissions (EVAP) canister, removing and installing
6 - Connecting hose
- Leak detection pump (LDP)/EVAP canister
- Pressure side
7 - Air filter housing
- For leak detection pump (LDP) V144
8 - Leak detection pump (LDP) V144
- Location: In left rear wheel housing behind wheel housing liner
- Check using "Guided Fault Finding"
- Checking → Leak Detection Pump (LDP) V144 , checking (vehicles with MPI-engine)
- Removing and installing → Leak Detection Pump (LDP) V144 , removing and installing
9 - Vacuum line
- Leak detection pump/Throttle valve control module
10 - Check valves
- Installed location: Arrow on valve points in direction of flow
11 - T-piece
- Location Installation position of T-piece
12 - Throttle valve control module J338