Evaporative Emissions System: Locations

EVAP Canister/leak Detection System, 8-cyl. FSI Engine (Audi RS4), Component Overview







1 - Nut, 2.3 Nm
2 - Purge line
- To Evaporative Emission (EVAP) Canister Purge Regulator Valve N80
- To disconnect, press release button on connector
3 - Vent line
- From gravity valve at fuel tank
- To disconnect, press release button on connector
4 - EVAP canister
- Location: Bottom of spare wheel well
5 - Air filter housing
- For Leak detection pump (LDP) V144
- No maintenance schedule
6 - 4 Nm
7 - Vacuum line
- To Leak detection pump (LDP) V144
8 - Cable tie
- To fasten vacuum line to bracket for leak detection pump
9 - Leak detection pump (LDP) V144
- Component location: In left rear wheel housing behind wheel housing liner
10 - Electrical harness connector
11 - Leak detection line
- Leak detection pump/EVAP canister
- Pressure side
- To remove from leak detection pump, press release button on connection
12 - Connecting hose
- Leak diagnosis pump/air filter
13 - Cable tie
- To fasten hose to bracket of leak detection pump
14 - Cable tie
- To fasten connecting hose to wheel housing
15 - Leak detection line
- Leak detection pump/EVAP canister
- Pressure side
- To disconnect, press release button on connector
16 - Bolt, 9 Nm
17 - EVAP canister cover
18 - Bolt, 2 Nm