EVAP Canister/Tank Leak Detection System, Hose Diagram, TFSI Engines

EVAP Canister/Tank Leak Detection System, Hose Diagram, TFSI Engines






1 Separating Point

• At front left in engine compartment under the coolant expansion tank

2 Vent Line

• White

• From EVAP canister to EVAP canister purge regulator valve 1 (N80)

• Installed position: on the right side under the floor panel

• Secured to fuel tank in fuel tank area

3 Vacuum Line

• Green

• Leak detection pump (V144)/engine

• Installed position: on the right side under the floor panel

• Secured to fuel tank in fuel tank area

4 Separating Point

• At right, front on fuel tank in area of fuel filter

5 Fuel Filler Tube

6 Vent Line

• Fuel filler tube/EVAP canister

• Clipped in on bracket

7 Air Filter Housing

• For leak detection pump

8 Leak Detection Pump (V144)

• Installed location: under the wheel housing liner in right rear wheel housing

• Checking: in guided fault finding

• Removing and installing, refer to => [ Leak Detection Pump ] Leak Detection Pump

9 Connecting Pipe

• Leak detection pump/EVAP canister

• Clipped in on bracket

10 EVAP Canister

• Installed location: in the bottom of the spare wheel well

• Removing and installing, refer to => [ EVAP Canister ] EVAP Canister

11 Separating Point

• At right rear on fuel tank

12 Turbocharger

13 Brake Booster

14 Vacuum Pump

15 Non-Return Valve

• Installed position: the - arrow - points in the flow direction

16 EVAP Canister Purge Regulator Valve 1 (N80)

• Installed location: in the front of the engine compartment

17 Double Check-Valve

18 Throttle Valve Control Module (J338)

19 Intake Manifold