Evaporative Emission Components
Evaporative Emission Components
• Hose connections are secured with either spring type or clamp type clips.
• Hose clip pliers (VAS 6340) or hose clip pliers (VAS 6362) are recommended for installing spring loaded band type clamps.
Meaning of the colors or colored marks on the connector couplings for the fuel, vacuum and ventilation lines.
=> [ Evaporative Emission System Overview ]
GTI => [ Evaporative Emission Components Overview ]
Eos => [ Evaporative Emission Components Overview ]
Evaporative Emission System Overview
1 Separating Point
• On the right front side in the engine compartment under the coolant expansion tank.
2 Vent Line
• White or with a white mark.
• From the Evaporative Emission (EVAP) canister to the EVAP canister purge regulator valve.
• Installed location: on the right side of the underbody.
• Secured to the fuel tank.
3 Vent Line
• Green or with a green mark.
• From the engine to the Leak Detection Pump (LDP).
• Installed location: on the right side of the underbody.
• Secured to the fuel tank.
4 Separating Point
• On the right front of the fuel tank, in the area of the fuel filter.
5 Fuel Filler Tube
6 Vent Line
• From the filler connection to the EVAP canister.
7 Air Filter Housing
• For the LDP.
8 Leak Detection Pump (LDP) (V144)
• Installed location: under the right rear wheel housing liner.
• Removing and installing, refer to => [ Leak Detection Pump ] Evaporative Emission System Components.
• Checking the fuel/EVAP system for leaks, refer to => [ Fuel and Evaporative Emission System, Checking for Leaks ] Fuel and Evaporative Emission System, Checking for Leaks.
9 Connecting Line
• From the LDP to the EVAP canister.
• Clipped to the bracket.
10 EVAP Canister
• Installed location: under the spare tire wheel well.
• Removing and installing, refer to => [ Evaporative Emission Canister ] Evaporative Emission System Components.
11 Separating Point
• At the right rear of the fuel tank.
12 Turbocharger
13 Brake Booster
14 Vacuum Pump
15 Non Return Valve
• Installed position: the arrow points in the flow direction.
16 Evaporative Emission (EVAP) Canister Purge Regulator Valve 1 (N80)
• Checking, refer to the vehicle diagnostic tester.
17 Double Check Valve
• Checking, refer to => [ Double Check-Valve, Checking ] Testing and Inspection.
18 Throttle Valve Control Module (J338)
Removing and installing, refer to => [ Throttle Valve Control Module ] Removal and Replacement.
19 Intake Manifold
Evaporative Emission Components Overview
1 Fuel Tank
2 Vent Line
• Behind the wheel housing liner.
3 Vent Line
• On the underbody.
4 Vent Line
• To the Evaporative Emission (EVAP) canister purge regulator valve (N80).
• To remove, press the release button.
5 Bolt
• 8 Nm
6 EVAP Canister
• Installed location: under the spare tire wheel well.
• Removing and installing, refer to => [ Evaporative Emission Canister ] Evaporative Emission System Components.
7 Connecting Line
• On the underbody.
8 Connecting Line
• Behind the wheel housing liner.
9 Bolt
• 3 Nm
10 Air Filter Housing
• For the Leak Detection Pump (LDP).
11 Connecting Hose
12 Bracket
• For the LDP.
13 Bolt
• 2 Nm
14 Nut
• 6 Nm
15 Leak Detection Pump (LDP) (V144)
• Installed location: under the right rear wheel housing liner.
• Removing and installing, refer to => [ Leak Detection Pump ] Evaporative Emission System Components.
• Checking the fuel/EVAP system for leaks, refer to => [ Fuel and Evaporative Emission System, Checking for Leaks ] Fuel and Evaporative Emission System, Checking for Leaks.
16 Connector
17 Vacuum Line
• From the intake manifold.
Evaporative Emission Components Overview
1 Hose Bracket
2 Ventilation Line
• To remove and install, remove the bumper.
3 Air Filter Housing
• For the Leak Detection Pump (LDP).
4 Nut
• 6 Nm
5 Bracket
• For the LDP.
6 Bolt
• 3 Nm
7 Mounting Plate
8 Rubber Bushing
9 Bolt
• 8 Nm
10 Leak Detection Pump (LDP) (V144)
• Installed location: behind the right rear wheel housing liner.
• Removing and installing, refer to => [ Leak Detection Pump ] Evaporative Emission System Components.
• Checking the fuel/Evaporative Emission (EVAP) system for leaks, refer to => [ Fuel and Evaporative Emission System, Checking for Leaks ] Fuel and Evaporative Emission System, Checking for Leaks.
11 Hose Clamp
12 Connecting Hose
13 Vent Line
• Behind the right rear wheel housing liner.
14 Fuel Tank
15 Vent Line
• To the EVAP canister purge regulator valve (N80 ).
• To remove, press the release button.
16 Vent Line
• On the underbody.
17 EVAP Canister
• Installed location: under the bottom of the spare tire wheel well.
• Removing and installing, refer to => [ Evaporative Emission Canister ] Evaporative Emission System Components.
18 Connecting Line
• EVAP canister to LDP.
19 Vacuum Line
• To the intake manifold.
20 Bolt
• 2 Nm