EVAP System, Assembly Overview

EVAP System, Assembly Overview





1 Expansion tank

• Right side

2 Gravity valve

3 Fuel filler tube

4 5 Nm

5 Bracket

6 Vacuum line

• For Leak Detection Pump (LDP) (V144) vacuum supply

• To vacuum connection at intake manifold

• Ensure seated tightly

7 Leak detection pump (LDP) (V144)

• Checking fuel supply system for leaks --> [ EVAP System, Checking for Leaks ] EVAP System, Checking For Leaks

• Black connector, 3-pin

8 Connecting hose

• Between air filter, leak detection pump (V144) and evaporative emission (EVAP) canister purge solenoid valve (N115)

• Ensure seated tightly

9 5 Nm

10 Air filter housing

• Clean if soiled

11 Rubber bushing

• Note installation position

• Replace if damaged

12 Evaporative emission (EVAP) canister purge solenoid valve (N115)

• Black connector, 2-pin

13 EVAP canister

• Component location: In right front wheel housing

14 Screws

• 3 pieces

• 9 Nm

15 Vent line

• To vacuum connection at intake manifold

• Ensure seated tightly

16 Connector

• Black, 2-pin

17 Evaporative Emission (EVAP) Canister Purge Solenoid Valve (N80)

• Note installation position

18 Rubber bracket

• Note installation position

19 Vent line

• Ensure seated tightly

20 Pressure retention valve

• Function --> [ Pressure retention valve function ]

Pressure retention valve function





The pressure retention valve is opened via gravity valve (on expansion tank) for flow in both directions. - Arrow 1 - is the side toward the expansion tank.

On the other side, it is only open to one direction of flow. - Arrow 2 - is the side toward EVAP canister.