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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 on intake manifold --> [ (Item 9) Vacuum connection ] Service and Repair

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 contaminated

11 Rubber bushing

Note installation position

Replace if damaged

12 Evaporative emission (EVAP) canister purge regulator valve 2 (N115)

Black connector, 2-pin

13 EVAP canister

Component location: in right rear wheel housing

14 Screws

3 pieces

9 Nm

15 Vent line

To vacuum connection on intake manifold --> [ (Item 11) Vacuum connection ] Service and Repair

Ensure seated tightly

16 Connector

Black, 2-pin

17 Evaporative emission (EVAP) canister purge regulator valve 1 (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 the 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 the EVAP canister.