EVAP System Assembly Overview

EVAP System Assembly Overview





1 Expansion tank

• Right side

2 Gravity valve

3 Fuel filler tube

4 Bolt, 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, refer to --> [ Fuel/EVAP System, Checking for Leaks ].

• Black connector, 3 pin.

8 Connecting hose

• Between air filter, LDP (V144) and Evaporative Emission (EVAP) canister purge solenoid valve (N115)

• Ensure seated tightly.

9 Bolt, 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 Bolt

• Quantity: 3

• 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 Regulator Valve 1 (N80)

• Note installation position.

18 Rubber bracket

• Note installation position.

19 Vent line

• Ensure seated tightly.

20 Pressure retention valve

• Function, refer to --> [ Pressure Retention Valve Function ]

Pressure Retention Valve Function





The pressure retention valve is opened via the gravity valve (on the 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.