Nissan Altima 2007-2012 Service Manual: On-vehicle repair

EVAP CANISTER

Exploded View

1. EVAP control system pressure sensor

2. EVAP canister

3. O-ring

4. EVAP canister vent control valve

5. O-ring

Removal and Installation

REMOVAL

1. Lift up the vehicle.

2. Remove EVAP canister fixing bolt.

3. Remove EVAP canister.

NOTE: The EVAP canister vent control valve and EVAP canister system pressure sensor can be removed without removing the EVAP canister.

INSTALLATION

Install in the reverse order of removal.

NOTE: Tighten EVAP canister fixing bolt to the specified torque.

DISASSEMBLY

1. Turn EVAP canister vent control valve counterclockwise.

A : Lock

B : Unlock

2. Remove the EVAP canister vent control valve.

ASSEMBLY

Assemble in the reverse order of disassembly.

CAUTION: Always replace O-ring with a new one.

Inspection

Check EVAP canister as per the following: 1. Block port (B).

2. Blow air into port (A) and check that it flows freely out of port (C).

3. Release blocked port (B).

4. Apply vacuum pressure to port (B) and check that vacuum pressure exists at the ports (A) and (C).

5. Block port (A) and (B).

6. Apply pressure to port (C) and check that there is no leakage.

    Evap leak check
    Inspection CAUTION: • Never use compressed air or a high pressure pump. • Never exceed 4.12 kPa (0.042 kg/cm2, 0.6 psi) of pressure in EVAP system. NOTE: • Do not start engine. • I ...

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