Hyundai Elantra (CN7): Evaporative Emission Control System / Canister

Hyundai Elantra (CN7) 2021-2025 Service Manual / Emission Control System / Evaporative Emission Control System / Canister

Repair procedures

Removal
1.
Turn the ignition switch OFF and disconnect the negative (-) battery cable.
2.
Disconnect the vent hose (A).

3.
Remove the fuel tank air filter (A) by rotating it 30 degrees.

4.
Disconnect the vapor hose quick-connectors (A).

5.
Remove the canister (A).
Tightening torque :
9.8 - 11.8 N.m (1.0 - 1.2 kgf.m, 7.2 - 8.7 lb-ft)

Inspection
1.
Check for the following items visually.
–
Cracks or leakage of the canister
–
Loose connection, distortion, or damage of the vapor hose/tube

A : Canister ↔ Atmosphere
B : Canister ↔ Fuel Tank
C : Canister ↔ Intake Manifold
Installation
1.
Install in the reverse order of removal.

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    Description and operation DescriptionA ratchet tightening device on the threaded fuel filler cap reduces the chances of incorrect installation, which would seal the fuel filler.

    Other information:

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