Kia Optima: Evaporative Emission Control System / Canister

Kia Optima DL3 2019-2021 Service and Repair Manual / Emission Control System / Evaporative Emission Control System / Canister

Repair procedures

Disconnect the negative (-) battery cable.


Remove the stabilizer bar bushing (A).

Tightening torque :

7.8 - 9.8 N.m (4.5 - 5.5 kgf.m, 5.8 - 7.2 lb-ft)


Disconnect the vent hose quick-connector (A), the vapor hose quick-connector (B) from the canister.


Remove the canister after loosening the mounting bolts (A).

Tightening torque :

7.8 - 9.8 N.m (1.9 - 2.4 kgf.m, 5.8 - 7.2 lb-ft)


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


Install in the reverse order of removal.

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