Kia Optima DL3: Evaporative Emission Control System / Canister

Kia Optima DL3 2019-2026 Service and Repair Manual / Emission Control System / Evaporative Emission Control System / Canister

Repair procedures

Removal
1.

Disconnect the negative (-) battery cable.

2.

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)

3.

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

4.

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)

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.

    Description and operation Description Evaporative Emission Control System prevents fuel vapor stored in fuel tank from vaporizing into the atmosphere.

    Description and operation Description A 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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    C

    Kia Optima DL3 2019-2026 Service and Repair Manual: Smart Key Diagnostic

    Repair procedures Inspection 1. In the body electrical system, failure can be quickly diagnosed by using the vehicle diagnostic system (KDS). The diagnostic system (KDS) provides the following information. (1) Self diagnosis : Checking failure and code number (DTC).

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