Kia Optima: Evaporative Emission Control System / Fuel Filler Cap

Kia Optima DL3 2019-2025 Service and Repair Manual / Emission Control System / Evaporative Emission Control System / Fuel Filler Cap

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. After the gasket on the fuel filler cap and the filler neck flange contact each other, the ratchet produces a loud clicking noise indicating the seal has been set.

Canister
Repair procedures Removal 1. Disconnect the negative (-) battery cable. 2. Remove the stabilizer bar bushing (A). Tightening ...

Fuel Tank Air Filter
Repair procedures Removal 1. Disconnect the negative battery (-) terminal. 2. Remove the [LH] rear wheel guard. (Refer to Body - "Rear Whee ...

Other information:

Kia Optima DL3 2019-2025 Service and Repair Manual: Positive Crankcase Ventilation (PCV) Valve


Description and operation Operation Principle Repair procedures Removal 1. Disconnect the vapor hose (A). 2. Remove the PCV valve (B). Tightening torque : 1.96 - 2.94 N.m (0.2 - 0.3 kgf.m, 1.45 - 2.17 ...

Kia Optima DL3 2019-2025 Service and Repair Manual: Cooling System


Troubleshooting Engine Overheat Troubleshooting Inspection Remedy Visual inspection Inspect for shortage of coolant in reservoir tank . Reinspect after replenishing coolant. Inspect for coolant pol ...

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