Kia Optima Hybrid: Evaporative Emission Control System / Fuel Filler Cap Description and Operation

Kia Optima Hybrid (TF HEV) 2016-2020 Service 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 seals 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. Turn the ignition switch OFF and disconnect the auxiliary battery 12 (V) negative (-) terminal. 2. Lift the vehicle. 3. Remove the rear muffler hanger (A). 4. Remove the rear suspension damper ...

Fuel Tank Air Filter Repair procedures

Removal 1. Turn the ignition switch OFF and disconnect the battery negative (-) cable. 2. Lift the vehicle. 3. Disconnect the canister close valve connector (A). 4. Disconnect the ventilation hose (B) ...

Other information:

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Intake Manifold Components and Components Location

Components 1. Intake manifold assembly 2. Intake manifold gasket3. ETC (Electronic throttle body)4. Intake manifold stay ...

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Troubleshooting

Troubleshooting SymptomSuspect AreaReferenceLower pedal or spongy pedal1. Integrated Brake Actuation Unit (Air in)air·bleed2. AHB system (Fluid leaks)replace3. Piston seals in IBAU (Worn or damaged)replaceBrake drag1. Brake pedal free play (Minimum)adjust2. Pad or lining (Cracked or distorted)replace3. ...