Kia Optima Hybrid: Engine Mechanical System / Cylinder Head Assembly

Timing Chain Repair procedures

Removal     • Use fender covers to avoid damaging painted surfaces. • To avoid damage, unplug the wiring connectors carefully while holding the connector portion.     Mark all wiring ...

Valve Clearance Adjustment

Valve Clearance Inspection And Adjustment     Inspect and adjust the valve clearance when the engine is cold (Engine coolant temperature : 20°C (68°F)) and cylinder head is installed on the ...

Other information:

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Fuel Tank Repair procedures

Removal 1. Release the residual pressure in fuel line (Refer to “Release Residual Pressure in Fuel Line”). 2. Lift the vehicle. 3. Remove the front side cover (A) and rear side cover (B). 4. Disconnect the fuel feed tube hose (A), leveling hose (B) and vapor hose quick-connector C). 5. Remove rear ...

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

Adjustment TCM Learning When shift shock is occurred or parts related with the transaxle are replaced, TCM learning should be performed. In the following case, TCM learning is required. • Transaxle assembly replacement • TCM replacement • Valve body replacement • TCM upgrading TCM learning procedure ...