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: SS-B Solenoid Valve (ON/OFF) Repair procedures

Inspection 1. Turn ignition switch OFF. 2. Remove the air duct (A). Tightening torque: 7.8 ~ 9.8 N.m (0.8 ~ 1.0 kgf.m, 5.8 ~ 7.2 lb-ft) 3. Remove the air cleaner assembly. (1) Disconnect the breather hose (A). (2) Disconnect the air intake hose (B) and then remove the air cleaner assembly (C). Tightening ...

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

Inspection 1. Check signal waveform of Input & output speed sensor using the GDS. Specification: Refer to "Signal Wave Form" section. Removal     • Be sure to read and follow the “General Safety Information and Caution” before doing any work related with the high voltage system. Failure ...