Kia Optima Hybrid: Exhaust Emission Control System / Catalytic Converter Description and Operation

Description and Operation

Description Exhaust emissions (CO, HC, NOx) are controlled by a combination of engine modifications and the addition of special control components. Modifications to the combustion chamber, intake manifold, ...

CVVT (Continuously Variable Valve Timing) System Description and Operation

Description Continuous Variable Valve Timing (CVVT) system advances or retards the valve timing of the intake and exhaust valve in accordance with the ECM control signal which is calculated by the engine ...

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Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: 26 Brake Control Solenoid Valve(26/B_VFS) 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: Repair procedures

Refrigerant System Service Basics • Since the electric compressor uses high-voltage, you should use PVE or POE oil which have high Volumetric Resistivity. • Do not use the same A/C recovery / charging station as conventional belt-driven compressors.     If the PVE or POE oil of the system ...