Kia Optima Hybrid: Emission Control System / Exhaust Emission Control System

NVLD(Natural Vacuum Leakage Detection) Repair procedures

Removal 1. Turn the ignition switch OFF and disconnect the battery negative (-) terminal. 2. Disconnect the NVLD connector (A). 3. Disconnect the ventilation hoses (B,C). 4. Remove the NVLD after by loosening ...

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, ...

Other information:

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


Replacement 1. Remove the front wheel & tire. Tightening torque: 88.3 ~ 107.9N.m(9.0 ~ 11.0kgf.m, 65.1~79.6lb-ft)     Be careful not to damage to the hub bolts when removing the front wheel & tire. 2. Loosen the bolt (A) and then disconnect the universal joint assembly from the pinion ...

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 ...

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