Kia Optima Hybrid: Crankcase Emission Control System / Positive Crankcase Ventilation (PCV) Valve Repair procedures

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual / Emission Control System / Crankcase Emission Control System / Positive Crankcase Ventilation (PCV) Valve Repair procedures

Removal

1.	Disconnect the vapor hose (A).

2.	Remove the PCV valve (B).

Inspection

Insert a thin stick (A) into the PCV valve (B) from the threaded side to check that the plunger movement.

If the plunger does not move (PCV valve is clogged), clean or replace the valve.

Installation

Install in the reverse order of removal.

PCV Valve installation:

1.9 ~ 2.8 N.m (0.19 ~ 0.29 kgf.m, 1.4 ~ 2.1 lb-ft)

Positive Crankcase Ventilation (PCV) Valve Description and Operation

Operation Principle ...

Evaporative Emission Control System

...

Other information:

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

Components 1. Camshaft bearing cap2. Camshaft front bearing cap3. Exhaust camshaft4. Intake camshaft5. Exhaust CVVT assembly6. Intake CVVT assembly7. Exhaust camshaft upper bearing8. Exhaust camshaft lower bearing9. MLA (Mechanical lash adjuster)10. Retainer lock11. Retainer 12. Valve spring13. Valve ...

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

Inspection 1. Press the MODE switch more then 4 times within 2 seconds while pressing the OFF switch. DisplayFail description00Normal50Cluster ion generator fault * Diagnostic procedure refer to DTC code. Replacement 1. Disconnect the negative (-) battery terminal. 2. Remove the crash pad. (Refer to ...