Kia Optima Hybrid: Crankcase Emission Control System / Repair procedures

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

Inspection

1.	After disconnecting the vapor hose from the PCV valve, remove the PCV valve.

2.	Reconnect the PCV valve to the vapor hose.

Run the engine at idle, then put a finger over the open end of the PCV valve and make sure that intake manifold vacuum can be felt.

The plunger inside the PCV valve will move back and forth based on the vacuum.

4.	If the vacuum is not felt inspect PCV operation, if operating correctly clean or replace the vapor hose.

Schematic Diagrams

Schematic Diagram ...

Positive Crankcase Ventilation (PCV) Valve Description and Operation

Operation Principle ...

Other information:

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Engine Clutch Control Solenoid Valve (E/C_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: Head Lamps Repair procedures

Inspection 1. Check-points upon head lamp failure (HID) (1) Check the battery voltage. (Low beam will be on when the battery voltage above 9V.) (2) Check the fuse and relay. (3) Check the polarity of ballast. (If the polarity are changed, low beam doesn''t lighten) (4) Check the bulb connector securely. ...