Kia Optima: Operation Principle - CVVT (Continuously Variable Valve Timing) System. Description 
		and Operation - Exhaust Emission Control 
		System - Emission Control System - Kia Optima TF 2011-2019 Service ManualKia Optima: Operation Principle

The CVVT has the mechanism rotating the rotor vane with hydraulic force generated by the engine oil supplied to the advance or retard chamber in accordance with the CVVT oil control valve control.

[CVVT System Mode]

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 sp ...

[CVVT System Mode]
(1) Low Speed / Low Load (2) Part Load (3) Low Speed / High Load (4) High Speed / High Load ...

See also:

Front Body B
Hood hinge mounting hole (Ø10) Fender apron upper inner panel tooling hole (Ø6.6) Engine mo ...

Installation
Room Lamp 1. Reconnect the connector. 2. Install the room lamp assembly. 3. Install the lens. Vanity Lamp 1. Reconnect the vanity lamp connector ...

Installation
Smart Key Unit 1. Install the smart key unit. 2. Install the smart key unit mounting nuts and bolts and connector. 3. Install the glove box housing. ...

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