Kia Forte: CVVT (Continuously Variable Valve Timing) System 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 (Continuously Variable Valve Timing) System 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 ...

[CVVT System Mode]

(1) Low Speed / Low Load (2) Part Load (3) Low Speed / High Load (4) High Speed / High Load ...

See also:

On-board Refueling Vapor Recovery (ORVR) valve Removal
1. Turn the ignition switch OFF, and then remove battery (-) cable. 2. Remove the fuel pump. (Refer to Fuel System - "Fuel Pump&qu ...

Front Stabilizer Bar Inspection
1. Check the bushing for wear and deterioration. 2. Check the front stabilizer bar for deformation. ...

Variable Charge Motion Actuator (VCMA) Specification
Motor Item Specification Coil Resistance (Ω) 3.4 ~ 4.4 [20°C(68°F)] Position sensor Item Specification Coil Res ...