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:

Lubricants
Items Specified lubricant Quantity Transaxle gear oil SAE 75W/85, API GL-4 1.9 ~ 2.0 L (0.50 ~ 0.53 U.S.gal., 2.01 ~ 2.11 U.S. qt., 1.67 ~ 1.76 lmp ...

Rear Torsion Beam Axle Replacement
1. Loosen the wheel nuts slightly. Raise the vehicle, and make sure it is securely supported. 2. Remove the front wheel and tire (A) from f ...

Fuel Pump Motor Installation
1. Install in the reverse order of removal. ...