Kia Rio: 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.

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:

Fluid Replacement
   ATF of 6 speed automatic transaxle doesn’t need to be replaced. If the vehicle is used severely in business or persona ...

Lubricants
Items Recommnend lubricant Quantity Transaxle gear oil SAE 75W/85 1.8 ~1.9L (0.48 ~0.50 U.S.gal., 1.90 ~ 2.0 U.S. qt., 1.58 ~ 1.67 lmp qt.) ...

Rubber Parts And Tubes
Always prevent gasoline or from touching rubber parts or tubing. ...