Kia Rio: 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 (Continuously Variable Valve Timing) System: [CVVT System Mode]

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

See also:

Inspection
1. Check signal waveform of CKPS and CMPS using a GDS. Specification: Refer to “Waveform� ...

Disassembly
   Identify MLA(Mechanical lash adjuster), valves, valve springs as they are removed so that each item can be reinstalled i ...

Rear Hub - Carrier Replacement
[Drum Type] 1. Remove the rear wheel & tire. Tightening torque: 88.3 ~ 107.9 N.m (9.0 ~ 11.0 kgf.m, 65.1 ~ 79.6 lb-ft) ...