![Kia Rio: CVVT (Continuously Variable Valve Timing) System: [CVVT System Mode] - Exhaust Emission Control System - Emission Control System - Kia Rio UB 2012-2024 Service Manual](images/pages/small/3.png)
Kia Rio: 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 |
|
|
| Driving Condition |
Exhaust Valve |
Intake Valve |
||
| Valve Timing |
Effect |
Valve Timing |
Effect |
|
| (1) Low Speed /Low Load |
Completely Advance |
* Valve Under-lap * Improvement of combustion stability |
Completely Retard |
* Valve Under-lap * Improvement of combustion stability |
| (2) Part Load |
Retard |
* Increase of expansion work * Reduction of pumping loss * Reduction of HC |
Retard |
* Reduction of pumping loss |
| (3) Low Speed /High Load |
Retard |
* Increase of expansion work |
Advance |
* Prevention of intake back flow (Improvement of volumetric
efficiency) |
| (4) High Speed /High Load |
Advance |
* Reduction of pumping loss |
Retard |
* Improvement of volumetric efficiency |
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 con ...
See also:
Measuring Body Dimensions
1.
Basically, all measurements in this manual are taken with a tracking
gauge.
2.
When a measuring tape is used, check to be sure there is ...
Oil Pump Unit (OPU) Connector
Opu Connector Terminal Function
EGGG114-A
EGGG114-B
Pin No.
Description
Pin No.
Description
1
Motor power(W)
...
SS-B Solenoid Valve(ON/OFF) Description
SS-B solenoid valve is attached to the valve body and is an on/off solenoid
valve that is used to change gears. SS-B Solenoid valve(ON/OFF) is installed
at valve body.
...
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