![Kia Sorento: [CVVT System Mode] - Exhaust Emission Control System - Emission Control System - Kia Sorento XM 2011-2024 Service Manual](images/pages/small/2.png)
Kia Sorento: [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:
Hazard warning flasher
The hazard warning flasher serves as a warning to other drivers to exercise extreme
caution when approaching, overtaking, or passing your vehicle.
It should be used whenever emergency repairs are ...
Immobilizer Control Unit Removal
1.
Disconnect the negative (-) battery terminal.
2.
Remove the crash pad lower panel (A).
(Refer to Body - "Crash pad")
...
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 ...
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