![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 ...
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The key code number is stamped on the bar code tag attached
to the key set. Should you lose your keys,
this number will enable an authorized Kia dealer to duplicate the keys easily.
Remove the ba ...
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 ...
Important Safety Notice
Proper service methods and repair procedures are essential for safe, reliable operation
of all motor vehicles as well as personal safety of the operator. The service procedures
and descriptions in ...
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