![Kia Sorento: [CVVT System Mode] - Cylinder Head Assembly - Engine Mechanical System - Kia Sorento XM 2011-2024 Service Manual](images/pages/small/2.png)
Kia Sorento: [CVVT System Mode]
Second Generation XM (2011-2024) / Kia Sorento XM 2011-2024 Service Manual / Engine Mechanical System / Cylinder Head Assembly / [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 & Camshaft 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 ...
CVVT & Camshaft Removal
1.
Remove the cylinder head cover.
(Refer to Cylinder Head Assembly - "Cylinder Head Cover")
2.
Set No.1 cylinder to TDC/comp ...
See also:
Balance Shaft & Oil Pump Installation
BSM(Balance Shaft Module) Chain System
1.
The key of crankshaft should be aligned with the mating face of main
bearing cap. As a result of this, the piston of No.1 cylinde ...
Special Service Tools
Tool (Number and Name)
IIIustration
Use
09561-11001
Steering wheel puller
Remove the steering wheel
...
Power Door Lock Switch Diagnosis With GDS
1.
It will be able to diagnose defects of door lock with GDS quickly.
GDS can operates actuator forcefully, input/output value monitoring
and self diagnosis.
...
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