Kia Sorento: [CVVT System Mode] - Cylinder Head Assembly - Engine Mechanical System - Kia Sorento XM 2011-2024 Service ManualKia 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:

Component Location
1. Radiator(Automatic transaxle oil cooler) 2. Mounting insulator 3. Valve body cover 4. ATF hose&pipe 5. Automatic transaxle 6. Radiator(Automatic transaxle oil c ...

IMS Control Switch Circuit Diagram
...

EBD (Electronic Brake-force Distribution)
The EBD system (Electronic Brake force Distribution) as a sub-system of the ABS system is to control the maximum braking effectiveness by the rear wheels. It further utilizes the efficiency ...

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