Description |
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the CVVT Oil Control Valve (OCV) which supplies the engine
oil to the cam phaser or runs out the engine oil from the cam phaser in
accordance with the ECM PWM (Pulse With Modulation) control signal, |
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the CVVT Oil Temperature Sensor (OTS) which measures the engine oil temperature, |
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and the Cam Phaser which varies the cam phase by using the hydraulic force of the engine oil. |
Operation Principle |
[CVVT System Mode] |
(1) Low Speed / Low Load | (2) Partial 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) Partial 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 |
Exhaust Manifold Components and Components Location
Components
1. LH Exhaust manifold gasket2. LH Exhaust manifold3. LH Heat protector4. LH Exhaust manifold stay5. RH Exhaust manifold gasket6. RH Exhaust manifold7. RH Heat protector8. RH Exhaust m ...
Water pump Components and Components Location
Components
1. Water pump pulley2. Water pump 3. Water pump gasket
...