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Hyundai Accent CVVT Oil Control Valve Replacement

Introduction

The CVVT Oil Control Valve (OCV) supplies engine oil to the cam phaser or cuts the engine oil from the cam phaser in accordance with the ECM PWM (Pulse With Modulation) control signal.

By controlling CVVT, the valve over-lap or under-lap occurs, which makes better fuel economy and reduces exhaust gases (NOx, HC) and improves engine performance through reduction of pumping loss, internal EGR effect, improvement of combustion stability, improvement of volumetric efficiency, and increase of expansion work.

What you need

  1. Hyundai Accent CVVT Oil Control Valve Replacement, Remove the engine cover: step 1, image 1 of 2 Hyundai Accent CVVT Oil Control Valve Replacement, Remove the engine cover: step 1, image 2 of 2

    • Grasp the engine cover by the front edge.

    • Give it a firm yank upward.

    Edit

  2. Hyundai Accent CVVT Oil Control Valve Replacement: step 2, image 1 of 2 Hyundai Accent CVVT Oil Control Valve Replacement: step 2, image 2 of 2

    • Grab the rear edge of the cover.

    • Yank it upward.

    Edit

  3. Hyundai Accent CVVT Oil Control Valve Replacement: step 3, image 1 of 1

    • The engine cover has been removed.

    Edit

  5. Hyundai Accent CVVT Oil Control Valve Replacement, Unplug the oil control valve electrical connector: step 4, image 1 of 3 Hyundai Accent CVVT Oil Control Valve Replacement, Unplug the oil control valve electrical connector: step 4, image 2 of 3 Hyundai Accent CVVT Oil Control Valve Replacement, Unplug the oil control valve electrical connector: step 4, image 3 of 3

    • Press the tab on the electrical connector and unplug the OCV.

    Edit

  6. Hyundai Accent CVVT Oil Control Valve Replacement, Remove the retaining bolt: step 5, image 1 of 2 Hyundai Accent CVVT Oil Control Valve Replacement, Remove the retaining bolt: step 5, image 2 of 2

    • Using a 10mm socket, remove the bolt securing the OCV.

    Edit

  7. Hyundai Accent CVVT Oil Control Valve Replacement, Remove the oil control valve: step 6, image 1 of 3 Hyundai Accent CVVT Oil Control Valve Replacement, Remove the oil control valve: step 6, image 2 of 3 Hyundai Accent CVVT Oil Control Valve Replacement, Remove the oil control valve: step 6, image 3 of 3

    • Grasp the OCV and with a twisting motion, pull the valve out of its housing.

    Edit

  8. Hyundai Accent CVVT Oil Control Valve Replacement: step 7, image 1 of 1

    • The oil control valve has been removed.

    Edit
Conclusion

To reassemble your device, follow these instructions in reverse order.

Author

Jerry Wheeler

Member since: 03/21/22

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