VARIABLE AIR DUCT (VAD) SHUTTER VALVE INSPECTION [L3]

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1. Remove the air cleaner case. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION [LF, L3].)

2. Disconnect the vacuum hose from the VAD shutter valve actuator.

3. Connect a vacuum pump to the VAD shutter valve actuator.

4. Apply vacuum and verify that the rod moves.

• If the rod does not move, replace the air cleaner case.

Vacuum

kPa {mmHg, inHg}

Rod movement

Below -10 {-75, -3.0}
Starts to move
Above -35 {-263, -10.4}
Fully pulled