VARIABLE TUMBLE SHUTTER VALVE ACTUATOR INSPECTION [LF]


B3E011320130W06

1. Remove the air hose. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION [LF].)

2. Disconnect the vacuum hose from the variable tumble shutter valve actuator.

3. Connect a vacuum pump to the variable tumble shutter valve actuator.

4. Apply vacuum and verify that the rod moves.

• If the rod dose not move, replace the intake manifold.

Vacuum

kPa {mmHg, inHg}

Rod movement
Below -2.7 {-21, -0.9 }
No operate
Above -33.4 {-251, -9.89 }
Fully pulled