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VARIABLE TUMBLE CONTROL SYSTEM (VTCS) SHUTTER VALVE ACTUATOR INSPECTION [L3]

BME011320135W01

1. Remove the air hose. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION [L3].)

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

3. Connect a vacuum pump to the VTCS 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 {-20, -0.7} | Starts to move
Above -34.7 {-260, -10.2} | Fully pulled