VARIABLE TUMBLE SHUTTER VALVE ACTUATOR INSPECTION [L8, LF, L3]

1. Remove the air hose. (See INTAKE AIR SYSTEM REMOVAL/INSTALLATION [L8, LF, L3].)

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

LF

L8, L3

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.