IMT Valve Actuator Inspection

IMT Valve Actuator Inspection

1) When the engine is not running, make sure the IMT valve actuator (1) is at fully open position (2).





2) Check IMT valve actuator (1) according to the following procedure.
a) Connect special tool to IMT valve actuator (1) and then vacuum it.

NOTE:
If too high a vacuum is applied, the IMT valve actuator may be damaged.

Do not exceed a vacuum of standard value.

Special Tool

(A): 09917-47011

Actuation vacuum specification
Standard value: -33 kpa (-0.3 kgf/cm2, -4.79 psi, -0.33 bar)





b) Check that IMT valve actuator sets valve to fully closed position, and keeps fully closed.





c) With actuating valve to fully opened and closed positions several times, check that IMT valve actuator moves smoothly and properly.
If any abnormality is found, replace intake manifold assembly. Intake Manifold Removal and Installation