Variable Induction Control Actuator: Service and Repair

INTAKE MANIFOLD RUNNER CONTROL (IMRC) ACTUATOR

REMOVAL
1. Disconnect the battery ground cable.
2. Drain the cooling system.
3. Remove the upper intake manifold.
4. Remove the fuel injector supply manifold.
5. Remove the coolant bypass tube.







6. Remove the bolt and heater water inlet tube at the back of the lower intake.







7. Remove the two stud bolts and one bolt. Position the actuator aside.







8. Disconnect the linkage and remove the actuator.

INSTALLATION

1. NOTE:
- New plastic IMRC retainers must be installed any time an IMRC rod is removed.
- Before installing the IMRC actuator, be sure to rotate the motor driver plate until the levers make contact with the set screws, then rotate the motor until the motor bracket bolt holes line up with the tapped holes in the lower intake manifold.
- Discard O-ring and install a new O-ring on the heater water inlet tube. Lubricate the O-ring with engine coolant prior to installation.

To install, reverse the removal procedure.