Diesel Data: Automotive Repair

Idle Speed/Throttle Actuator - Electronic: Service and Repair

IDLE AIR CONTROL (IAC) VALVE

REMOVAL
1. Disconnect the battery ground cable.







2. Remove throttle body snow shield.
- Remove the retaining screw.
- Release the emission tube.
- Remove the snow shield.







3. Remove the idle air control (IAC) valve.
1 Disconnect the IAC electrical connector.
2 Remove the two IAC retaining screws.
3 Remove the IAC valve.

INSTALLATION







1. NOTE: Install a new IAC valve gasket.

To install, reverse the removal procedure.