Bonneville V8-4.6L VIN Y (2004)
1. Install the new IAC valve O-ring.
2. Install the IAC valve (1) into the throttle body.
NOTE: Refer to Fastener Notice in Service Precautions.
3. Install the IAC valve attaching screws (2) into the IAC valve.
Tighten the IAC valve attaching screws to 3 N.m (27 lb in).
4. Install the electrical connector (1) into the idle air control valve (4).
5. The powertrain control module (PCM) will reset the idle air control valve whenever the ignition switch is turned ON, then OFF.
6. Turn the ignition switch ON.
7. Turn the ignition switch OFF.
8. Perform the IAC Valve learn procedure.
IAC Valve Learn Procedure
1. Start and idle the engine for 15 seconds.
2. Turn the ignition switch to the LOCK/OFF position.
3. Wait 15 seconds.
4. Restart the engine , and check for proper idle operation.
