Impala V6-3.8L VIN K (2004)
should be less than 28 mm (1-1/8 in). Manually compress the pintle until the extension is less than 28 mm (1-1/8 in).
1. Install the new IAC valve O-ring.
2. Install the IAC valve in the throttle body.
NOTE: Refer to Fastener Notice in Service Precautions.
3. Install the IAC valve screws.
Tighten
Tighten the screws to 3 N.m (27 lb in).
4. Connect the IAC valve electrical connector.
5. The powertrain control module (PCM) will reset the IAC valve whenever the ignition is turned ON, then OFF. Turn ON the ignition for 10
seconds, then OFF for 5 seconds.
6. Start the engine and allow the engine to reach operating temperature.
7. Install the fuel injector sight shield.
