Idle Air Control Valve: Removal
WARNING: This page is about a different car, the 2003 GMC Safari and 2003 Chevrolet Astro. However, it is still accessible from the selected car via links, so may be relevant.
Turn ignition off. Remove engine cover. See ENGINE COVER under MISCELLANEOUS. Disconnect IAC valve harness connector. IAC valve is located on side of throttle body assembly. See Figure and Figure . Remove IAC valve mounting bolts. Remove IAC valve and "O" ring from throttle body assembly.