Caution: Do not attempt to remove the protective cap to re-adjust the top bolt. Incorrect adjustment can damage the idle air control valve (IAC) or throttle body.
1. Disable «-» battery wires.
2. Remove the idle air flow control valve connector.
3. Remove the IAC valve mounting bolts.
Attention: on IAC valves, after repair, forced pushing of the valve stem is not allowed. The force required to move the stem can damage the threads on a worn actuator.
4. Remove the IAC valve.
5. Clean the IAC valve o-ring seat, stem seat, and air passages with a suitable fuel system cleaner. Do not use methyl ethyl ketone.