Idle Air Control (IAC) Valve: Removal
Disconnect IAC valve harness connector. Remove IAC valve retaining screws and remove IAC valve and "O" ring from throttle body.
CAUTION:
DO NOT manually extend or retract pintle if IAC valve has been in service. Damage to worm gear will result.
NOTE:
Before installation, clean "O" ring sealing surface, pintle seat and air passage. If air passage has heavy deposits, remove throttle body for complete cleaning.