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Home >> Chevrolet >> 2004 >> Optra Base, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 1.4L DOHC - Repair Instructions >> Repair Instructions >> Idle Air Control Valve Replacement >> Removal Procedure
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Removal Procedure

    Fig 1: View Of Idle Air Control Valve
    GM1241932Courtesy of GENERAL MOTORS CORP.
    CAUTION: Refer to Battery Disconnect Caution .
  1. Disconnect the negative battery cable.
  2. Disconnect the idle air control (IAC) valve connector.
  3. Remove the IAC valve retaining bolts.
  4. NOTE:
    • Do Not push or pull on the IAC valve pintle on IAC valves that have been in service. The force required to move the pintle may damage the threads on the worm drive.
    • Do Not soak the IAC valve in any liquid cleaner or solvent, as damage may result.
  5. Remove the IAC valve.
  6. Clean the IAC valve O-ring seal area, the pintle valve seat, and the air passage with a suitable fuel system cleaner. Do not use methyl ethyl ketone.