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Home › Buick › 2005 › Century Custom › Repair and Diagnosis › Engine Performance › System › Engine Controls - Introduction › Repair Instructions › Idle Air Control (IAC) Valve Replacement › Removal Procedure

Removal Procedure

    Fig 1: View Of IAC Valve Electrical Connector
    GM69056Courtesy of GENERAL MOTORS CORP.
  1. Disconnect the idle air control (IAC) valve electrical connector.
    2. Fig 2: IAC Valve Screws
    GM185614Courtesy of GENERAL MOTORS CORP.
  2. Remove the IAC valve screws.
    3. Fig 3: View Of IAC Valve
    GM185583Courtesy of GENERAL MOTORS CORP.
  3. Remove the IAC valve.
    4. Fig 4: IAC Valve O-Ring
    GM185626Courtesy of GENERAL MOTORS CORP.
  4. Remove the IAC valve O-ring.
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