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Home › Cadillac › 2005 › DeVille DHS › Repair and Diagnosis › Engine Performance › System › Engine Controls - Introduction › Repair Instructions › Idle Air Control (IAC) Valve Replacement › Removal Procedure

Removal Procedure

    Fig 1: IAC Valve and TP Sensor Component View
    GM574138Courtesy of GENERAL MOTORS CORP.
  1. Remove the electrical connector (1) from the IAC valve (4).
    2. Fig 2: Identifying Idler Air Control Valve & Attaching Screws
    GM596334Courtesy of GENERAL MOTORS CORP.
  2. Remove the IAC valve attaching screws (2) from the idle air control valve (1).
    3. Fig 3: Removing/Installing IAC Valve "O" Ring
    GM481091Courtesy of GENERAL MOTORS CORP.
  3. Remove the IAC valve from the throttle body.
  4. Remove the IAC valve O-ring.
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