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Home › GMC › 2004 › Jimmy 2D Utility, Part Time, Automatic › Repair and Diagnosis › Engine Performance › System › Engine Control System - 4.3L (Introduction) › Repair Instructions › Idle Air Control (IAC) Valve Replacement › Removal Procedure

Removal Procedure

  1. Turn OFF the ignition.
  2. Remove the air cleaner outlet resonator. Refer to Air Cleaner Outlet Resonator Replacement .
    3. Fig 1: Locating Idle Air Control Valve Harness Connector
    GM312513Courtesy of GENERAL MOTORS CORP.
  3. Disconnect the idle air control (IAC) valve harness connector.
    4. Fig 2: Locating Idle Air Control Valve Mounting Screws
    GM12909Courtesy of GENERAL MOTORS CORP.
  4. Remove the IAC valve mounting screws.
    5. Fig 3: View Of Idle Air Control Valve Assembly
    GM12910Courtesy of GENERAL MOTORS CORP.
  5. Remove the IAC valve and O-ring from the throttle body assembly.
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