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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
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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.
  4. Disconnect the idle air control (IAC) valve harness connector.
  5. Fig 2: Locating Idle Air Control Valve Mounting Screws
    GM12909Courtesy of GENERAL MOTORS CORP.
  6. Remove the IAC valve mounting screws.
  7. Fig 3: View Of Idle Air Control Valve Assembly
    GM12910Courtesy of GENERAL MOTORS CORP.
  8. Remove the IAC valve and O-ring from the throttle body assembly.