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Home >> Chevrolet >> 2004 >> Impala Base, 3.4 E >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Engine Control System 3.8L (Introduction)) >> Repair Instructions >> Idle Air Control (IAC) Valve Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different variant/trim than selected.
  1. Remove the fuel injector sight shield. Refer toFuel Injector Sight Shield Replacement in Engine Mechanical-3.8L.
  2. Disconnect the idle air control valve (IAC) electrical connector.
    3. Fig 1: View Of IAC Valve Electrical Connector
    GM155466Courtesy of GENERAL MOTORS CORP.
  3. Remove the IAC valve screws.
    4. Fig 2: Removing IAC Valve Screws
    GM185614Courtesy of GENERAL MOTORS CORP.
  4. Remove the IAC valve.
    5. Fig 3: Removing IAC Valve
    GM185583Courtesy of GENERAL MOTORS CORP.
  5. Remove the IAC valve O-ring.
    6. Fig 4: Removing IAC Valve O-Ring
    GM185626Courtesy of GENERAL MOTORS CORP.
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