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Home › Chevrolet › 2011 › Impala LTZ › Repair and Diagnosis › Engine Performance › Engine Control Systems › Engine Controls And Fuel - 3.9L - Repair Instructions › Repair Instructions › Air Cleaner Outlet Duct Replacement › Removal Procedure

Removal Procedure

    Fig 1: Air Inlet Duct & MAF/IAT Sensor
    GM1556020Courtesy of GENERAL MOTORS CORP.
  1. Disconnect the positive crankcase ventilation (PCV) tube from the air inlet duct. Refer to Plastic Collar Quick Connect Fitting Service .
  2. Loosen the air inlet duct clamp at the throttle body.
  3. Remove the air inlet duct from the throttle body.
  4. Loosen the air inlet duct clamp at the mass air flow (MAF)/intake air temperature (IAT) sensor.
  5. Remove the air inlet duct from the MAF/IAT sensor.
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