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Home >> Buick >> 2009 >> Allure Super >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System & Fuel System - 5.3L - Introduction >> Repair Instructions >> Mass Airflow Sensor with Intake Air Temperature Sensor Replacement >> Removal Procedure
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Removal Procedure

    Fig 1: Identifying MAF/IAT Sensor
    GM1208107Courtesy of GENERAL MOTORS CORP.
  1. Remove the air intake duct. Refer to Air Cleaner Resonator Outlet Duct Replacement .
  2. Disconnect the mass air flow (MAF)/intake air temperature (IAT) sensor electrical connector (2).
    3. Fig 2: View Of MAF/IAT Sensor
    GM1556017Courtesy of GENERAL MOTORS CORP.
  3. Remove the MAF/IAT sensor bolts.
  4. Remove the MAF/IAT sensor from the air cleaner housing.
  5. Remove the MAF/IAT sensor seal, if necessary.
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