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Home >> Cadillac >> 2009 >> STS Base, 4.6 A, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 4.6L - Introduction >> Repair Instructions >> Mass Airflow Sensor/Intake Air Temperature Sensor Replacement >> Removal Procedure
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Removal Procedure

    Fig 1: View Of MAF/IAT Sensor Electrical Connector
    GM1201074Courtesy of GENERAL MOTORS CORP.
  1. Disconnect the mass air flow (MAF)/intake air temperature (IAT) sensor electrical connector.
    2. Fig 2: View Of Air Cleaner Duct
    GM1201220Courtesy of GENERAL MOTORS CORP.
  2. Remove the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement .
    3. Fig 3: View Of MAF Sensor
    GM1201263Courtesy of GENERAL MOTORS CORP.
  3. Remove the MAF/IAT sensor screws.
    4. CAUTION:
    • Handle the MAF sensor carefully.
    • Do not drop the MAF sensor in order to prevent damage to the MAF sensor.
    • Do not damage the screen located on the air inlet end of the MAF.
    • Do not touch the sensing elements.
    • Do not allow solvents and lubricants to come in contact with the sensing elements.
    • Use a small amount of a soap based solution in order to aid in the installation.
  4. Carefully remove the MAF/IAT sensor from the air cleaner housing cover.
  5. Discard the MAF/IAT sensor gasket.
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