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Home >> Cadillac >> 2009 >> STS V >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 4.4L - Introduction >> Repair Instructions >> Mass Airflow Sensor/Intake Air Temperature Sensor Replacement >> Removal Procedure
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Removal Procedure

    Fig 1: View o f Mass Airflow Sensor/Intake Air Temperature Sensor
    GM1614177Courtesy of GENERAL MOTORS CORP.
  1. Remove the front engine compartment sight shield. Refer to Front Compartment Sight Shields Replacement .
  2. Disconnect the mass air flow (MAF)/intake air temperature (IAT) sensor electrical connector.
  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 (1) from the air cleaner housing cover duct.
  5. Discard the MAF/IAT sensor gasket.
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