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Home >> Hummer >> 2008 >> H3 Base, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 217 (Engine Controls And Fuel - 4.4L - Introduction) >> Repair Instructions >> Mass Airflow Sensor/Intake Air Temperature Sensor Replacement >> Installation Procedure
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Installation Procedure

WARNING: This page is about a different car, the 2008 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Mass Airflow Sensor/Intake Air Temperature Sensor
    GM1614177Courtesy of GENERAL MOTORS CORP.
    NOTE:
    • 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.

  1. Install a NEW MAF/IAT sensor gasket.
  2. Carefully install the MAF/IAT sensor (1) into the air cleaner housing cover duct.
    3. NOTE: Refer to Fastener Notice .
  3. Install the MAF/IAT sensor screws.

    Tighten:  Tighten the screws to 4 N.m (35 lb in).

  4. Reconnect the MAF/IAT sensor electrical connector.
  5. Install the front engine compartment sight shield. Refer to Front Compartment Sight Shields Replacement .
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