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Home >> Cadillac >> 2006 >> STS V >> Repair and Diagnosis >> External Pages >> Different car >> Section 135 (Engine Control System & Fuel System - 4.6L - Introduction (2 Of 2)) >> Repair Instructions >> Mass Airflow Sensor/Intake Air Temperature Sensor Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2007 Cadillac SRX. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install a NEW MAF/IAT sensor gasket.
    Fig 1: View Of MAF Sensor
    GM1201263Courtesy 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.

  2. Carefully install the MAF/IAT sensor into the air cleaner housing cover.
    NOTE: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.
  3. Install the MAF/IAT sensor screws.

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

  4. Install the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement .
    Fig 2: View Of Air Cleaner Duct
    GM1201220Courtesy of GENERAL MOTORS CORP.
  5. Reconnect the MAF/IAT sensor electrical connector.
    Fig 3: View Of MAF/IAT Sensor Electrical Connector
    GM1201074Courtesy of GENERAL MOTORS CORP.