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Home >> Cadillac >> 2009 >> XLR Base >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Engine Controls And Fuel - 4.4L - Introduction, Specifications & Repair Instructions) >> Repair Instructions >> Mass Airflow Sensor/Intake Air Temperature Sensor Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different variant/trim than selected.
    Fig 1: Identifying MAF/IAT Sensor & Electrical Connector
    GM1685814Courtesy of GENERAL MOTORS CORP.
    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.
  1. Install a NEW MAF/IAT sensor gasket.
  2. Carefully install the MAF/IAT sensor (1) into the air cleaner housing duct.
    3. CAUTION: Refer to Fastener Caution .
  3. Install the MAF/IAT sensor screws (2) and tighten to 4 N.m (35 lb in).
  4. Reconnect the MAF/IAT sensor electrical connector (3).
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