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Home › Cadillac › 2004 › CTS Base, 3.2 N › Repair and Diagnosis › Engine Performance › System › Engine Controls - 2.6L & 3.2L - Introduction › Repair Instructions › Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor Replacement › Installation Procedure

Installation Procedure

    Fig 1: View Of MAF/IAT Sensor & Retaining Screws
    GM818886Courtesy of GENERAL MOTORS CORP.
  1. Install a NEW MAF/IAT sensor seal.
  2. Insert the MAF/IAT sensor into the air cleaner assembly with the connector terminal orientated upward.
    3. NOTE: Refer to Fastener Notice in Cautions and Notices.
  3. Install the 2 screws securing the MAF/IAT sensor to the air cleaner assembly.

    Tighten:  Tighten the MAF/IAT sensor screws to 2.25 N.m (20 lb in).

    4. Fig 2: Locating Air Intake Duct Hose To MAF/IAT Sensor
    GM785797Courtesy of GENERAL MOTORS CORP.
  4. Connect the air intake duct hose to MAF/IAT sensor.
    5. Fig 3: View Of Electrical Connector & MAF/IAT Sensor
    GM785826Courtesy of GENERAL MOTORS CORP.
  5. Connect the electrical connector (1) to the MAF/IAT sensor (2).
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