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Home >> Cadillac >> 2004 >> CTS V >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 5.7L - Introduction >> Repair Instructions >> Air Cleaner Outlet Duct Replacement >> Installation Procedure
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Installation Procedure

    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. If previously removed, carefully install the MAF/IAT sensor to the air cleaner outlet duct. Ensure that sensor is clocked properly.
    2. NOTE: Refer to Fastener Notice in Cautions and Notices.
    Fig 1: Tightening MAF/IAT Sensor Clamp
    GM1385109Courtesy of GENERAL MOTORS CORP.
  2. Tighten the MAF/IAT sensor clamp (2).

    Tighten:  Tighten the clamp to 3 N.m (27 lb in).

  3. Loosely install the air cleaner outlet duct assembly to the vehicle.
  4. Connect the MAF/IAT sensor electrical connector.
    5. Fig 2: Tightening Air Cleaner Outlet Duct Clamps
    GM1385108Courtesy of GENERAL MOTORS CORP.
  5. Install the air cleaner outlet duct to the air cleaner housing.
  6. Tighten the air cleaner outlet duct clamps (1, 2).

    Tighten:  Tighten the screws to 3 N.m (27 lb in).

  7. Install the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement in Engine Mechanical - 5.7L.
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