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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 101 (Engine Control System - 3.8L - Introduction (2 Of 2)) >> Repair Instructions >> Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2006 Buick LaCrosse and 2006 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Identifying MAF/IAT Sensor
    GM1208107Courtesy of GENERAL MOTORS CORP.
  1. Install the MAF/IAT sensor to the air cleaner intake duct.
  2. Install the air cleaner intake duct to the air cleaner housing cover and the throttle body assembly.
    3. NOTE: Refer to Fastener Notice in Cautions and Notices.
  3. Tighten the air cleaner intake duct clamp screws.

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

  4. Connect the MAF/IAT sensor electrical connector.
  5. Install the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement in Engine Mechanical - 3.8L.
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