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Home >> Oldsmobile >> 2004 >> Bravada AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1743 (Engine Control System - 5.3L - Introduction) >> Repair Instructions >> Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor Replacement >> Installation Procedure

Installation Procedure

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2005 Isuzu Ascender, 2005 GMC Envoy XUV, 2005 GMC Envoy XL, 2005 GMC Envoy, and 2005 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT: The embossed arrow on the MAF/IAT sensor indicates the proper air flow direction. The arrow must point toward the engine.
    Fig 1: MAF/IAT Sensor Air Flow Direction Arrow
    GM359112Courtesy of GENERAL MOTORS CORP.
  1. Locate the air flow direction arrow (2) on the MAF/IAT sensor.
    2. Fig 2: View Of Intake Air Tube
    GM898123Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice in Cautions and Notices.
  2. Install the MAF/IAT sensor on to the air cleaner housing.
  3. Tighten the clamp securing the MAF/IAT sensor to the air cleaner housing.

    Tighten:  Tighten the clamp to 7 N.m (62 lb in).

  4. Install the air cleaner outlet duct.
  5. Install the air cleaner outlet duct bolt.

    Tighten:  Tighten the bolt to 10 N.m (89 lb in).

  6. Tighten the clamps at the MAF/IAT sensor and the throttle body.

    Tighten:  Tighten the clamps to 7 N.m (62 lb in).

    7. Fig 3: View Of MAF/IAT Sensor Electrical Connector
    GM898340Courtesy of GENERAL MOTORS CORP.
  7. Connect the MAF/IAT electrical connector.
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