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Home >> Chevrolet >> 2005 >> Chevy Express G3500, Van Passenger Extended >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - 4.8L, 5.3L, And 6.0L - Introduction >> Repair Instructions >> Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor Replacement >> Installation Procedure

Installation Procedure

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. Install the MAF/IAT sensor onto the air cleaner housing.
    3. NOTE: Refer to Fastener Notice in Cautions and Notices.
  3. Install the MAF/IAT sensor retaining bolts.

    Tighten:  Tighten the bolts to 11 N.m (97 lb in).

  4. Tighten the clamp securing the MAF/IAT sensor to the air cleaner duct.
  5. Install the air cleaner assembly. Refer to Air Cleaner Assembly Replacement .
  6. Connect the MAF/IAT electrical connector.
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