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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 199 (Engine Control System & Fuel - 4.8L, 5.3L, 6.0L, Or 6.2L - Introduction (2 Of 2)) >> Repair Instructions >> Mass Airflow Sensor/Intake Air Temperature Sensor Replacement >> Installation Procedure

Installation Procedure

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IMPORTANT: The embossed arrow on the MAF/IAT sensor indicates the proper air flow direction. The arrow must point toward the engine.
    Fig 1: View Of MAF/IAT Sensor Adapter & Clamp
    GM1703691Courtesy of GENERAL MOTORS CORP.
  1. Install the MAF/IAT sensor to the air cleaner assembly.
    2. NOTE: Refer to Fastener Notice .
  2. Tighten the MAF/IAT sensor adapter clamp.

    Tighten:  Tighten the clamp to 4 N.m (35 lb in).

    3. Fig 2: View Of Throttle Body Heater Hose & Retainers
    GM1703498Courtesy of GENERAL MOTORS CORP.
  3. Connect the engine wiring harness electrical connector (2) to the MAF/IAT sensor.
  4. Install the air cleaner outlet resonator. Refer to Air Cleaner Resonator Outlet Duct Replacement .
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