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Home >> Pontiac >> 2001 >> Aztek Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 941 (Engine Controls - 8.1L (Introduction)) >> 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 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. 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: Locating The Air Flow Direction Arrow On The MAF/IAT Sensor
    GM359112Courtesy of GENERAL MOTORS CORP.
  1. Locate the air flow direction arrow (2) on the MAF/IAT sensor.
    2. Fig 2: View Of Air Cleaner Assembly, MAF/IAT Sensor & Clamp
    GM858230Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice in Cautions and Notices.
  2. Install the MAF/IAT sensor to the air cleaner assembly.
  3. Tighten the MAF/IAT clamp.

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

    4. Fig 3: View Of MAF/IAT Sensor Electrical Connectors
    GM750582Courtesy of GENERAL MOTORS CORP.
  4. Connect the MAF/IAT sensor electrical connector (3).
  5. Install the air intake resonator. Refer to Intake Air Resonator Replacement .
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