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Home >> Pontiac >> 2001 >> Aztek Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 945 (Engine Controls - 4.3L (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 and 2004 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT: Ensure to point the arrow on the MAF/IAT sensor away from the air cleaner box.
  1. Install the MAF/IAT sensor.
    NOTE: Refer to Fastener Notice in Cautions and Notices.
  2. Tighten the MAF/IAT sensor clamp at the air cleaner box.

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

    3. Fig 1: View Of Air Cleaner Assembly, MAF/IAT Sensor & Clamp
    GM858230Courtesy of GENERAL MOTORS CORP.
  3. Install the air cleaner outlet duct to the MAF/IAT sensor.
    4. Fig 2: View Of Air Cleaner Outlet Duct Clamp
    GM360851Courtesy of GENERAL MOTORS CORP.
  4. Tighten the air cleaner outlet duct clamp at the MAF/IAT sensor.

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

  5. Connect the MAF/IAT sensor electrical connector (4).
    6. Fig 3: View Of Auxiliary Battery Relay, MAF, IAT & Coolant Level Sensor Electrical Connectors
    GM674702Courtesy of GENERAL MOTORS CORP.
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