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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 >> Removal Procedure

Removal 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.
  1. Disconnect the mass air flow/intake air temperature (MAF/IAT) sensor electrical connector (4).
    2. Fig 1: View Of Auxiliary Battery Relay, MAF, IAT & Coolant Level Sensor Electrical Connectors
    GM674702Courtesy of GENERAL MOTORS CORP.
  2. Loosen the air cleaner outlet duct clamp at the MAF/IAT sensor.
    3. Fig 2: View Of Air Cleaner Outlet Duct Clamp
    GM360851Courtesy of GENERAL MOTORS CORP.
  3. Remove the air cleaner outlet duct from the MAF/IAT sensor.
    4. NOTE: Handle the MAF/IAT sensor carefully. Do not drop the MAF/IAT sensor. Do not damage the screen located at the air inlet end of the MAF/IAT. Do not touch the sensing elements. Do not allow solvents and lubricants to come in contact with the sensing elements. Use a small amount of SPO P/N 12345884 lubricant or the soap based equivalent in order to aid in the installation.
  4. Loosen the MAF/IAT sensor clamp at the air cleaner box.
    5. Fig 3: View Of Air Cleaner Assembly, MAF/IAT Sensor & Clamp
    GM858230Courtesy of GENERAL MOTORS CORP.
  5. Remove the MAF/IAT sensor.
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