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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1511 (Engine Controls (Introduction) -- 5.7L) >> 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 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Air Intake Duct Clamps, MAF/IAT Sensor & Throttle Body
    GM692989Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Take care when handling the mass air flow/intake air temperature (MAF/IAT) sensor. Do not dent, puncture, or otherwise damage the Honeycell located at the air inlet end of the MAF/IAT. Do not touch the sensing elements. Do not allow anything, including cleaning solvents and lubricants, to come in contact with the sensing elements. Use a small amount of a non-silicone based lubricant on the air duct only, to aid in the installation. Do not drop or roughly handle the MAF/IAT sensor.
  1. Disconnect the electrical connector of the MAF/IAT sensor.
  2. Remove the air intake duct clamps from the MAF/IAT sensor and the throttle body.
    3. Fig 2: Air Intake Duct & Clamp
    GM693173Courtesy of GENERAL MOTORS CORP.
  3. Remove the air duct clamp at the air cleaner housing.
    4. Fig 3: MAF/IAT Sensor
    GM261061Courtesy of GENERAL MOTORS CORP.
  4. Remove the MAF/IAT sensor.
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