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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 974 (Engine Controls - 8.1L (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, 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: Use 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 or allow anything including cleaning solvents and lubricants to come in contact with them. Use a small amount of a non-silicone based lubricant, on the air duct only, to aid in installation.
    Fig 1: View Of MAF/IAT Sensor Electrical Connectors
    GM750582Courtesy of GENERAL MOTORS CORP.
  1. Remove the intake air resonator. Refer to Intake Air Resonator Replacement .
  2. Disconnect the MAF/IAT sensor electrical connector (3).
    3. Fig 2: View Of Air Cleaner Assembly, MAF/IAT Sensor & Clamp
    GM858230Courtesy of GENERAL MOTORS CORP.
  3. Loosen the MAF/IAT clamp.
  4. Remove the MAF/IAT sensor from the air cleaner assembly.
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