GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 22610 Service Boot Clamp Installer

Removal Procedure


    Object Number: 931697  Size: SH
  1. Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement .

  2. Object Number: 1261682  Size: SH

    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.

  3. Remove the air intake duct clamps from the MAF/IAT sensor and the throttle body.

  4. Object Number: 1261671  Size: SH
  5. Remove the MAF/IAT sensor.

Installation Procedure

Important: The embossed arrow on the MAF/IAT sensor indicate the proper air flow direction. The arrow must point toward the engine.


    Object Number: 1261682  Size: SH
  1. Install the MAF/IAT sensor into the air intake duct at the air cleaner housing.

  2. Object Number: 1261674  Size: SH
  3. Install the air intake duct to the MAF/IAT sensor and the throttle body.
  4. Install the clamps.

  5. Object Number: 1261671  Size: SH
  6. Connect the electrical connector of the MAF/IAT .