GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Important: Take care when handling the MAF. Do Not dent, puncture, or otherwise damage the honeywell located at the air inlet end of the MAF. Do Not touch the sensing elements or allow anything, including solvents and lubricants, to come in contact with them. A small amount of GM lubricant (P/N 99855406) may be used on the air duct only to aid in installation. Do Not drop or roughly handle the MAF.

  1. Disconnect the 3 wire electrical connector.

  2. Object Number: 18380  Size: SH
  3. Loosen the clamp on the intake duct.
  4. Carefully remove the MAF sensor.

Installation Procedure


    Object Number: 18380  Size: SH
  1. Install the MAF sensor.

  2. Object Number: 18377  Size: SH
  3. Install the intake ducts.
  4. Tighten the clamp.
  5. Connect the electrical connector.