GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1900787  Size: SH
  1. Disconnect the electrical connector (1) from the mass air flow (MAF)/intake air temperature (IAT) sensor.

  2. Object Number: 1900788  Size: SH
  3. Remove the 2 screws (1) securing the MAF/IAT sensor to the air cleaner assembly.
  4. Remove the MAF/IAT sensor (2) from the air cleaner assembly.

Installation Procedure

Notice: 

   • Handle the MAF sensor carefully.
   • Do not drop the MAF sensor in order to prevent damage to the MAF sensor.
   • Do not damage the screen located on the air inlet end of the MAF.
   • 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 a soap based solution in order to aid in the installation.


    Object Number: 1900788  Size: SH
  1. Insert the MAF/IAT sensor (2) into the air cleaner assembly.
  2. Notice: Refer to Fastener Notice in the Preface section.

  3. Install the 2 screws (1) securing the MAF/IAT sensor to the air cleaner assembly.
  4. Tighten
    Tighten the MAF/IAT sensor screws to 2.25 N·m (20 lb in).


    Object Number: 1900787  Size: SH
  5. Connect the electrical connector (1) to the MAF/IAT sensor.