GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1201263  Size: SH
  1. Turn the ignition OFF.
  2. Disconnect the mass air flow (MAF) electrical connector.
  3. Remove the air cleaner intake duct. Refer to Air Cleaner Inlet Duct Replacement .
  4. Remove the MAF sensor fasteners.
  5. Remove the MAF sensor and the MAF sensor seal.
  6. Discard the MAF sensor seal.

Installation Procedure


    Object Number: 1201263  Size: SH
  1. Install the new MAF sensor seal and the MAF sensor.
  2. Notice: Refer to Fastener Notice in the Preface section.

  3. Install the MAF sensor screws.
  4. Tighten
    Tighten the screws to 4 N·m (35 lb in).

  5. Install the air cleaner intake duct. Refer to Air Cleaner Inlet Duct Replacement .
  6. Connect the MAF electrical connector.