GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1201263  Size: SH
  1. Turn the ignition OFF.
  2. Remove 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. Caution: Refer to Fastener Caution in the Preface section.

  3. Install the MAF sensor screws and tighten to 4 N·m (35 lb in).
  4. Install the air cleaner intake duct. Refer to Air Cleaner Inlet Duct Replacement.
  5. Install the MAF electrical connector.