GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1777208  Size: SH
  1. Remove the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement.
  2. Disconnect the engine wiring harness electrical connector (1) from the mass airflow (MAF)/intake air temperature (IAT) sensor.

  3. Object Number: 1837999  Size: SH
  4. Disengage the air cleaner cover latches (1).
  5. Open the air cleaner cover.
  6. Remove and discard the air filter assembly (2).

Installation Procedure


    Object Number: 1837999  Size: SH
  1. Install a NEW air filter assembly (2).

  2. Object Number: 2056812  Size: SH

    Important: Ensure the air filter alignment tab (1) is properly fitted to the alignment feature (2) in the air box lower housing.

  3. Close the air cleaner cover.
  4. Engage the air cleaner cover latches.

  5. Object Number: 1777208  Size: SH
  6. Connect the engine wiring harness electrical connector (1) to the MAF/IAT sensor.
  7. Install the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement.