GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1236158  Size: SH
  1. Disconnect the mass air flow (MAF) sensor harness connector.
  2. Remove the upper air cleaner cover screws.
  3. Remove the upper air cleaner cover.
  4. Remove the air cleaner filter from the lower air cleaner housing.
  5. Inspect the air cleaner filter for dust, dirt and water contamination.
  6. Replace as necessary. Refer to Maintenance Schedule in Maintenance and Lubrication.

Installation Procedure


    Object Number: 851250  Size: SH
  1. Install the air cleaner filter into the lower air cleaner housing.
  2. Install the upper air cleaner cover to the lower air cleaner housing.
  3. Notice: Refer to Fastener Notice in the Preface section.

  4. Secure the air cleaner housing cover.
  5. Tighten
    Tighten the air cleaner cover screws to 5 N·m (44 lb in).

  6. Connect the MAF sensor harness connector.