GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1578457  Size: SH
  1. Disconnect the mass airflow (MAF)/intake air temperature (IAT) sensor electrical connector connector.

  2. Object Number: 1581066  Size: SH
  3. Loosen the upper air cleaner cover screws.
  4. Remove the upper air cleaner cover.
  5. Remove the air cleaner filter from the lower air cleaner housing.
  6. Inspect the air cleaner filter for dust, dirt and water contamination.
  7. Replace as necessary. Refer to Maintenance Schedule.

Installation Procedure


    Object Number: 1581066  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 screws to 5 N·m (44 lb in).


    Object Number: 1578457  Size: SH
  6. Connect the MAF/IAT sensor electrical connector connector.