GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1638521  Size: SH
  1. Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement.
  2. Loosen the air cleaner screws.
  3. Separate the upper and lower portions of the air cleaner assembly.
  4. Remove the air cleaner filter from the lower air cleaner housing.
  5. Inspect the air cleaner filter for dust, dirt, and water contamination.

Installation Procedure


    Object Number: 1638521  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. Caution: Refer to Fastener Caution in the Preface section.

  4. Tighten the air cleaner screws.
  5. Tighten
    Tighten the screws to 4 N·m (35 lb in).

  6. Install the air cleaner assembly. Refer to Air Cleaner Assembly Replacement.