GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1638523  Size: SH
  1. Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement.
  2. Loosen the clamp at the air cleaner housing.
  3. Remove the air cleaner outlet duct.

Installation Procedure


    Object Number: 1638523  Size: SH
  1. Install the air cleaner outlet duct.
  2. Caution: Refer to Fastener Caution in the Preface section.

  3. Tighten the clamp at the air cleaner housing.
  4. Tighten
    Tighten the clamp to 5 N·m (44 lb in).

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