GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1459590  Size: SH
  1. Reposition the positive crankcase ventilation (PCV) clean air tube clamp.
  2. Remove the PCV clean air tube from the outlet duct.

  3. Object Number: 1459592  Size: SH
  4. Loosen the outlet air duct clamps from the air cleaner cover and the throttle body.
  5. Remove the air outlet duct from the air cleaner cover and the throttle body.

Installation Procedure

    Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1459592  Size: SH
  1. Install the air outlet duct to the air cleaner cover and the throttle body.
  2. Tighten the outlet air duct clamps to the air cleaner cover and the throttle body.
  3. Tighten
    Tighten the clamps to 2 N·m (18 lb in).


    Object Number: 1459590  Size: SH
  4. Install the PCV clean air tube to the outlet duct.
  5. Position the PCV clean air tube clamp.