GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1950247  Size: SH
  1. Remove the engine cover. Refer to Engine Cover Replacement .
  2. Remove the positive crankcase ventilation (PCV) hose (2) from the air cleaner outlet duct adapter.
  3. Loosen the air cleaner outlet duct adapter clamp (1).
  4. Remove the air cleaner outlet duct adapter from the throttle body.

  5. Object Number: 1950250  Size: SH
  6. From under the hood, loosen the air cleaner outlet duct clamp (1) at the air cleaner assembly.

  7. Object Number: 1950253  Size: SH
  8. Remove the air cleaner outlet duct assembly (1).

Installation Procedure


    Object Number: 1950253  Size: SH
  1. Install the air cleaner outlet duct assembly (1).
  2. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1950250  Size: SH
  3. Tighten the air cleaner outlet duct clamp (1) at the air cleaner assembly.
  4. Tighten
    Tighten the clamp to 5 N·m (44 lb in).


    Object Number: 1950247  Size: SH
  5. Install the air cleaner outlet duct adapter to the throttle body.
  6. Tighten the air cleaner outlet duct adapter clamp (1).
  7. Tighten
    Tighten the clamp to 5 N·m (44 lb in).

  8. Install the PCV hose (2) to the air cleaner outlet duct adapter.
  9. Install the engine cover. Refer to Engine Cover Replacement .