GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 HUMMER 🢒 2008 🢒 H3 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Air Cleaner Resonator Outlet Duct Replacement

Removal Procedure

    Object Number: 1899723 Size: SH
  1. Remove the intake manifold cover. Refer to Upper Intake Manifold Sight Shield Replacement.
  2. Remove the positive crankcase ventilation (PCV) line (1) from the air cleaner outlet duct.

    3. Object Number: 1899724 Size: SH
  3. Loosen the air cleaner outlet duct clamp (1) at the air cleaner housing.

    4. Object Number: 1899725 Size: SH
  4. Loosen the air cleaner outlet duct clamp (1) at the throttle body.
  5. Grasp the air cleaner outlet duct near the ball stud and firmly pull up in order to disengage the duct from the ball stud.
  6. Remove the air cleaner outlet duct (2) from the throttle body and the air cleaner housing.

Installation Procedure

    Object Number: 1899725 Size: SH
  1. Install the air cleaner outlet duct (2) to the throttle body and the air cleaner housing.
  2. Ensure that the air cleaner outlet duct tab rests over the ball stud, press down on the duct tab in order to engage the duct to the ball stud.

    3. Notice: Refer to Fastener Notice in the Preface section.

  3. Tighten the air cleaner outlet duct clamp (1) at the throttle body.

    4. Tighten
    Tighten the clamp to 3.5 N·m (31 lb in).


    Object Number: 1899724 Size: SH
  4. Tighten the air cleaner outlet duct clamp (1) at the air cleaner housing.

    5. Tighten
    Tighten the clamp to 3.5 N·m (31 lb in).


    Object Number: 1899723 Size: SH
  5. Install the PCV line (1) to the air cleaner outlet duct.
  6. Install the intake manifold cover. Refer to Upper Intake Manifold Sight Shield Replacement.