GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 851306  Size: SH
  1. Remove the intake manifold cover. Refer to Intake Manifold Cover Replacement .
  2. Reposition the positive crankcase ventilation (PCV) hose clamp at the outlet duct.
  3. Remove the PCV hose from the air cleaner outlet duct.

  4. Object Number: 1652248  Size: SH
  5. Loosen the clamps at the air cleaner housing and throttle body.
  6. Remove the air cleaner outlet duct.

Installation Procedure


    Object Number: 1652248  Size: SH
  1. Install the air cleaner outlet duct to the throttle body and air cleaner housing.
  2. Notice: Refer to Fastener Notice in the Preface section.

  3. Tighten the clamps at the air cleaner housing and throttle body.
  4. Tighten
    Tighten the clamps to 5 N·m (44  lb in).


    Object Number: 851306  Size: SH
  5. Install the PCV hose to the air cleaner outlet duct.
  6. Position the PCV hose clamp at the outlet duct.
  7. Install the intake manifold cover. Refer to Intake Manifold Cover Replacement .