GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2009 🢒 Cobalt 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Air Cleaner Outlet Duct Replacement

Removal Procedure

    Object Number: 1657019 Size: SH
  1. Remove the intake manifold cover. Refer to Intake Manifold Cover Replacement.
  2. Loosen the clamps at the air cleaner housing and throttle body.
  3. Reposition the positive crankcase ventilation (PCV) hose clamp at the camshaft cover.
  4. Remove the PCV hose from the camshaft cover.
  5. Remove the push pin retainer.
  6. Remove the air cleaner outlet duct.

    7. Object Number: 1656106 Size: SH
  7. If necessary, reposition the PCV hose clamp at the outlet duct.
  8. If necessary, remove the PCV hose from the outlet duct.

Installation Procedure

    Object Number: 1656106 Size: SH
  1. If necessary, install the PCV hose to the outlet duct.
  2. If necessary, position the PCV hose clamp at the outlet duct.

    3. Object Number: 1657019 Size: SH
  3. Install the air cleaner outlet duct to the throttle body and air cleaner housing.

    4. Caution: Refer to Fastener Caution in the Preface section.

  4. Tighten the clamps at the air cleaner housing and throttle body to 5 N·m (44  lb in).
  5. Install the push pin retainer.
  6. Install the PCV hose to the camshaft cover.
  7. Position the PCV hose clamp at the camshaft cover.
  8. Install the intake manifold cover. Refer to Intake Manifold Cover Replacement.