GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2008 🢒 Malibu 🢒 Engine 🢒 Engine Cooling 🢒 Air Cleaner Outlet Duct Replacement

Removal Procedure

    Object Number: 1774991 Size: SH
  1. Remove the intake manifold cover. Refer to Intake Manifold Cover Replacement .
  2. disconnect the positive crankcase ventilation (PCV) fresh air tube quick connect fitting from the air cleaner outlet duct. Refer to Plastic Collar Quick Connect Fitting Service .
  3. Reposition the tube out of the way.

    4. Object Number: 1800493 Size: SH
  4. Loosen the air cleaner outlet duct clamps (1, 2) at the mass air flow (MAF)/intake air temperature (IAT) sensor and throttle body.
  5. Remove the air cleaner outlet duct bolt (5).
  6. Remove the air cleaner outlet duct spacer (4) and insulator (5), if required.
  7. Remove the air cleaner outlet duct.

Installation Procedure

    Object Number: 1800493 Size: SH
  1. Position and install the air cleaner outlet duct to the MAF/IAT sensor and the throttle body.
  2. Position the air cleaner outlet duct insulator (5) and spacer (4), if required.

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

  3. Install the air cleaner outlet duct bolt (5).

    4. Tighten
    Tighten the bolt to 10 N·m (89 lb in).

  4. Tighten the air cleaner outlet duct clamps (1, 2) at the MAF/IAT sensor and throttle body.

    5. Tighten
    Tighten the clamp to 4 N·m (35 lb in).


    Object Number: 1774991 Size: SH
  5. Position the PCV tube.
  6. Connect the PCV fresh air tube quick connect fitting to the air cleaner outlet duct. Refer to Plastic Collar Quick Connect Fitting Service
  7. Install the intake manifold cover. Refer to Intake Manifold Cover Replacement .