GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2009 🢒 Malibu 🢒 Engine 🢒 Engine Controls and Fuel - 3.5L 🢒 Mass Airflow Sensor with Intake Air Temperature Sensor Replacement

Removal Procedure

    Object Number: 1777208 Size: SH
  1. Remove the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement.
  2. Disconnect the engine wiring harness electrical connector (1) from the mass airflow (MAF)/intake air temperature (IAT) sensor.

    3. Object Number: 1837985 Size: SH
  3. Remove the MAF/IAT sensor screws.
  4. Remove the MAF/IAT sensor.
  5. Remove and discard the MAF/IAT sensor seal.

Installation Procedure

    Object Number: 1837985 Size: SH
  1. Install a NEW MAF/IAT sensor seal.
  2. Install the MAF/IAT sensor.

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

  3. Install the MAF/IAT sensor screws.

    4. Tighten
    Tighten the screws to 5 N·m (44 lb in).


    Object Number: 1777208 Size: SH
  4. Connect the engine wiring harness electrical connector (1) to the MAF/IAT sensor.
  5. Install the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement.