GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Saturn 🢒 2009 🢒 Astra 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Mass Airflow Sensor Replacement

Removal Procedure
  1. Open the hood.

    2. Object Number: 1945803 Size: SH
  2. Remove the mass airflow sensor.
  3. Disconnect the wiring harness plug (2).
  4. Remove the 2 clamps (1).

Installation Procedure

    Caution: Refer to Fastener Caution in the Preface section.

  1. Install the mass airflow sensor.

    2. Tighten
    Tighten the 2 clamps to 3.5 N·m (31 lb in).

  2. Install the wiring harness plug.
  3. Close the hood.