GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2009 🢒 Express - AWD 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Mass Airflow Sensor with Intake Air Temperature Sensor Replacement

Removal Procedure

    Object Number: 1655957 Size: SH
  1. Disconnect the mass air flow (MAF)/intake air temperature (IAT) sensor electrical connector.

    2. Object Number: 1731292 Size: SH
  2. Remove the MAF/IAT sensor TORX® screws.
  3. Remove the MAF/IAT sensor.

Installation Procedure

    Object Number: 1731292 Size: SH
  1. Install the MAF/IAT sensor.

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

  2. Install the MAF/IAT sensor TORX® screws and tighten to 8 N·m (70 lb in).

    3. Object Number: 1655957 Size: SH
  3. Connect the MAF/IAT sensor electrical connector.