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

Removal Procedure

    Object Number: 1871110 Size: SH
  1. Disconnect the engine wiring harness electrical connector (1) from the mass air flow (MAF)/intake air temperature (IAT) sensor.

    2. Object Number: 1871111 Size: SH
  2. Remove the MAF/IAT sensor TORX® screws.
  3. Remove the MAF/IAT sensor.

Installation Procedure

    Object Number: 1871111 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.

    3. Tighten
    Tighten the screws to 8 N·m (70 lb in).


    Object Number: 1871110 Size: SH
  3. Connect the engine wiring harness electrical connector (1) to the MAF/IAT sensor.