GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2006 🢒 GMC Sierra Denali 🢒 Vehicle Control Systems 🢒 Vehicle DTC Information 🢒 Mass Airflow Sensor with Intake Air Temperature Sensor Replacement

Removal Procedure

    Object Number: 877698 Size: SH
  1. Disconnect the mass air flow (MAF)/intake air temperature (IAT) sensor electrical connector (1).

    2. Object Number: 1606537 Size: SH
  2. Remove the MAF/IAT sensor TORX® screws.
  3. Remove the MAF/IAT sensor.

Installation Procedure

    Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1606537 Size: SH
  1. Install the MAF/IAT sensor.
  2. Install the MAF/IAT sensor TORX® screws.

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


    Object Number: 877698 Size: SH
  3. Connect the MAF/IAT sensor electrical connector (1).