GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2009 🢒 TopKick C-Series (Conventional) C6/C7/C8 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Mass Airflow Sensor with Intake Air Temperature Sensor Replacement

Removal Procedure

    Object Number: 1864638 Size: SH
  1. Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement.
  2. Remove the MAF/IAT sensor screws.
  3. Remove the MAF/IAT sensor and seal from the air cleaner.

Installation Procedure

    Object Number: 1864638 Size: SH
  1. Install the MAF/IAT sensor and seal to the air cleaner.

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

  2. Install the MAF/IAT sensor screws.

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

  3. Install the air cleaner assembly. Refer to Air Cleaner Assembly Replacement.