GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2009 🢒 Sierra - 4WD 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Intake Air Temperature (IAT) Sensor 2 Replacement

Removal Procedure

    Object Number: 1602068 Size: SH
  1. Remove the air intake pipe. Refer to Air Intake Pipe Replacement.
  2. Disconnect the engine wiring harness electrical connector (1) from the intake air temperature (IAT) sensor pigtail.
  3. Remove the IAT sensor (2) from the center intake manifold.

Installation Procedure

    Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 1602068 Size: SH
  1. Install the IAT sensor (2) to the center intake manifold.

    2. Tighten
    Tighten the sensor to 25 N·m (18 lb ft).

  2. Connect the engine wiring harness electrical connector (1) to the IAT sensor pigtail.
  3. Install the air intake pipe. Refer to Air Intake Pipe Replacement.