GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2007 🢒 TopKick C-Series (Conventional) C4/C5 🢒 Engine 🢒 Engine Controls and Fuel - 6.6L (LBZ and LLY) 🢒 Intake Air Temperature (IAT) Sensor 2 Replacement

Removal Procedure

    Object Number: 1658596 Size: SH
  1. Remove the air intake pipe. Refer to Air Intake Pipe Replacement .
  2. Disconnect the engine harness electrical connector from the intake air temperature (IAT) sensor electrical connector (2).
  3. Remove the IAT sensor (1) from the center intake manifold.

Installation Procedure

    Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1658596 Size: SH
  1. Install the IAT sensor (1) to the center intake manifold.

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

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