GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2004 🢒 TopKick C-Series (Conventional) C4/C5 🢒 Engine 🢒 Engine Controls - 6.6L (LB7) 🢒 Intake Air Heater Replacement

Removal Procedure
  1. Remove the engine cover. Refer to Engine Cover Replacement in Interior Trim.
  2. Remove the air cleaner layer. Refer to Air Cleaner Replacement .

    3. Object Number: 757206 Size: SH
  3. Remove the intake air heater harness connector nut.
  4. Remove the intake air heater from the inlet pipe.

Installation Procedure

    Notice: Refer to Fastener Notice in the Preface section.

  1. Install the intake air heater in the inlet pipe.

    2. Tighten
    Tighten the intake air heater to 50 N·m (37 lb ft).


    Object Number: 757206 Size: SH
  2. Connect the intake air heater harness connector.

    3. Tighten
    Tighten the air intake heater electrical nut to 5 N·m (44 lb in).

  3. Install the air cleaner layer. Refer to Air Cleaner Replacement .
  4. Install the engine cover. Refer to Engine Cover Replacement in Interior Trim.