GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2004 🢒 GMC C Sierra - 2WD 🢒 Engine 🢒 Engine Mechanical - 6.6L (LB7) 🢒 Glow Plug Controller and Glow Plugs Removal

    Object Number: 798879 Size: SH
  1. Remove the intake air heater connector.

    2. Object Number: 660433 Size: SH
  2. Remove the glow plug harness bracket bolt.
  3. Remove the glow plug harness nut from the left cylinder bank.
  4. Remove the glow plug power feed wires from both cylinder banks.
  5. Remove the glow plug controller nuts.
  6. Remove the glow plug controller.

    7. Object Number: 660492 Size: SH
  7. Remove the glow plug harness nuts from the left cylinder bank.
  8. Remove the glow plug harness from the left cylinder bank - 1 California, 2 Federal.
  9. Remove the glow plugs from the left cylinder bank.

    10. Object Number: 660512 Size: SH
  10. Remove the glow plug harness nuts from the right cylinder bank.
  11. Remove the glow plug harness from the right cylinder bank - 1 California, 2 Federal.
  12. Remove the glow plugs from the right cylinder bank.