GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2006 🢒 TopKick C-Series (Conventional) C6/C7/C8 🢒 Engine 🢒 Engine Controls - 6.6L 🢒 Fuel Injection Fuel Feed Front Pipe Replacement - Left Side

Removal Procedure
  1. Remove the air cleaner. Refer to Air Cleaner Replacement .
  2. Remove the fuel filter. Refer to Fuel Filter Replacement .

    3. Object Number: 1387646 Size: SH
  3. Remove the water outlet. Refer to Water Outlet Tube Replacement .
  4. Reposition the return line hose clamps at the return line and injection pump.
  5. Remove the hose (3) from the return line and injection pump.

    6. Object Number: 1387871 Size: SH
  6. Disconnect the left fuel rail feed pipe fittings (1).

    7. Object Number: 1335603 Size: SH
  7. Remove the left fuel rail feed pipe.

Installation Procedure

    Object Number: 1335603 Size: SH
  1. Install the left fuel rail feed pipe.

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


    Object Number: 1387871 Size: SH
  2. Connect the left fuel rail feed pipe fittings (1).

    3. Tighten
    Tighten the fittings to 41 N·m (30 lb ft).


    Object Number: 1387646 Size: SH
  3. Install the hose (3) to the return line and injection pump.
  4. Position the return line hose clamps at the return line and injection pump.
  5. Install the water outlet. Refer to Water Outlet Tube Replacement .
  6. Install the fuel filter. Refer to Fuel Filter Replacement .
  7. Install the air cleaner. Refer to Air Cleaner Replacement .
  8. Prime the fuel system. Refer to Fuel System Priming .
  9. Start the engine. If the engine stalls, repeat the above step.
  10. Once the engine starts, inspect for fuel leaks.