GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2008 🢒 TopKick C-Series (Conventional) C4/C5 🢒 Engine 🢒 Engine Controls and Fuel - 6.6L 🢒 Fuel Injection Fuel Feed Front Pipe Replacement - Left Side

Removal Procedure

    Object Number: 1865952 Size: SH
  1. Remove the water outlet. Refer to Water Outlet Tube Replacement .
  2. Reposition the return hose clamps (3) at the return line and injection pump.
  3. Remove the fuel return hose (2) from the return line and injection pump.

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

    5. Object Number: 1335603 Size: SH
  5. 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. Tighten the left fuel rail feed pipe fittings (1).

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


    Object Number: 1865952 Size: SH
  3. Install the fuel return hose (2) to the return line and injection pump.
  4. Position the fuel hose clamps (3) at the return line and injection pump.
  5. Install the water outlet. Refer to Water Outlet Tube Replacement .
  6. Prime the fuel system. Refer to Fuel System Priming .
  7. Start the engine. If the engine stalls, repeat the above step.
  8. Once the engine starts, inspect for fuel leaks.