GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2006 🢒 GMC Sierra Denali 🢒 Engine 🢒 Engine Controls - 6.6L 🢒 Fuel Injection Fuel Feed Front Pipe Replacement - Right Side

Removal Procedure

    Object Number: 1387855 Size: SH
  1. Remove the engine wiring harness. Refer to Engine Wiring Harness Assembly Replacement .
  2. Remove the water outlet. Refer to Water Outlet Tube Replacement .
  3. Remove the exhaust gas recirculation (EGR) cooler tube. Refer to Exhaust Gas Recirculation Valve Cooler Replacement .
  4. Disconnect the right fuel rail feed pipe fittings (1, 3).
  5. Remove the fuel rail pipe clamp bolts (2).

    6. Object Number: 1335586 Size: SH
  6. Remove the right fuel rail feed pipe.

Installation Procedure

    Object Number: 1335586 Size: SH
  1. Install the right fuel rail feed pipe.

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


    Object Number: 1387855 Size: SH
  2. Install the fuel rail pipe clamp bolts (2).

    3. Tighten
    Tighten the bolts to 25 N·m (18 lb ft).

  3. Connect the right fuel rail feed pipe fittings (1, 3).

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

  4. Install the EGR cooler tube. Refer to Exhaust Gas Recirculation Valve Cooler Replacement .
  5. Install the water outlet. Refer to Water Outlet Tube Replacement .
  6. Install the engine wiring harness. Refer to Engine Wiring Harness Assembly Replacement .
  7. Prime the fuel system. Refer to Fuel System Priming .
  8. Start the engine. If the engine stalls, repeat the above step.
  9. Once the engine starts, inspect for fuel leaks.