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

Removal Procedure

    Object Number: 1387871 Size: SH
  1. Remove the fuel return pipe to fuel injection pump fuel hose. Refer to Fuel Return Hose Replacement - Fuel Return Pipe to Fuel Injection Pump.
  2. Loosen the left fuel rail fuel feed pipe fittings (1).

    3. Object Number: 1335603 Size: SH

    Note: Note the routing of the left fuel rail fuel feed pipe under the fuel feed and return pipes.

  3. Remove the left fuel rail fuel feed pipe.

Installation Procedure

    Object Number: 1335603 Size: SH

    Note: Ensure that the routing of the left fuel rail fuel feed pipe is under the fuel feed and return pipes.

  1. Position and install the left fuel rail fuel feed pipe.

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


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

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

  3. Install the fuel return pipe to fuel injection pump fuel hose. Refer to Fuel Return Hose Replacement - Fuel Return Pipe to Fuel Injection Pump.
  4. Prime the fuel system. Refer to Fuel System Priming.
  5. Start the engine. If the engine stalls, repeat the above step.
  6. Once the engine starts, inspect for fuel leaks.