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 Manifold Replacement

Removal Procedure

    Object Number: 1872010 Size: SH
  1. Remove the generator. Refer to Generator Replacement.
  2. Remove the fuel filter/heater element housing to fuel feed block fuel hose. Refer to Fuel Hose Replacement - Fuel Filter/Heater Element Housing to Fuel Feed Block.
  3. Remove the intake manifold tube. Refer to Intake Manifold Tube Replacement.
  4. Remove the water outlet tube. Refer to Water Outlet Tube Replacement.
  5. Reposition the fuel hose clamp (2) at the fuel injection fuel feed manifold.

    6. Object Number: 1872011 Size: SH
  6. Remove the fuel hose (4) from the fuel injection fuel feed manifold.

    7. Object Number: 1872348 Size: SH
  7. Reposition the fuel return hose clamp (1) at the fuel injection fuel feed manifold.

    8. Object Number: 1872805 Size: SH
  8. Remove the fuel pipe clip bolt (1) and clip.
  9. Disconnect the fuel injector fuel feed pipe (2) from the fuel injection fuel feed manifold.

    10. Object Number: 1872807 Size: SH

    Note: Note the routing of the fuel injection fuel feed manifold pipes under the exhaust gas recirculation (EGR) bracket.

  10. Remove the fuel injection fuel feed manifold from the fuel return hose and the vehicle.

Installation Procedure

    Object Number: 1872807 Size: SH

    Note: Ensure to route the fuel injection fuel feed manifold pipes under the EGR bracket.

  1. Install the fuel injection fuel feed manifold to the vehicle and the fuel return hose.

    2. Object Number: 1872805 Size: SH
  2. Connect the fuel injector fuel feed pipe (2) to the fuel injection fuel feed manifold.

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

  3. Install the fuel pipe clip and bolt (1).

    4. Tighten
    Tighten the bolt to 24 N·m (18 lb ft).


    Object Number: 1872348 Size: SH
  4. Position the fuel return hose clamp (1) at the fuel injection fuel feed manifold.

    5. Object Number: 1872011 Size: SH
  5. Install the fuel hose (4) to the fuel injection fuel feed manifold.

    6. Object Number: 1872010 Size: SH
  6. Position the fuel hose clamp (2) at the fuel injection fuel feed manifold.
  7. Install the water outlet tube. Refer to Water Outlet Tube Replacement.
  8. Install the intake manifold tube. Refer to Intake Manifold Tube Replacement.
  9. Install the fuel filter/heater element housing to fuel feed block fuel hose. Refer to Fuel Hose Replacement - Fuel Filter/Heater Element Housing to Fuel Feed Block.
  10. Install the generator. Refer to Generator Replacement.
  11. Prime the fuel system. Refer to Fuel System Priming.
  12. Start the engine. If the engine stalls, repeat the above step.
  13. Once the engine starts, inspect for fuel leaks.