GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2009 🢒 Sierra Denali 🢒 Engine 🢒 Engine Mechanical - 6.6L 🢒 Fuel Pipes and Fuel Rail Installation

    Object Number: 1335617 Size: SH
  1. Install the right fuel rail.

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

  2. Install the right fuel rail mounting bolts and tighten to 25 N·m (18 lb ft).

    3. Object Number: 1335616 Size: SH
  3. Install the left fuel rail.
  4. Install the left fuel rail mounting bolts and tighten to 25 N·m (18 lb ft).

    5. Object Number: 1335614 Size: SH

    Warning: Improper torque methods of the fuel lines will result in fuel leaks and possible damage to the engine. Failure to follow proper fuel line fitting torque methods could result in serious personal injury.

  5. Install the injection pipes to the right bank and tighten to 41 N·m (30 lb ft).

    6. Object Number: 1335608 Size: SH

    Warning: Improper torque methods of the fuel lines will result in fuel leaks and possible damage to the engine. Failure to follow proper fuel line fitting torque methods could result in serious personal injury.

  6. Install the injection pipes to the left bank and tighten to 41 N·m (30 lb ft).

    7. Object Number: 1650670 Size: SH
  7. Install the exhaust gas recirculation (EGR) mounting brackets.
  8. Install the EGR mounting bracket bolts and tighten to 20 N·m (15 lb ft).

    9. Object Number: 1335603 Size: SH
  9. Install the left fuel rail to pump pipe and tighten to 41 N·m (30 lb ft).

    10. Object Number: 1335600 Size: SH
  10. Install the coolant pipe.
  11. Install the coolant pipe bolt and nut and tighten to 25 N·m (18 lb ft).

    12. Object Number: 1335596 Size: SH
  12. Install the distribution block and fuel line assembly.
  13. Install the distribution block and fuel line assembly bolts. Tighten the fuel line assembly bolts to 25 N·m (18 lb ft).

    14. Object Number: 1335595 Size: SH
  14. Connect the fuel hoses to the fuel injector pump.

    15. Object Number: 1335592 Size: SH
  15. Install the right fuel return hose.

    16. Object Number: 1335588 Size: SH
  16. Install the left fuel return hose.

    17. Object Number: 1335586 Size: SH
  17. Install the fuel rail balance pipe.
  18. Install the fuel rail balance pipe bolts and tighten to 21 N·m (15 lb ft).
  19. Connect the fuel rail balance pipe to the fuel rails. Tighten the fuel rail balance pipe nuts to 41 N·m (30 lb ft).

    20. Object Number: 1335584 Size: SH
  20. Install the fuel feed pipe.
  21. Install the fuel feed pipe attaching nuts and bolts. Tighten the fuel feed pipe bolts and nut to 25 N·m (18 lb ft).