GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2009 🢒 TopKick C-Series (Conventional) C4/C5 🢒 Engine 🢒 Engine Controls and Fuel - 6.6L 🢒 Fuel Return Hose Replacement - Fuel Return Pipe to Fuel Injection Pump

Removal Procedure

    Object Number: 1865952 Size: SH
  1. Remove the air cleaner. Refer to Air Cleaner Assembly Replacement .
  2. Remove the water outlet. Refer to Water Outlet Tube Replacement .
  3. Remove the intake manifold tube. Refer to Intake Manifold Tube Replacement .
  4. Reposition the fuel hose clamps (3) at the return line junction and injection pump.
  5. Remove the fuel hose (2) from the return line junction and injection pump.

Installation Procedure

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