GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2008 🢒 TopKick C-Series (Conventional) C4/C5 🢒 Engine 🢒 Engine Controls and Fuel - 6.6L 🢒 Fuel Injection Fuel Return Pipe Replacement - Right Side

Removal Procedure

    Object Number: 1866131 Size: SH
  1. Remove the wheelhouse liner. Refer to Wheelhouse Panel Replacement .
  2. Disconnect the fuel injection fuel return line from the fuel injection fuel feed manifold.
  3. Remove the fuel injection fuel return line clips.
  4. Remove the fuel injection fuel return line from the injectors.

Installation Procedure

    Object Number: 1866131 Size: SH
  1. Install the fuel injection fuel return line to the injectors.
  2. Install the fuel injection fuel return line clips.
  3. Connect the fuel injection fuel return line to the fuel injection fuel feed manifold.
  4. Prime the fuel system. Refer to Fuel System Priming .
  5. Install the wheelhouse liner. Refer to Wheelhouse Panel Replacement .
  6. Start the engine. If the engine stalls, repeat the above step.
  7. Once the engine starts, inspect for fuel leaks.