GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
2005
🢒
GMC K Sierra - 4WD
🢒
Engine
🢒
Engine Controls - 6.6L (LLY)
🢒 Fuel Injection Fuel Return Pipe Replacement - Right Side
Removal Procedure
Remove the fuel injection control module (FICM). Refer to
Fuel Injector Control Module Replacement
.
Remove the fuel filter and bracket. Refer to
Fuel Filter Replacement
.
Disconnect the return line from the return/junction block line.
Remove the fuel return line clips.
Remove the fuel injector return line from the injectors.
Installation Procedure
Install the fuel injector return line to the injectors.
Install the fuel return line clips.
Connect the return line to the return/junction block line.
Install the fuel filter and bracket. Refer to
Fuel Filter Replacement
.
Install the FICM. Refer to
Fuel Injector Control Module Replacement
.
Prime the fuel system. Refer to
Fuel System Priming
.
Start the engine. If the engine stalls, repeat the above step.
Once the engine starts, inspect for fuel leaks.