GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
2009
🢒
Sierra - 4WD
🢒
Engine
🢒
Engine Controls and Fuel - 6.6L
🢒 Fuel Return Hose Replacement - Fuel Return Pipe to Fuel Injection Pump
Removal Procedure
Remove the water outlet. Refer to
Water Outlet Tube Replacement
.
Remove the intake manifold tube. Refer to
Intake Manifold Tube Replacement
.
Reposition the fuel hose clamp (1) at the fuel return pipe.
Reposition the fuel hose clamp (2) at the fuel injection pump.
Remove the fuel hose (1) from the return pipe and injection pump.
Installation Procedure
Install the fuel hose (1) to the return pipe and injection pump.
Position the fuel hose clamp (2) at the fuel injection pump.
Position the fuel hose clamp (1) at the fuel return pipe.
Install the intake manifold tube. Refer to
Intake Manifold Tube Replacement
.
Install the water outlet. Refer to
Water Outlet Tube 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.