GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
2007
🢒
TopKick C-Series (Conventional) C4/C5
🢒
Engine
🢒
Engine Controls and Fuel - 6.6L (LBZ and LLY)
🢒 Fuel Hose Replacement - Fuel Filter/Heater Element Housing to Fuel Feed Block
Removal Procedure
Remove the air cleaner. Refer to
Air Cleaner Replacement
.
Remove the engine cover. Refer to
Engine Cover Replacement
.
Remove the charge air tube from the charge air cooler at the turbocharger. Refer to
Charged Air Cooler Hoses/Pipes Replacement
for the 6.6L (LLY) engine.
Reposition the hose clamps at the fuel filter and the return line.
Remove the fuel hose from the fuel filter housing and the return line.
Installation Procedure
Install the fuel hose to the fuel filter housing and return line.
Position the hose clamps at the fuel filter and the return line.
Install the engine cover. Refer to
Engine Cover Replacement
.
Install the air cleaner. Refer to
Air Cleaner Replacement
.
Install the charge air tube to the turbocharger and the charge air cooler. Refer to
Charged Air Cooler Hoses/Pipes Replacement
for the 6.6L (LLY) engine.
Prime the fuel system. Refer to
Fuel System Priming
.
Start the engine. If the engine stalls, repeat step 5.
Once the engine starts, inspect for fuel leaks.