GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
2007
🢒
Sierra Classic - 4WD
🢒
Engine
🢒
Engine Controls and Fuel - 6.6L (LBZ and LLY)
🢒 Fuel Injection Line Routing Diagram
Fuel System Overview
(1)
Fuel Rail
(2)
Fuel Pressure Sensor
(3)
Fuel Injectors
(4)
Fuel Return Junction Block
(5)
Fuel Cooler
(6)
Fuel Tank
(7)
Fuel Filter/Heater Element Housing
(8)
First Start Fuel Bleeder Valve
(9)
Fuel Injection Pump