GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2007 🢒 Express - AWD 🢒 Engine 🢒 Engine Controls and Fuel - 6.6L (LMM) 🢒 Engine Controls Component Views
Figure 1:

Engine - Right Side (LMM)
Object Number: 1831325 Size: LF
(1)Fuel Injector 7
(2)X112
(3)Fuel Injector 5
(4)Fuel Injector 3
(5)Exhaust Gas Recirculation (EGR) Valve
(6)Fuel Injector 1
(7)Generator
(8)Intake Air (AI) Flow Valve
(9)X108
(10)Camshaft Position (CMP) Sensor
(11)Crankshaft Position (CKP) Sensor
(12)G108
(13)G104
(14)Starter Motor
(15)Glow Plug 1
(16)Glow Plug 3
(17)Glow Plug 5
(18)Glow Plug 7
Figure 2:

Left Side of the Engine (LMM)
Object Number: 1831331 Size: LF
(1)X110
(2)X111
(3)Intake Air Temperature (IAT) Sensor 2
(4)Fuel Injector 4
(5)Glow Plug Control Module (GPCM)
(6)Fuel Injector 6
(7)Fuel Injector 8
(8)Glow Plug 8
(9)Glow Plug 6
(10)Engine Oil Level Switch
(11)Engine Oil Pressure (EOP) Sensor
(12)G107
(13)G102
(14)G103
(15)Glow Plug 4
(16)Glow Plug 2
(17)Fuel Injector 2
(18)X101
(19)A/C Compressor
Figure 3:

Top of Engine - LMM
Object Number: 1842295 Size: LF
(1)C111
(2)Engine Coolant Temperature (ECT) Sensor 2
(3)Engine Coolant Temperature (ECT) Sensor 1
(4)Fuel Pressure Regulator
Figure 4:

Upper Engine
Object Number: 1831320 Size: LF
(1)Mass Air Flow (MAF) Sensor/Intake Air Temperature (IAT) Sensor
(2)Throttle Body
(3)Intake Air (AI) Flow Valve
(4)Intake Air Heater (IAH) Module
(5)Manifold Absolute Pressure (MAP) Sensor
(6)Turbocharger
(7)Turbocharger Vane Position Control Solenoid Valve
(8)Turbocharger Vane Position Sensor
(9)Fuel Rail Temperature (FRT) Sensor
(10)X111
(11)X110
Figure 5:

Top Rear of Engine (6.6L)
Object Number: 1842559 Size: LF
(1)Fuel Rail Pressure (FRP) Sensor
(2)X112
Figure 6:

LF of the Engine Compartment
Object Number: 1630919 Size: MF
(1)Fender - Front Left
(2)Electronic Control Module (ECM)
(3)Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor
(4)Air Cleaner Assembly
Figure 7:

Left Side Frame
Object Number: 1607995 Size: MF
(1)Fuel Level Sensor Connector
(2)Battery - Secondary
(3)G305
(4)Coolant Heater - Fuel Pump (K08)
(5)Coolant Heater (K08)
(6)Fuel Pump Assembly
Figure 8:

Right Side Frame
Object Number: 1831620 Size: MF
(1)DPF Differential Pressure Sensor
(2)Engine Jumper Harness
(3)Exhaust Gas Temperature (EGT) Sensor - 1
(4)Particulate Filter
(5)Exhaust Gas Temperature (EGT) Sensor - 2
Figure 9:

Lower Left of the I/P
Object Number: 192941 Size: SF
(1)Accelerator Pedal Position (APP) Sensor
(2)Accelerator Pedal
(3)Brake Pedal
Figure 10:

Instrument Panel
Object Number: 1631556 Size: LF
(1)Turn Signal/Multifunction Switch
(2)Instrument Panel Cluster (IPC)
(3)HVAC Control Assembly
(4)Radio
(5)Auxiliary Power Outlet 2
(6)Traction Control Switch (JL4)
(7)Inflatable Restraint PASSENGER AIR BAG ON/OFF Indicator (Light Duty w/o YF7)
(8)High Idle Switch (UF3)
(9)Inflatable Restraint I/P Disable Switch (Heavy Duty)
(10)Cigar Lighter (DT4)/Auxiliary Power Outlet 1 (w/o DT4)
(11)Blower Motor Switch - Auxiliary (C36)
(12)Tow/Haul Switch
(13)Headlamp and Panel Dimmer Switch