GM Service Manual Online
For 1990-2009 cars only
Figure 1:

Left Front of the Engine Compartment


Object Number: 1601436  Size: LF
(1)Engine Control Module (ECM)
(2)Transmission Control Module (TCM)
Figure 2:

Right Side of the Engine


Object Number: 1372695  Size: LF
(1)Fuel Injector 7
(2)Glow Plug 7
(3)Fuel Injector 5
(4)Glow Plug 5
(5)Fuel Injector 3
(6)Glow Plug 3
(7)Fuel Injector 1
(8)Glow Plug 1
(9)Camshaft Position (CMP) Sensor
(10)Crankshaft Position (CKP) Sensor
(11)Starter
(12)Starter Solenoid
Figure 3:

Left Side of the Engine


Object Number: 1372696  Size: LF
(1)Glow Plug 2
(2)Fuel Injector 2
(3)Fuel Injector 4
(4)Glow Plug 4
(5)Fuel Injector 6
(6)Glow Plug 6
(7)Fuel Injector 8
(8)Glow Plug 8
(9)Engine Oil Pressure (EOP) Sensor
(10)Engine Oil Level Switch
Figure 4:

Top of the Engine


Object Number: 1601434  Size: LF
(1)Fuel Heater
(2)Fuel Filter
(3)Water In Fuel (WIF) Sensor
(4)Fuel Rail Pressure (FRP) Sensor
(5)Glow Plug Control Module (GPCM)
(6)Fuel Rail Temperature (FRT) Sensor
(7)Fuel Pressure Regulator
(8)Intake Air Temperature (IAT) Sensor 2
(9)Intake Air Heater (IAH) Module
(10)Manifold Absolute Pressure (MAP) Sensor
(11)Exhaust Gas Recirculation (EGR) Valve
Figure 5:

Upper Front of the Engine


Object Number: 1372700  Size: LF
(1)Engine Coolant Temperature (ECT) Sensor
Figure 6:

Turbo Assembly


Object Number: 1372698  Size: LF
(1)Turbocharger Vane Position Control Solenoid Valve
(2)Turbocharger Vane Position Sensor
Figure 7:

Fuel Tank - Primary


Object Number: 1453751  Size: LF
(1)Fuel Pump and Sender Assembly - Primary Connector (Gas)/Fuel Level Sensor - Primary Connector (Diesel)
(2)Fuel Pump and Sender Assembly - Primary (Gas)/Fuel Level Sensor - Primary (Diesel)
Figure 8:

Fuel Tank - Secondary


Object Number: 1372699  Size: LF
(1)Fuel Pump and Sender Assembly - Secondary (Gas)/Fuel Level Sensor - Secondary (Diesel)
(2)Fuel Pump (Diesel Only)
Figure 9:

Right Front Side of Engine Compartment


Object Number: 1693348  Size: LF
(1)Air Cleaner
(2)Mass Air Flow (MAF) Sensor/Intake Air Temperature Sensor
(3)Engine
Figure 10:

Under I/P - Left Side


Object Number: 1690643  Size: MF
(1)Passthrough to Electronic Throttle Control (ETC) Module
(2)Electronic Adjustable Pedals (EAP) Relay (JF4)
(3)Electronic Adjustable Pedals (EAP) Assembly (JF4)
(4)Stop Lamp Switch
(5)Accelerator Pedal Position Sensor
(6)Electronic Adjustable Pedals (EAP) Position Sensor (JF4 w/AN3)
(7)I/P Relay Block