GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2001 🢒 Chevy C Silverado - 2WD 🢒 HVAC 🢒 HVAC Systems - Manual 🢒 Engine Controls Component Views
Figure 1:

LF of the Engine Components (6.6L)
Object Number: 656499 Size: MF
(1)AC High Pressure Switch Connector
(2)C108
(3)C107
(4)Engine Glow Plug Relay
(5)Glow Plug Harness
(6)Diesel Engine-6.6L
(7)Generator Connector
(8)AC Compressor Clutch Connector
Figure 2:

RR of the Engine Compartment Components (6.6L)
Object Number: 656498 Size: MF
(1)Radiator Surge Tank
(2)AC Low Pressure Switch Connector
(3)A/C Accumulator
(4)Engine Harness
(5)Surge Tank Switch Connector
(6)Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor Connector
Figure 3:

Underhood Junction Block (w/PTO)
Object Number: 656494 Size: MF
(1)Junction Block-Underhood
(2)Engine Wiring Harness
(3)Power Take Off (PTO) Relay
Figure 4:

Lower LF of the Engine Components (6.6L)
Object Number: 768351 Size: MF
(1)Engine - 6.6L Diesel
(2)Negative Battery Cable
(3)Negative Battery Ground
(4)G103
(5)Engine Harness
Figure 5:

Accelerator Pedal (6.6L)
Object Number: 776382 Size: MF
(1)APP Sensor
(2)APP Sensor Connector
Figure 6:

LR of the Engine Compartment Components (6.6L)
Object Number: 656408 Size: MF
(1)Inline Connector-C105 (IP Harness Side)
(2)Inline Connector-C105 (Engine Harness Side)
(3)Junction Block-Underhood
Figure 7:

Glow Plug Terminal and Trailer Lead Connections-Diesel
Object Number: 656497 Size: MF
(1)Glow Plug Terminal Connection
(2) Junction Block-Underhood
(3)Trailer Terminal Connection
Figure 8:

Left Side of the Engine Components (6.6L)
Object Number: 765089 Size: MF
(1)Baro Sensor
(2)J - Block
Figure 9:

Right Side of the Engine Components (6.6L)
Object Number: 765100 Size: MF
(1)Boost Sensor Bracket
(2)Boost Sensor Connector
(3)Boost Sensor
Figure 10:

Lower RF of the Engine Components (6.6L)
Object Number: 765041 Size: MF
(1)Crankshaft Sensor
(2)Engine Block
Figure 11:

Lower Front of the Engine Components (6.6L)
Object Number: 765039 Size: MF
(1)Camshaft Sensor
(2)Pulley
Figure 12:

Top Front of the Engine Components (6.6L)
Object Number: 765094 Size: MF
(1)ECT Sensor
(2)Engine (6.6L)
Figure 13:

RF of the Engine Components -- (6.6L)
Object Number: 776372 Size: MF
(1)Fuel Injector Control Module
Figure 14:

Fuel Pump (6.6L)
Object Number: 776392 Size: MF
(1)Fuel Pump
Figure 15:

Top of the Engine Components (6.6L)
Object Number: 776396 Size: MF
(1)Engine - 6.6L
(2)Fuel Regulator Assembly
Figure 16:

RF of the Engine Compartment Components (6.6L)
Object Number: 765091 Size: MF
(1)MAF / IAT Sensor
(2)Air Cleaner Assembly
Figure 17:

LF Radiator Support Components (6.6L)
Object Number: 776369 Size: MF
(1)ECM
(2)ECM Connectors
Figure 18:

Fuel Filter/Sensor (6.6L)
Object Number: 776388 Size: MF
(1)Fuel Filter/Heater Element Housing
(2)Fuel Filter
(3)Water-In-Fuel Sensor
Figure 19:

Injection System Components
Object Number: 798816 Size: MF
(1)Injector 5 Fuel Rail
(2)Injector 7 Fuel Rail
(3)Injectors 5 and 7 Harness
(4)Intake Air Heater
(5)Fuel Pressure Sensor
(6)Injectors 6 and 8 Harness
(7)Injector 8 Fuel Rail
(8)Injector 6 Fuel Rail
(9)Injector 4 Fuel Rail
(10)Injectors 2 and 4 Harness
(11)Injector 2 Fuel Rail
(12)Injectors 1 and 3 Harness
(13)Injector 1 Fuel Rail
(14)Injector 3 Fuel Rail