Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2013SILVERADO 2500 HD LT, 2D CAB CHASSIS, 6.6L ENG VIN 8, RWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 380 (ENGINE CONTROLS - 6.6L (LB7) (INTRODUCTION))COMPONENT LOCATORENGINE CONTROLS COMPONENT VIEWS
2013 Chevrolet Silverado 2500 HD LT, 2D Cab Chassis, 6.6L Eng VIN 8, RWD
Engine Controls Component Views
2013 Chevrolet Silverado 2500 HD LT, 2D Cab Chassis, 6.6L Eng VIN 8, RWDSECTION Engine Controls Component Views
WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
| Callout | Component Name |
|---|---|
| 1 | Inlines to Engine Harness Connectors-C107, C108 |
| 2 | Engine Glow Plug Relay |
| 3 | Glow Plug Harness |
| 4 | Engine |
| 5 | Generator Connector |
| 6 | A/C Compressor Clutch Connector |
| 7 | A/C High Pressure Switch Connector |
| Callout | Component Name |
|---|---|
| 1 | Radiator Surge Tank |
| 2 | A/C 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 |
| Callout | Component Name |
|---|---|
| 1 | BARO Sensor |
| 2 | Junction Block-Battery Cable |
| Callout | Component Name |
|---|---|
| 1 | Boost Sensor Bracket |
| 2 | Boost Sensor Connector |
| 3 | Boost Sensor |
| Callout | Component Name |
|---|---|
| 1 | Crankshaft Sensor |
| 2 | Engine Block |
| Callout | Component Name |
|---|---|
| 1 | Camshaft Sensor |
| 2 | Pulley |
| Callout | Component Name |
|---|---|
| 1 | ECT Sensor |
| 2 | Engine |
| Callout | Component Name |
|---|---|
| 1 | Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor |
| 2 | Air Cleaner Assembly |
| Callout | Component Name |
|---|---|
| 1 | Accelerator Pedal Position (APP) Sensor |
| 2 | Accelerator Pedal Position (APP) Connector |
| Callout | Component Name |
|---|---|
| 1 | Fuel Injector Control Module (FICM) |
| Callout | Component Name |
|---|---|
| 1 | Fuel Pump |
| Callout | Component Name |
|---|---|
| 1 | Engine Control Module (ECM) |
| 2 | Engine Control Module (ECM) Connectors |
| Callout | Component Name |
|---|---|
| 1 | Fuel Filter/Heater Element Housing |
| 2 | Fuel Filter |
| 3 | Water In Fuel Sensor |
| Callout | Component Name |
|---|---|
| 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 |
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.