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 1803 (ELECTRICAL COMPONENT LOCATOR - POWERTRAIN COMPONENT VIEWS)POWERTRAIN COMPONENT VIEWSIDENTIFYING ENGINE COMPONENTS (REAR) (LFA/HP2)
2013 Chevrolet Silverado 2500 HD LT, 2D Cab Chassis, 6.6L Eng VIN 8, RWD
Identifying Engine Components (Rear) (LFA/HP2)
2013 Chevrolet Silverado 2500 HD LT, 2D Cab Chassis, 6.6L Eng VIN 8, RWDSECTION Identifying Engine Components (Rear) (LFA/HP2)
WARNING: This page is about a different car, the 2011 GMC Sierra, 2011 GMC Cab & Chassis Sierra, 2011 Chevrolet Silverado, and 2011 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Identifying Engine Components (Rear) (LFA/HP2)
| Component Name | Callout |
|---|---|
| Output Speed Sensor (OSS) (M99) | 1 |
| Heated Oxygen Sensor (HO2S) - Bank 2 Sensor 1 | 2 |
| Heated Oxygen Sensor (HO2S) - Bank 2 Sensor 2 | 3 |
| Transmission Power Inverter Module (3 Phase) Cable Cover | 4 |
| Heated Oxygen Sensor (HO2S) - Bank 1 Sensor 2 | 5 |
| Heated Oxygen Sensor (HO2S) - Bank 1 Sensor 1 | 6 |
RENDER: 1.0x
NO RELATED
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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.