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 MANUALSCHEVROLET2001SUBURBAN C1500REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 10 (ENGINE CONTROLS - 8.1L - SPECIFICATIONS)SPECIFICATIONSGM SPO GROUP NUMBERS
2001 Chevrolet Suburban C1500
GM SPO Group Numbers
2001 Chevrolet Suburban C1500SECTION GM SPO Group Numbers
WARNING: This page is about a different variant/trim than selected.
GM SPO Group Numbers
| Application | GM SPO Group Number |
|---|---|
| Accelerator Pedal | 3.451 |
| Air Cleaner Assembly | 3.402 |
| Air Filter | 3.410 |
| Camshaft Position (CMP) Sensor | 2.383 |
| Crankshaft Position (CKP) Sensor | 2.383 |
| Engine Coolant Level Switch | 1.203 |
| Engine Coolant Temperature (ECT) Sensor | 3.682 |
| Engine Oil Level Sensor | 1.516 |
| Engine Oil Pressure Sensor | 1.800 |
| EVAP Canister | 3.130 |
| EVAP Fuel Tank Pressure Sensor | 3.140 |
| EVAP Hoses and Pipes | 3.145 |
| EVAP Purge Solenoid | 3.140 |
| EVAP Vent Valve | 3.140 |
| Exhaust Gas Recirculation (EGR) Valve | 3.670 |
| Fuel Hoses and Pipes | 3.163 |
| Fuel Injectors | 3.300 |
| Fuel Pump | 3.900 |
| Fuel Pump Relay | 3.900 |
| Fuel Rail Assembly | 3.330 |
| Fuel Sender | 3.107 |
| Fuel Tank | 3.001 |
| Fuel Tank Straps | 3.022 |
| Heated Oxygen Sensor | 3.682 |
| Ignition Coil | 2.170 |
| Inline Fuel Filter | 3.890 |
| Intake Air Duct | 3.417 |
| Intake Air Temperature (IAT) Sensor | 3.682 |
| Knock Sensors | 2.383 |
| Manifold Absolute Pressure (MAP) Sensor | 3.682 |
| Mass Air Flow (MAF) Sensor | 3.682 |
| Positive Crankcase Vent Valve | 1.745 |
| Powertrain Control Module (PCM) | 3.670 |
| Secondary Air Injection Hoses/Pipes and Check Valves | 3.670-3.675 |
| Secondary Air Injection Pump | 3.660 |
| Secondary Air Injection Pump Relay | 3.682 |
| Secondary Air Injection Solenoid | 3.670 |
| Secondary Air Injection Shut Off Valve | 3.670 |
| Throttle Body Assembly | 3.335 |
| Throttle Position (TP) Sensor | 3.339 |
| Vehicle Speed (VSS) Sensor | 3.682 |
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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.