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 MANUALSCHEVROLET2001CHEVY EXPRESS G2500, VAN CARGO EXTENDED, 5.7 R, L31/KL8REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 72 (ENGINE CONTROL SYSTEM TESTING & ENGINE COMPONENT TESTING)COMPONENT LOCATIONSCOMPONENT LOCATIONS (3.1L VIN J - CENTURY)
2001 Chevrolet Chevy Express G2500, Van Cargo Extended, 5.7 R, L31/KL8
Component Locations (3.1L VIN J - Century)
2001 Chevrolet Chevy Express G2500, Van Cargo Extended, 5.7 R, L31/KL8SECTION Component Locations (3.1L VIN J - Century)
WARNING: This page does not describe the selected car, but rather 31 other vehicles, including the 2002 Saturn SL2, 2002 Saturn SL1, 2002 Saturn SL, 2002 Saturn SC2, and 2002 Saturn SC1. However, it is still accessible from the selected car via links, so may be relevant.
COMPONENT LOCATIONS (3.1L VIN J - CENTURY)
| Component | Location |
|---|---|
| A/C Refrigerant Pressure Sensor | Left Side Of Engine Compartment, On Liquid Line |
| Camshaft Position Sensor | Right Side Of Engine, Below Intake Plenum |
| Crankshaft Position Sensor (7X) | Right Side Of Engine, Below Exhaust Manifold |
| Crankshaft Position Sensor (24X) | Right Front Side Of Engine, Behind Harmonic Balancer |
| Cruise Control Module | Left Side Of Engine Compartment, Mounted To Strut Tower |
| Data Link Connector | Under Left Side Of Instrument Panel, Right Of Steering Column |
| EGR Valve | Upper Left Side Of Engine, Near Throttle Body |
| Engine Coolant Temperature Sensor | Top Left Side Of Engine, Below Throttle Body |
| Engine Oil Level Switch | In Oil Pan, Lower Front Center |
| Engine Oil Pressure Switch | Front Of Engine, Above Starter |
| EVAP Canister Purge Solenoid | Top Rear Of Engine, Behind Ignition Control Module |
| EVAP Canister Vent Solenoid | Behind Left Rear Fascia Splash Shield, In Wheelwell |
| Fuel Injectors | In Intake Manifold |
| Fuse Block | Right Side Of Instrument Panel, In Door Opening |
| Idle Air Control Valve | On Throttle Body |
| Ignition Control Module | Top Rear Of Engine |
| Intake Air Temperature Sensor | Left Front Of Engine Compartment, On Air Intake Duct |
| Knock Sensor (Bank No. 1) | Front Of Engine, Above Starter |
| Manifold Absolute Pressure Sensor | Top Rear Of Engine |
| Mass Airflow Sensor | Left Front Of Engine, In Air Intake Duct |
| Post-Converter Oxygen Sensor | Rear Of Catalytic Converter |
| Powertrain Control Module | Left Side Of Engine, In Air Cleaner Assembly |
| Pre-Converter Oxygen Sensor | Behind Center Of Engine, In Exhaust Manifold |
| Throttle Position Sensor | On Throttle Body |
| Transaxle Range Switch | Left Of Engine, On Transaxle |
| Underhood Junction Block | Right Side Of Engine Compartment, Mounted To Strut Tower |
| Vehicle Speed Sensor | Lower Right Side Of Engine Compartment, On Transaxle |
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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.