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 MANUALSCHEVROLET2008CHEVY EXPRESS G2500, VAN CARGO, 6.6 6REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 46 (ENGINE CONTROL SYSTEM & COMPONENT TESTS - 4.3L)COMPONENT LOCATIONS
2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6
Component Locations
2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6SECTION Component Locations
WARNING: This page is about a different car, the 2003 GMC Savana and 2003 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
For component locations refer to COMPONENT LOCATIONS table or illustrations. See Fig 1-Fig 6
.
COMPONENT LOCATIONS
| Component | Location |
|---|---|
| A/C Compressor Clutch Relay | In Underhood Fuse/Relay Block |
| A/C High Pressure Cut-Off Switch | On Rear Of A/C Compressor |
| A/C Low Pressure Cut-Out Switch | In Low Pressure Refrigerant Line |
| Camshaft Position Sensor | Part Of Distributor, Top Rear Of Engine |
| Crankshaft Position Sensor | Behind Crankshaft Pulley |
| Cruise Control Module | Front Of Engine Compartment, Near Left Wheelwell |
| Data Link Connector | Under Left Side Of Instrument Panel |
| EGR Valve | Top Front Of Engine |
| Engine Coolant Temperature Sensor | Left Side Of Engine |
| Engine Oil Pressure Gauge Sensor | Top Rear Of Engine |
| EVAP Canister Purge Solenoid | Right Side Of Engine |
| EVAP Canister Vent Solenoid | Left Frame Rail, Near Fuel Tank |
| Fuel Injectors | On Intake Manifold |
| Fuel Pump Relay | In Underhood Fuse/Relay Block |
| Fuel Tank Pressure Sensor | In Fuel Tank |
| Heated Oxygen Sensor - Bank 1, Sensor 1 | In Exhaust Pipe, In Front Of Catalytic Converter |
| Heated Oxygen Sensor - Bank 1, Sensor 2 | In Exhaust Pipe, Rear Of Catalytic Converter |
| Heated Oxygen Sensor - Bank 2, Sensor 1 | In Exhaust Pipe, In Front Of Catalytic Converter |
| Idle Air Control Valve | Top Left Side Of Engine |
| Ignition Coil | Top Right Of Engine |
| Ignition Control Module | Top Right Side Of Engine |
| Intake Air Temperature Sensor | Part Of Air Intake Duct |
| Knock Sensor | Top Rear Of Engine |
| Manifold Absolute Pressure Sensor | Top Right Side Of Engine |
| Mass Airflow Sensor | Part Of Air Intake Duct |
| Throttle Position Sensor | Top Left Of Engine |
| Underhood Fuse/Relay Block | Left Rear Of Engine Compartment, On Wheelwell |
| Vehicle Control Module | Near Brake Master Cylinder, At Left Front Wheelwell |
| Vehicle Speed Sensor | Left Side Of Transmission |
| VSS Module | Behind Left Side Of Instrument Panel, Near Steering Column |
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.