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 MANUALSCHEVROLET1997CHEVY EXPRESS G3500, VAN CARGO, 6.5 FREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 107 (ENGINE CONTROLS - SYSTEM & COMPONENT TESTING - 4.3L)COMPONENT LOCATIONS
1997 Chevrolet Chevy Express G3500, Van Cargo, 6.5 F
Component Locations
1997 Chevrolet Chevy Express G3500, Van Cargo, 6.5 FSECTION Component Locations
WARNING: This page is about a different car, the 1998 GMC Savana, 1998 Chevrolet Chevy Van, and 1998 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Component location illustrations are not available at time of publication.
COMPONENT LOCATIONS (VIN W)
| Component | Location |
|---|---|
| A/C Compressor Enable Relay | In Power Distribution Box, Left Front Of Engine Compartment |
| 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 (CMP) Sensor | In Distributor |
| Crankshaft Position (CKP) Sensor | Lower Right Front Of Engine, Near Crankshaft |
| Cruise Control Module | Front Of Engine Compartment, Near Left Wheelwell |
| Data Link Connector (DLC) | Under Left Side Of Instrument Panel |
| Distributor | Top Of Engine, Near Bulkhead |
| EGR Valve | Top Front Of Engine, Near A/C Compressor |
| Engine Coolant Temperature (ECT) Sensor | Left Side Of Engine, Near Thermostat Housing |
| EVAP Canister Purge Solenoid | Right Side Of Engine, Near MAP Sensor |
| EVAP Canister Vent Valve | Right Side Of Engine |
| Fuel Injectors | On Intake Manifold |
| Fuel Pump Oil Pressure Switch | Rear Center Of Engine, Behind Distributor |
| Fuel Pump Relay | In Power Distribution Box To Left Front Of Engine Compartment |
| Idle Air Control (IAC) Valve | Top Left Side Of Engine |
| Ignition Coil | Top Right Side Of Engine |
| Ignition Control Module | Top Right Side Of Engine |
| Intake Air Temperature (IAT) Sensor | In Air Intake Duct |
| Knock Sensor | Top Rear Of Engine, Near Fuel Pump Oil Pressure Switch |
| Manifold Absolute Pressure (MAP) Sensor | Top Center Of Intake Manifold, Near Throttle Body |
| Mass Airflow (MAF) Sensor | On Air Intake Duct, Near Air Filter |
| Oxygen Sensors | In Exhaust In Front & Rear Of Catalytic Converter |
| Power Distribution box | Left Rear Of Engine Compartment, On Wheelwell |
| Power Steering Control Module | Under Center Of Instrument Panel |
| Throttle Position (TP) Sensor | On Side Of Throttle Body |
| Vehicle Control Module (VCM) | In Engine Compartment, Near Master Cylinder, At Left Front Wheelwell |
| Vehicle Speed Sensor | Behind Left Side Of Instrument Panel, Near Steering Column |
RENDER: 1.0x
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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.