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 MANUALSCHEVROLET2002SILVERADO 1500 HD, RWDREPAIR AND DIAGNOSISENGINE PERFORMANCESYSTEMENGINE CONTROLS - SYSTEM & COMPONENT TESTINGCOMPONENT LOCATIONS6.5L (VIN F) "G" SERIES
2002 Chevrolet Silverado 1500 HD, RWD
6.5L (VIN F) "G" Series
2002 Chevrolet Silverado 1500 HD, RWDSECTION 6.5L (VIN F) "G" Series
COMPONENT LOCATIONS 6.5L (VIN F) "G" SERIES
| 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-Off Switch | In Low Pressure Refrigerant Line |
| Accelerator Pedal Position Module | Attached To Accelerator Pedal |
| Boost Pressure Sensor | Top Of Engine |
| Crankshaft Position (CKP) Sensor | Lower Left Front Of Engine, Near Crankshaft Pulley |
| Data Link Connector (DLC) | Under Left Side Of Instrument Panel |
| Engine Coolant Temperature (ECT) Sensor | Top Front Of Engine |
| Engine Oil Pressure Gauge Sensor | Top Rear Of Engine |
| Engine Shutoff Solenoid | Top Right Side Of Engine |
| Fuel Pump Relay | In Underhood Fuse/Relay Block |
| Fuel Solenoid | Rear Of Fuel Injection Pump |
| Fuel Solenoid Driver | Top Right Side Of Engine |
| Glow Plug Relay | Top Right Side Of Engine |
| Intake Air Temperature (IAT) Sensor | Top Right Side Of Engine |
| Optical Fuel Temperature Sensor | Top Of Engine |
| Powertrain Control Module (PCM) | Behind Center Of Instrument Panel |
| Underhood Fuse/Relay Block | In Engine Compartment, On Left Fender |
| Vehicle Speed Sensor | Left Side Of Transmission |
| Vehicle Speed Sensor Buffer | Below Glove Box |
| Wastegate Solenoid | Top Right Of Engine |
| Water-In-Fuel Sensor | Left Frame Rail, Near Center Of Vehicle |
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.