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 MANUALSCHEVROLET2002EXPRESS 1 TON VAN V8-8.1L VIN GREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSSPECIFICATIONSMECHANICAL SPECIFICATIONS
2002 Chevrolet Express 1 Ton Van V8-8.1L VIN G
Mechanical Specifications
2002 Chevrolet Express 1 Ton Van V8-8.1L VIN GSECTION Mechanical Specifications
Fastener Tightening Specifications
| AIR Pipe To Exhaust Manifold Bolts | 25 N.m |
| Accelerator Pedal Mounting Bolts | 5 N.m |
| Air Cleaner Assembly Bolts | 18 N.m |
| Camshaft Position (CMP) Sensor Bolt | 10 N.m |
| Crankshaft Position (CKP) Sensor Bolt | 12 N.m |
| EGR Pipe Bolts to EGR Valve | 30 N.m |
| EGR Valve Bolts | 25 N.m |
| EGR Valve Pipe to Cylinder Head Bolt | 50 N.m |
| EGR Valve Pipe Nut to Exhaust Manifold | 30 N.m |
| Engine Coolant Temperature (ECT) Sensor | 20 N.m |
| Engine Sight Shield Bolts | 10 N.m |
| Engine Sight Shield Bracket Bolts | 10 N.m |
| Exhaust Gas Recirculation (EGR) Valve Nuts | 30 N.m |
| Evaporative Emission (EVAP) Canister Bracket Mounting Bolts | 12 N.m |
| Evaporative Emission (EVAP) Purge Solenoid Shoulder Bolts | 10.5 N.m |
| Evaporative Emission (EVAP) Purge Valve Retainging Bolt | 10 N.m |
| Fuel Fill Hose Clamp | 2.75 N.m |
| Fuel Fill Pipe Ground Strap Bolt | 9 N.m |
| Fuel FIll Pipe Housing to Fill Pipe Bolts | 2.3 N.m |
| Fuel FIlter Fitting | 30 N.m |
| Fuel Injection Sight SHield Retaining Bolt | 10 N.m |
| Fuel Pipe Retaining Clip Bolt | 12 N.m |
| Fuel Pipe Retaining Clip Nut | 28 N.m |
| Fuel Rail Attaching Bolts | 12 N.m |
| Fuel Tank Strap Bolts | 20.5 N.m |
| Heated Oxygen Sensor (HO2S) | 41 N.m |
| Ignition Coil Attaching Bolts | 12 N.m |
| Knock Sensor (KS) | 19 N.m |
| Manifold absolute presssure (MAP) Sensor Retaining bolt | 12 N.m |
| Mass Air Flow (MAF) Sensor Clamp | 4 N.m |
| Powertrain Control Module (PCM) COnnector End Bolts | 8 N.m |
| Secondary Air Injection (AIR) Crossover Pipe Bracket Fastener | 50 N.m |
| Secondary Air Injection (AIR) Manifold Pipe Fastener | 12 N.m |
| Secondary Air Injection (AIR) Pump and Bracket Assembly Fasteners | 10 N.m |
| Throttle Actuator Control (TAC) Retaining Fastener | 3 N.m |
| Throttle Body Attaching Bolts | 10 N.m |
| Uppe Engine Wire Harness Bracket Nut | 10 N.m |
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.