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 G3500, VAN PASSENGER EXTENDEDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 4 (ENGINE CONTROL SYSTEM & FUEL SYSTEM - 4.3L - INTRODUCTION (2 OF 2))SPECIFICATIONSFASTENER TIGHTENING SPECIFICATIONS
2008 Chevrolet Chevy Express G3500, Van Passenger Extended
Fastener Tightening Specifications
2008 Chevrolet Chevy Express G3500, Van Passenger ExtendedSECTION Fastener Tightening Specifications
WARNING: This page is about a different variant/trim than selected.
| Application | Specification | |
|---|---|---|
| Metric | English | |
| Accelerator Pedal Bolt | 33 N.m | 24 lb ft |
| Air Cleaner Assembly Bolt | 11 N.m | 97 lb in |
| Air Cleaner Outlet Duct Clamp | 5 N.m | 44 lb in |
| Camshaft Position Sensor Bolt | 10 N.m | 89 lb in |
| Crankshaft Position Sensor Bolt | 10 N.m | 89 lb in |
| Engine Coolant Temperature (ECT) Sensor | 20 N.m | 15 lb ft |
| Evaporative Emission (EVAP) Canister Purge Solenoid Valve Bolt | 10 N.m | 89 lb in |
| Fuel/Evaporative Emission (EVAP) Pipe Assembly Bolt | 13 N.m | 115 lb in |
| Fuel Feed/Evaporative Emission (EVAP) Pipe Bracket to Bellhousing Stud Nut | 25 N.m | 18 lb ft |
| Fuel Fill Hose Clamp | 2.75 N.m | 24 lb in |
| Fuel Fill Tube Ground Strap Bolt | 8 N.m | 70 lb in |
| Fuel Pipe Bracket Bolt | 6 N.m | 53 lb in |
| Fuel Pipe Retainer Nut | 3 N.m | 27 lb in |
| Fuel Tank Fill Pipe to Housing Bolt | 4 N.m | 35 lb in |
| Fuel Tank Strap Bolt | 25 N.m | 18 lb ft |
| Heated Oxygen Sensor (HO2S) | 42 N.m | 31 lb ft |
| Ignition Coil Bolt | 12 N.m | 106 lb in |
| Ignition Coil Bracket Upper Bolt | 40 N.m | 30 lb ft |
| Ignition Coil Bracket Upper Bolt | 12 N.m | 106 lb in |
| Injector Retainer Lock Nut | 3 N.m | 27 lb in |
| Knock Sensor (KS) Bolt | 25 N.m | 18 lb ft |
| Mass Air Flow (MAF)/Intake Air Temperature Sensor Bolt | 9 N.m | 80 lb in |
| Manifold Absolute Pressure (MAP) Sensor Bolt | 10 N.m | 89 lb in |
| Spark Plug | 15 N.m | 11 lb ft |
| Throttle Body Bolt | 10 N.m | 89 lb in |
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.