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 MANUALSCHEVROLET2012CHEVY EXPRESS G2500, VAN PASSENGER, 4.8L ENG VIN AREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 996 (ENGINE CONTROLS AND FUEL - 4.8L, 5.3L, 6.0L, 6.2L, OR 7.0L - INTRODUCTION (2 OF 2))SPECIFICATIONSFASTENER TIGHTENING SPECIFICATIONS
2012 Chevrolet Chevy Express G2500, Van Passenger, 4.8L Eng VIN A
Fastener Tightening Specifications
2012 Chevrolet Chevy Express G2500, Van Passenger, 4.8L Eng VIN ASECTION Fastener Tightening Specifications
WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
| Application | Specifications | |
|---|---|---|
| Metric | English | |
| Accelerator Pedal Bolt | 9 N.m | 80 lb in |
| Air Cleaner Housing Screw | 3 N.m | 27 lb in |
| Air Cleaner Outlet Duct Clamp | 4 N.m | 35 lb in |
| Camshaft Position (CMP) Sensor Wire Harness Bolt | 12 N.m | 106 lb in |
| Crankshaft Position (CKP) Sensor Bolt | 25 N.m | 18 lb ft |
| Engine Coolant Temperature (ECT) Sensor | 20 N.m | 15 lb ft |
| Engine Wiring Harness Clip to Generator Bolt | 9 N.m | 80 lb in |
| Engine Wiring Harness Bracket Nut | 5 N.m | 44 lb in |
| Evaporative Emission (EVAP) Canister Nut | 20 N.m | 15 lb ft |
| Fuel/Evaporative Emission (EVAP) Line Bracket Bolt | 9 N.m | 80 lb in |
| Fuel/Evaporative Emission (EVAP) Line Clip Nut | 20 N.m | 15 lb ft |
| Fuel Pipe Bracket to Bellhousing Stud Nut | 25 N.m | 18 lb ft |
| Fuel Pressure Sensor | 15 N.m | 11 lb ft |
| Fuel Pump Flow Control Module Bolt | 9 N.m | 80 lb in |
| Fuel Rail Bolt | 10 N.m | 89 lb in |
| Fuel Rail Crossover Pipe Retainer Screw | 3.8 N.m | 34 lb in |
| Fuel Tank Fill Pipe Ground Wire Bolt | 9 N.m | 80 lb in |
| Fuel Tank Filler Housing to Body Screw | 2.3 N.m | 20 lb in |
| Fuel Tank Filler Housing to Fuel Tank Fill Pipe Bolt | 2.3 N.m | 20 lb in |
| Fuel Tank Fill Clamp | 2.5 N.m | 22 lb in |
| Fuel Tank Shield Bolt | 18 N.m | 13 lb ft |
| Fuel Tank Strap Bolt | 40 N.m | 30 lb ft |
| Heated Oxygen Sensor (HO2S) | 42 N.m | 31 lb ft |
| Ignition Coil Bolt | 10 N.m | 89 lb in |
| Knock Sensor (KS) Bolt | 25 N.m | 18 lb ft |
| Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor Adapter Clamp | 4 N.m | 35 lb in |
| Negative Battery Cable Stud | 25 N.m | 18 lb ft |
| Spare Tire Hoist Crossmember Bolt | 50 N.m | 37 lb ft |
| Spark Plug | 15 N.m | 11 lb ft |
| Throttle Body Bolt/Nut | 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.