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.
2000 Chevrolet C3500 HD 6.5 F, AutomaticFACTORY OEM SERVICE PROCEDURE
Torque Specifications
Torque Specifications
| Application | Specification | |
| Metric | English | |
| Air Filter Screws | 2.8 N.m | 25 lb in |
| Boost (BARO) Sensor Mounting Bolts | 3.5 N.m | 27 lb in |
| Crankshaft Position Sensor Mounting Bolt | 25 N.m | 18 lb ft |
| Driven Gear to Injection Pump Bolts | 25 N.m | 18 lb ft |
| EGR Control Pressure/BARO Sensor | 3.5 N.m | 27 lb in |
| Engine Control Temperature Sensor | 25 N.m | 18 lb ft |
| Frame Mounted Bracket Nuts | 33 N.m | 25 lb ft |
| Fuel Feed Pipe and Suction Pipe to Fuel Pump | 30 N.m | 22 lb ft |
| Fuel Manager/Filter to Intake Manifold Bolts | 25 N.m | 18 lb ft |
| Fuel Tank Filter Neck Clamp | 2.5 N.m | 25 lb in |
| Fuel Tank Off-Road Shield Bolts | 35 N.m | 26 lb ft |
| Glow Plug Relay Mounting Bolt (California) | 22 N.m | 16 lb ft |
| Glow Plug Relay Battery Feed Nut (California) | 4.5 N.m | 40 lb ft |
| Glow Plug Relay Mounting Nuts (Federal) | 42 N.m | 31 lb ft |
| Glow Plug Relay Wiring Harness Nut (Federal) | 5 N.m | 44 lb ft |
| Injection Lines to Nozzle Fittings | 25 N.m | 18 lb ft |
| Injection Pump Flange Nuts | 40 N.m | 30 lb ft |
| Injection Nozzle | 70 N.m | 50 lb ft |
| Intake Air Temperature Sensor | 25 N.m | 18 lb ft |
| Upper Intake Manifold Cover Bolts | 11 N.m | 100 lb in |
| Water in Fuel Sensor Mounting Screws | 2 N.m | 13 lb in |
Factory Service Tools
Use the Manual With the Right Hardware
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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.
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