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.
1985 Chevrolet Step Van P30, 7.4 W, StandardFACTORY OEM SERVICE PROCEDURE
Torque Specifications
TORQUE SPECIFICATIONS
| Application | Ft. Lbs. (N.m) | |
|---|---|---|
| Fuel Line to: | ||
| Fuel Filter | 15-20 (20-27) | |
| Injection Pump | 18 (25) | |
| Injector Nozzle | 18 (27) | |
| Fuel Injector Nozzles | 52 (70) | |
| Injection Pump-to-Front Cover Nuts | 33 (45) | |
| Injection Pump Gear Attaching Bolts | 18 (25) | |
| Injection Pump Hydraulic Head Bolts | 15-18 (20-25) | |
| INCH Lbs. (N.m) | ||
| Glow Plugs | 97-142 (11-16) | |
| Injection Pump Guide Stud | 84 (9.5) | |
| Injection Pump Cover Bolts | 31 (3.5) | |
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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