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 MANUALSCHEVROLET1983STEP VAN P20, 4.8 T, AUTOMATIC, 475/M40REPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE MECHANICALMECHANICAL5.7L V8 - VIN [M]TORQUE SPECIFICATIONS
1983 Chevrolet Step Van P20, 4.8 T, Automatic, 475/M40
Torque Specifications
1983 Chevrolet Step Van P20, 4.8 T, Automatic, 475/M40SECTION Torque Specifications
TORQUE SPECIFICATIONS
| Application | Ft. Lbs. (N.m) | ||||
|---|---|---|---|---|---|
| Camshaft Sprocket Bolts | 20 (27) | ||||
| Connecting Rod Nuts | 45 (61) | ||||
| Cylinder Head Bolts | (1) 65 (88) | ||||
| Exhaust Manifold Bolts | 20 (27) | ||||
| Flywheel-to-Crankshaft Bolts | 60 (81) | ||||
| Intake Manifold Bolts | (2) 30 (41) | ||||
| Main Bearing Cap Bolts | 70 (108) | ||||
| Oil Pump Bolt | 65 (88) | ||||
| Vibration Damper Bolt | 60 (81) | ||||
| Water Pump Bolts | 30 (41) | ||||
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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.