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 MANUALSCHEVROLET1989STEP VAN P30, 3.9 L, AUTOMATIC, 400/M40REPAIR AND DIAGNOSISENGINE MECHANICALMECHANICAL6.2L V8 DIESEL - VINS [C,J]ENGINE SPECIFICATIONSGENERAL ENGINE SPECIFICATIONS
1989 Chevrolet Step Van P30, 3.9 L, Automatic, 400/M40
General Engine Specifications
1989 Chevrolet Step Van P30, 3.9 L, Automatic, 400/M40SECTION General Engine Specifications
GENERAL ENGINE SPECIFICATIONS (LIGHT DUTY)
| Application | In. (mm) | |
|---|---|---|
| Displacement | ||
| Cubic Inches | 378 | |
| Liters | 6.2 | |
| Fuel System | Diesel | |
| HP @ RPM | 130 @ 3600 | |
| Torque Ft. @ RPM | 240 @ 2000 | |
| Compression Ratio | 21.3:1 | |
| Bore | 3.98 (101) | |
| Stroke | 3.82 (973 | |
GENERAL ENGINE SPECIFICATIONS (HEAVY DUTY)
| Application | In. (mm) | |
|---|---|---|
| Displacement | ||
| Cubic Inches | 378 | |
| Liters | 6.2 | |
| Fuel System | Diesel | |
| HP @ RPM | 148 @ 3600 | |
| Torque Ft. @ RPM | 246 @ 2000 | |
| Compression Ratio | 21.3:1 | |
| Bore | 3.98 (101) | |
| Stroke | 3.82 (973 | |
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.