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 MANUALSCHEVROLET1989HI-CUBE 5.7 K, 475/M40REPAIR AND DIAGNOSISENGINE MECHANICALMECHANICAL6.2L V8 DIESEL - VINS [C,J]ENGINE SPECIFICATIONSVALVE/VALVE SPRING SPECIFICATIONS
1989 Chevrolet Hi-Cube 5.7 K, 475/M40
Valve/Valve Spring Specifications
1989 Chevrolet Hi-Cube 5.7 K, 475/M40SECTION Valve/Valve Spring Specifications
VALVES & VALVE SPRINGS SPECIFICATIONS
| Application | In. (mm) | |
|---|---|---|
| Valves | ||
| Head Diameter | N/A | |
| Stem Diameter | N/A | |
| Face Angle | 45° | |
| Minimum Margin | N/A | |
| Maximum Refinish | N/A | |
| Valve Spring | ||
| Free Length | 1.981 (50.32) | |
| Out of Square | .0625 (1.59) | |
| Installed Height | 1.8 (46) | |
| Lbs. @ In. (Kg @ mm) | ||
| Pressure | ||
| Valve Closed | 80 @ 1.81 (356 @ 46) | |
| Valve Open | 230 @ 1.38 (1025 @ 35.3) | |
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.