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 MANUALSCHEVROLET2001LUMINA V6-3.1L VIN JREPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSENGINECYLINDER HEAD ASSEMBLYVALVE SPRING
2001 Chevrolet Lumina V6-3.1L VIN J
Valve Spring
2001 Chevrolet Lumina V6-3.1L VIN JSECTION Valve Spring
| Valve Springs Free Length | 1.89 Inch (in) |
| Valve Springs Load (Closed) | 75 Pound-Force (lbf) @ 1.701 inch |
| Valve Springs Load (Open) | 230 Pound-Force (lbf) @ 1.260 inch |
| Installed Height Intake-Exhaust | 1.701 Inch (in) |
| Approximate # of coils | 6.55 |
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.