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 MANUALSCHEVROLET1999LUMINA V6-3.8L VIN KREPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSENGINECYLINDER HEAD ASSEMBLYVALVE SPRING
1999 Chevrolet Lumina V6-3.8L VIN K
Valve Spring
1999 Chevrolet Lumina V6-3.8L VIN KSECTION Valve Spring
| Free Length | 1.960 Inch (in) |
| Load-Closed | 75 at 1.72 Pound Force At Inch (lbf @ in) |
| Load-Open | 228 at 1.277 Pound Force At Inch (lbf @ in) |
| Installed Height | 1.690-1.720 Inch (in) |
| Approximate Number of Active Coils | 4.48 |
| Approximate Number of Total Coils | 6.60 |
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.