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 MANUALSCHEVROLET2003MALIBU V6-3.1L VIN JREPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSENGINECYLINDER HEAD ASSEMBLYVALVE SPRING
2003 Chevrolet Malibu V6-3.1L VIN J
Valve Spring
2003 Chevrolet Malibu V6-3.1L VIN JSECTION Valve Spring
Valve Springs Free Length 48.5 mm (1.89 inch)
Valve Springs Load - Closed 320 N 43.2 mm (75 lb @ 1.701 in)
Valve Springs Load - Open 1036 N 32 mm (230 lb @ 1.260 in)
Installed Height Intake-Exhaust 43.2 mm (1.701 in)
Approximate Number of Coils 6.55
Valve Springs Load - Closed 320 N 43.2 mm (75 lb @ 1.701 in)
Valve Springs Load - Open 1036 N 32 mm (230 lb @ 1.260 in)
Installed Height Intake-Exhaust 43.2 mm (1.701 in)
Approximate Number 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.