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 MANUALSSUBARU2005OUTBACK I, STANDARDREPAIR AND DIAGNOSISENGINE MECHANICALTIMING BELTENGINE MECHANICAL (H4SO)CYLINDER HEADINSPECTIONVALVE SPRING
2005 Subaru Outback i, Standard
Valve Spring
2005 Subaru Outback i, StandardSECTION Valve Spring
- Check the valve springs for damage, free length, and tension. Replace the valve spring if it is not within the standard value presented in the table.
- To measure the squareness of the valve spring, stand the spring on a surface plate and measure its deflection at the top of spring using a try square.
LENGTH AND TENSION REFERENCE
| Free length mm (in) | 54.30(2.1378) | |
|---|---|---|
| Tension/spring height N (kgf, lb)/mm (in) | Set | 214 - 246 (22 - 25, 48 - 55)/45.0 (1.772) |
| Lift | 526 - 582 (54 - 59, 119 - 130)/34.7 (1.366) | |
| Squareness | 2.5°, 2.4 mm (0.094 in) | |
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.