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 MANUALSSUBARU1990XT-6 4WD L6-2.7L SOHCREPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSENGINECYLINDER HEAD ASSEMBLYVALVE SPRING
1990 Subaru XT-6 4WD L6-2.7L SOHC
Valve Spring
1990 Subaru XT-6 4WD L6-2.7L SOHCSECTION Valve Spring
Valve Spring Dimensions
| Free Length | Inner | 1.980 Inch (in) |
| Outer | 2.035 Inch (in) | |
| Seated Pressure | Inner | 19.8-22.7 at 1.516 Pound Force At Inch (lbf @ in) |
| Outer | 39.9-45.9 at 1.634 Pound Force At Inch (lbf @ in) | |
| Compressed Pressure | Inner | 45.2-51.8 at 1.122 Pound Force At Inch (lbf @ in) |
| Outer | 100.5-115.5 at 1.240 Pound Force At Inch (lbf @ in) | |
| Out Of Square Limit | Inner | 0.059 Inch (in) |
| Outer | 0.063 Inch (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.