Valve Spring
WARNING: This page is about a different car, the 2013 Subaru Forester. However, it is still accessible from the selected car via links, so may be relevant.
- 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 valve spring on a surface plate and measure its deflection at the top of valve spring using a right angle gauge.
Free length mm (in) 47.32 (1.863) Tension/spring height
N (kgf, lb)/mm (in)Set 205 - 235 (20.9 - 24.0, 46.1 - 52.8)/36.0 (1.417) Lift 426 - 490 (43.4 - 50.0, 95.8 - 110)/26.50 (1.041) Squareness 2.5°, 2.1 mm (0.083 in) or less