Valve Spring Dimensions And Valve Spring Pressure Load
WARNING: This page is about a different car, the 2006 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.
- Check the valve spring pressure at the specified spring height.
Standard:
Intake and exhaust
Free height: 50.58 mm (1.9913 in)
Installation height: 37.0 mm (1.457 in)
Installation pressure: 165.8 - 187.0 N (16.9 -
19.1 kg, 37- 42 lb)
Height during valve open: 28.2 mm (1.110 in)
Load with valve open: 314.8 - 355.0 N (32.1 -
36.2 kg, 71 - 80 lb)
- If measurement is not within specifications, replace the valve spring.