Valve Spring: Pressure

WARNING: This page is about a different car, the 2004 Nissan Sentra. However, it is still accessible from the selected car via links, so may be relevant.

Check valve spring pressure at specified spring height.

Fig 1: Checking Valve Spring Pressure At Specified Spring Height

Courtesy of NISSAN MOTOR CO., U.S.A.

Valve spring pressure
1. Standard : 370.0 N (37.73 kg, 83.19 lb) at 23.64 mm (0.9307 in)
2. Limit : More than 347.8 N (35.46 kg, 78.19 lb) at 23.64 mm (0.9307 in)

If not within specification, replace the spring.