Valve Springs

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

Check each valve spring for damage or deformation. Also measure free length and outer diameter.
Inspection standard : Refer to "Control Valves ".
Replace valve springs if deformed or fatigued.

Fig 1: Inspecting Valve Springs
Courtesy of NISSAN MOTOR CO., U.S.A.