Valve Springs

WARNING: This page is about a different car, the 2002 Nissan Sentra. 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.

Fig 1: Identifying Valve Springs Free Length
Courtesy of NISSAN MOTOR CO., U.S.A.

Inspection standard: Refer to CONTROL VALVE AND PLUG RETURN SPRINGS .
Replace valve springs if deformed or fatigued.