Oil Cooler Relief Valve Spring

WARNING: This page is about a different car, the 2003 Nissan Altima. However, it is still accessible from the selected car via links, so may be relevant.

Check springs for damage or deformation.
Measure free length and outer diameter.
Inspection standard : Refer to " CONTROL VALVES ".

Fig 1: Identifying Outer Diameter And Length Of Oil Cooler Relief Valve Spring
Courtesy of NISSAN MOTOR CO., U.S.A.