Checking Reservoir Cap

WARNING: This page is about a different car, the 2005 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.

Check reservoir cap relief pressure using suitable tool.

Fig 1: Checking Reservoir Cap Relief Pressure
Courtesy of NISSAN MOTOR CO., U.S.A.
1. Tool number: EG17650301 (J-33984-A)
2. Standard: 95-125 kPa (0.97 - 1.28 kg/cm ² , 14-18 psi)
NOTE: Apply engine coolant to the cap seal.
Replace the reservoir cap if there is any damage in the negative-pressure valve, or if the open-valve pressure is outside of the limit.