Murano FWD V6-3.5L (VQ35) (2004)
Radiator Cap: Testing and Inspection
Checking Radiator Cap
1. Pull the negative-pressure valve to open it and check that it closes completely when released.
^
Check that there is no dirt or damage on the valve seat of the radiator cap negative-pressure valve.
^
Check that there are no unusualness in the opening and closing conditions of the negative-pressure valve.
2. Check radiator cap relief pressure.
Standard: 78 - 98 kPa (0.8 - 1.0 kg/cm2, 11 - 14 psi)
Limit: 59 kPa (0.6 kg/cm2, 9 psi)
^
When connecting the radiator cap to the tester, apply engine coolant to the cap seal surface.
^
Replace the radiator cap if there is an unusualness in the negative-pressure valve, or if the open-valve pressure is outside of the limit.