Nissan and Datsun Workshop Service and Repair Manuals

Radiator Cap: Specifications

Cap Relief Pressure

Standard  ....................................................................................................................................................................................  78 - 98 kPa (11 - 14 psi) 
Limit  ............................................................................................................................................................................................  59 - 98 kPa (9 - 14 psi) 

Leakage Test Pressure  ................................................................................................................................................................................  157 kPa (23 psi)