Checking Cooling System For Coolant Leaks
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.
To check for leakage, apply pressure to the cooling system with a tester.
Testing pressure: 157 kPa (1.6 kg/cm 2
, 23 psi)
CAUTION:
Higher pressure than specified may cause radiator damage.
Courtesy of NISSAN MOTOR CO., U.S.A.