Checking Cooling System For Coolant Leaks
WARNING: This page is about a different car, the 2003 Nissan Pathfinder. 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 than the specified pressure may cause radiator damage.
Courtesy of NISSAN MOTOR CO., U.S.A.