Checking For Coolant Leaks

WARNING: This page is about a different car, the 2004 Infiniti I35. 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.

Fig 1: Checking Cooling System For Leaks

Courtesy of NISSAN MOTOR CO., U.S.A.

Testing pressure:

157 kPa (1.6 kg/cm ², 23 psi)

CAUTION: Higher than the specified pressure may cause radiator damage.

NOTE: In the case that engine coolant decreases, replenish radiator with engine coolant.