10. Check For Coolant Leak

WARNING: This page is about a different car, the 2004 Infiniti M45. However, it is still accessible from the selected car via links, so may be relevant.

Apply pressure to the cooling system with a tester, and check if the pressure drops.

Fig 1: Applying Pressure To Cooling System

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. Pressure should not drop.

OK or NG

OK: GO TO 12. CHECK RADIATOR CAP .
NG: GO TO 11.