• When removing the radiator cap, wait at least ten minutes after the engine has stopped and cooled down.
Otherwise, hot water may gush out, scalding nearby people.
9Y1211156ENS0012US0
Radiator Cap Air Leakage
1. Set a radiator tester (1) and adaptor (2) on the radiator cap.
2. Apply the specified pressure 88 kPa (0.89 kgf/cm
2
, 12 psi), and
measure the time for the pressure to fall to 59 kPa (0.61 kgf/cm
2
,
8.6 psi).
3. If the measurement is less than the factory specification,
replace the radiator cap.
9Y1211156ENS0013US0
Radiator Water Leakage
1. Pour a specified amount of water into the radiator.
2. Set a radiator tester (1) and an adaptor (2) and raise the water
pressure to the specified pressure.
3. Check the radiator for water leaks.
4. For water leak from the pinhole, repair with the radiator cement.
When water leak is excessive, replace the radiator.
9Y1211156ENS0014US0
Pressure falling time Factory specification
More than 10 seconds for
pressure fall from
88 to 59 kPa
(from 0.89 to 0.61 kgf/cm
2
,
from 12 to 8.6 psi)
(1) Radiator Tester (2) Adaptor
Radiator water leakage
test pressure
Factory specification
137 kPa
1.4 kgf/cm
2
20 psi
(1) Radiator Tester (2) Adaptor
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