ENGINE COOLANT LEAKAGE INSPECTION [WLT-1, WLT-2]

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Warning
•  Removing the radiator cap while the engine is running, or when the engine and radiator are hot is dangerous. Scalding coolant and steam may shoot out and cause serious injury. It may also damage the engine and cooling system.
•  Turn off the engine and wait until it is cool. Even then, be very careful when removing the cap. Wrap a thick cloth around it and slowly turn it counterclockwise to the first stop. Step back while the pressure escapes.
•  When you're sure all the pressure is gone, press down on the cap still using the cloth, turn it, and remove it.

1.  Inspect the engine coolant level. (See ENGINE COOLANT LEVEL INSPECTION [WLT-1, WLT-2].)

2.  Remove the radiator cap.

3.  Clean the installation parts of the cooling system cap.

4.  Connect a radiator cap tester and the SST to the radiator filler neck.

5.  Apply pressure to the radiator.

Pressure
122 kPa {1.25 kgf/cm2, 17.7 psi}
Caution
•  Applying more than 122 kPa {1.25 kgf/cm2, 17.7 psi} can damage the hoses, fittings, and other components, and cause leakage.
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6.  Verify that the pressure is help. If not, inspect the system for coolant leakage.