COOLING(H4DOTC DIESEL) > Radiator
1. Remove the radiator cap, fill the radiator with engine coolant, and then install the radiator cap tester to the installation position of cap.
2. Apply a pressure of 122 kPa (1.2 kgf/cm2, 18 psi) to the radiator, and check the following items.
• Leakage from the radiator or its vicinity
• Leakage from the hose or its connections
CAUTION:
• Engine should be turned off.
• Wipe engine coolant from check points in advance.
• Be careful of the spurt of engine coolant when removing the radiator cap tester.
• Be careful not to deform the filler neck of radiator when installing and removing the radiator cap tester.