1. Wait for the engine to cool, then carefully remove the radiator cap and add coolant to the radiator to the base of the filler neck.
2. Connect pressure tester A (commercially available) to the radiator. Use small adapter H-901122-09 V (commercially available) for connecting a pressure tester.
Apply a pressure of 93-123 kPa.
4. Check for coolant leaks and pressure drop.
5. Remove the tester and reinstall the radiator cap.
6. Check that there is no oil in the coolant and no coolant in the oil.