Pressure Test

1. Make sure the engine is cool before performing the test.
2. Connect Rotunda Cooling System Adapter 014-R1071 to the Rotunda Radiator/Heater Core Pressure Tester 014-R1072 or equivalent, using the quick disconnect fitting.
3. Connect the filler neck adapter to the radiator cap pressure test adapter.
4. Connect the adapter to the radiator filler neck.
5. Pressurize the system to 123 kPa (17.8 psi).

CAUTION: Do not pressurize the system above the given specification.

6. Observe the pressure gauge for approximately two minutes.
7. Release the system pressure by depressing the relief valve on the underside of the tester.
8. If the system does not hold pressure, check for leaks at all external cooling system connections. If no external leaks are present, check the engine oil for coolant contamination.