This “Radiator Pressure Tester And Vacuum Type Cooling System Kit” allows easy testing for leakage in radiator system and quick change of coolant. Its color coded radiator test caps make it easy to choose the suitable test cap for the job. The set includes: pressure testing pump with hose, quick coupler with pressure release, and gauge: test range 0 - 35 psi (0 - 2.5 bar), (1) blue and (1) black radiator cap test adapters to test for original radiator cap leakage, (17) test caps for testing cooling systems on most domestic and import vehicles, vacuum type cooling system purge and refill tool kit for quick change of coolant, universal adapter and temperature gauge.