Effortlessly diagnose cooling system issues and streamline coolant changes with Astro Tools 78584 Universal Radiator Pressure Tester & Vacuum Type Cooling System Kit. This comprehensive kit is designed to allow for easy leakage testing of cooling systems and quick changing of coolant, making it suitable for a wide range of import and domestic vehicles. Its intelligently color-coded radiator test caps simplify the selection process, while the specially designed vacuum purge and refill tool connection fits nearly all types of radiators, ensuring a secure and efficient operation every time. Upgrade your workshop capabilities with the Astro Tools 78584 Kit – the smart solution for all your cooling system needs!