UView 550000 Airlift Cooling System Leak Checker and Airlock Purge Tool Kit Airlift eliminates problematic airlocks in today's automobile cooling systems Utilizing shop air, the technician can perform a leak test, eliminate airlocks and refill the entire system including the heater core in less than two minutes OEM approved Minimum shop air requirement:90 psi/60 bar Airlift eliminates problematic airlocks in today's automobile cooling systems Utilizing shop air, the technician can perform a leak test, eliminate airlocks and refill the entire system including the heater core in less than two minutes OEM approved. Works on: Cars, Trucks &amp; Off Road Vehicles