COOLING SYSTEM PRESSURE TESTER, REFILLER, RETAINER MPT333 | eBaydiy Tools

Cooling system Pressure Tester, Coolant Retainer and Coolant Refiller all in one
You can change a cooling system component on a vehicle, check your repair by pressure testing and add coolant or refill the cooling system just by turning valves
No parts to lose and no buttons to hold
Requires cooling system adapters and shop air to function
Tool creates pressure to pressure test a cooling system
Alternately, by turning a valve a vacuum can be created to refill a cooling system with coolant
Tool can also create sufficient vacuum flow to retain the coolant in the cooling system while changing a component (like a freeze plug or temperature sensor) such that draining the coolant is not necessary