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Cooling System Purge And Coolant Refill
Pneumatic vacuum coolant filler first sucks and forms a vacuum on the cooling system by using shop air, then draws coolant into the cooling system. (Need vacuum pump and not included in the kit) Add coolant in vacuum, there is no large air pocket and avoid warping or other damage in engine. Normally, it takes 5-10mins to refill the coolant, the exact time depends on the size of the tank. Easy to operate and save time.