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OTC Cooling System Refilling Guns

OTC cooling system refilling guns can eliminate airlocks during cooling system refilling—as well as the need for system bleeding. The small and large rubber cones suit both passenger and commercial vehicles with no additional adapters needed. Simply attach the cooling system refilling gun to your shop air supply, then insert the nozzle into the cooling system—like the opening on a radiator—and establish vacuum. Insert the hose into your new coolant reservoir and switch the device to vacuum. It will pull air out of the coolant system while new coolant is added. Avoid wasting time finding a pocket of trapped air that can cause cooling system failures and inaccurate sensor readings! These guns are packaged in a convenient blow-molded storage case and are covered by OTC's lifetime warranty.

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