• The 6976 Cooling System Refilling Gun can eliminate airlocks during cooling system refilling and eliminates the need for system bleeding • Small and large rubber cones suit both passenger and commercial vehicles with no additional adapters needed • 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 hose into your new coolant reservoir and switch 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 • Packaged in a convenient blow molded storage case • Covered by OTC's Lifetime Warranty
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