Universal Parts Tire Valve Stem Insertion ToolUniversal Parts Tire Valve Stem Insertion and Removal Tool. Insertion Instructions: Before insertion, lubricate valve above base. Insert valve through rim hole and then screw the threaded end of tool onto the threaded end of the valve until the tool is snug. Using the edge of the rim as the leverage point, engage a groove on the tool handle in order to provide the best leverage. Depress handle with a smooth steady pressure until the base of the valve