Motive Products 0104: Power Bleeder- pressure brake bleeder, 2 quart capacity, with 29mm threaded adapter (1104) for air-cooled VW i - Motive Products Power Bleeder kits use pressurized brake fluid to force air and old fluid out of your brake lines. Just pour clean fluid into the pressure tank, attach the Power Bleeder cap to your fluid reservoir, and pressurize the system using the built-in hand pump and pressure gauge. The kits are available for a variety of master cylinders.