OTC's No. 6698 Ford Axle Shaft Seal Installer is designed specifically for use on 2005 and newer Ford F-450 and F-550 4X4s with vacuum-actuated front axles. This tool correctly installs the seal onto the axle shaft and into the wheel knuckle, preventing front hub vacuum leaks that would cause the vacuum actuated front axle to not engage. Rugged construction ensures reliable long-term service. Value is at the core of the OTC tool and equipment portfolio. For a simple repair or the most complex drivability concern, these award-winning tools universally solve problems faster, and at better value, than any other product line available. Whether it's a specialty tool or unique piece of service equipment, OTC provides top solutions to modern automotive service challenges while increasing technicians' productivity and shop profits.