Locate Ford Explorer Sport Trac Lower Control Arm Ball Joint & Ford Explorer Sport Trac Suspension Ball Joint. Find Ford Explorer Sport Trac Lower Ball Joint. Maintaining the lower ball joints of your Ford Explorer Sport Trac is crucial for a smooth ride and precise handling. Regular lubrication and inspection for wear or tear can significantly extend their lifespan. Be alert for symptoms like uneven tire wear, clunking noises, or a wandering steering wheel, which signal the need for replacement. When selecting new lower ball joints, opt for high-quality, durable materials that offer enhanced resistance to corrosion and impact. Choose between greasable or sealed units for tailored maintenance needs, ensuring a perfect fit for your model to guarantee optimal performance and safety. Installation should be precise; consider professional fitting to ensure alignment and balance are not compromised.