Purchase Ford Crown Victoria Upper And Lower Ball Joint Kit. Order Ford Crown Victoria Upper Ball Joints & Ford Crown Victoria Ball Joints Replacement Cost. Maintaining the upper ball joints of your Ford Crown Victoria is crucial for a smooth and safe ride; regular lubrication and inspection can prevent premature wear. Look out for uneven tire wear, clunking noises, or erratic steering?these are telltale signs that your ball joints may require replacement. When choosing replacements, opt for premium or OEM-spec options which boast durability and precise engineering. Always consider materials that offer high wear resistance, and if you're installing them yourself, ensure the use of correct tools and alignment for optimal performance. Properly maintained upper ball joints not only extend the lifespan of your vehicle's suspension components but also enhance handling and ride comfort.