Ford 2L1Z-3050-A Joint Assembly - Ball

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Inspect the upper and lower balljoints for looseness whenever the vehicle is raised for any reason. You can check the balljoints with the suspension assembled by raising the vehicle and supporting it securely on jackstands. Wipe the balljoints clean and inspect the seals for cuts and tears. If a balljoint seal is damaged, replace the balljoint. To check the upper balljoint, grab the upper control arm near the balljoint and attempt to move the arm up and down. Any noticeable play between the upper control arm and the steering knuckle indicates the need to replace the upper balljoint. To check the lower balljoint, attempt to move the wheel up and down while checking for play between the lower control arm and the steering knuckle. Any noticeable play indicates the need to replace the balljoint. The balljoints on these models are not serviceable. If the balljoint must be replaced, the control arm and balljoint must be replaced as a single assembly.

For lower ball joints, position a dial indicator against the wheel rim and insert a pry bar between the lower control arm and the steering knuckle. As you lever the pry bar, the needle on the dial indicator should not deflect more than 0.125-inch. If it does, the lower ball joint is faulty and should be replaced.

Inspect the control arm balljoints for looseness anytime either of them is separated from the steering knuckle. Check if you can turn the ballstud in its socket with your fingers. If the balljoint is loose, or if the ballstud can be turned, replace the balljoint. You can also check the balljoints with the suspension assembled. If the vehicle is equipped with air suspension, turn off the air suspension system. The switch is located in the area of the right kick panel. Loosen the wheel lug nuts, raise the front of the vehicle and support it securely on jackstands. Remove the wheels. Place a floor jack under the lower control arm as close to each balljoint as possible and raise it slightly. For upper balljoints, position a dial indicator against the wheel rim, grasp the top and bottom of the tire and "rock" the tire, alternately pushing the top and pulling the bottom, and vice versa. The dial indicator should indicate no more than 0.125-inch deflection. If the indicated reading exceeds this figure, the balljoint is faulty and should be replaced. For lower balljoints, position a dial indicator against the wheel rim and insert a prybar between the lower control arm and the steering knuckle. As you lever the prybar, the needle should not deflect more than 0.125-inch. If it does, the balljoint is faulty and should be replaced. Balljoint replacement, on these models, has evolved from replacing the balljoints and control arms to replacing the balljoint individually; this is due to the availability of balljoints from aftermarket suppliers. As a result, it may be possible for you to replace an individual balljoint on your specific year and model vehicle although the manufacturer has not addressed the procedure for your specific vehicle. Check with your local auto parts store for availability on replacement balljoints for your vehicle. A special balljoint removal/installer tool is necessary and can usually be obtained from an auto parts store or tool rental business. Detach the steering knuckle from the control arm. Remove the snap ring for the balljoint and discard it. Place the special balljoint removal tool and the balljoint according to the tool manufacturer's instructions, then remove the balljoint. Using the special balljoint installer tool, install the balljoint. Be careful not to damage the rubber balljoint boot during installation. Install the balljoint snap ring. Attach the steering knuckle to the control arm.

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