Ford 6L1Z-3085-BA Arm Assembly - Front Suspension

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The front suspension includes a stabilizer bar, which reduces vehicle roll during cornering, and a steering linkage comprising a Pitman arm, idler arm, center link, and adjustable tie-rod assemblies. These components allow for steering force transfer and toe-in adjustments.

Position a floor jack with a wood block under the lower control arm to relieve spring pressure from the upper control arm. Mark the position of the upper control arm camber adjustment cam. If the vehicle has a 4-wheel anti-lock brake system (4WABS), remove the bracket bolt for the wheel speed sensor wire and place the sensor wire out of harm's way.

Loosen the wheel lug nuts, then raise and support the rear of the vehicle. After that, remove the rear wheels.

To disconnect the upper control arm from the steering knuckle, remove the cotter pin from the balljoint castle nut, loosen the nut a few turns (without removing it), use a small puller to break the balljoint loose from the knuckle, and then remove the nut. Afterward, remove the upper control arm pivot bolts and nuts. During this process, inspect the pivot bolt bushings for wear. If they are worn, the control arm needs replacement. Also, inspect the upper balljoint seal. If it's leaking, replace the control arm, as the balljoint itself is not serviceable.

The front suspension system includes a steering knuckle, upper and lower ball joints, upper and lower control arms, coil springs, and shock absorbers (or shock absorber/coil spring assemblies).

Some steps and precautions include turning off the air suspension system, raising the vehicle securely on jackstands, and removing the wheels as needed for access.