Ford 9L3Z-3085-A Arm Assembly - Front Suspension

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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.

While both 2WD and 4WD models have similar steering knuckles, their wheel bearing setups differ. 2WD models use inner and outer tapered roller bearings on a spindle within the steering knuckle, while 4WD models employ sealed hub and bearing assemblies bolted to the knuckle.

Reattach the balljoint to the steering knuckle and tighten the ballstud nut. Reattach the 4WABS front brake anti-lock sensor wire bracket and tighten the bolt securely. Install the wheel and lug nuts, then lower the vehicle and tighten the lug nuts. Finally, tighten the upper arm pivot bolt nuts and reactivate the air suspension system, if equipped.

Remove the nuts and bolts securing the arms to the knuckle and frame, then install new bolts and nuts loosely.

The rear suspension for trucks consists of multi-leaf springs, shock absorbers, U-bolts attaching the rear axle assembly to the leaf springs, front hangers with rubber bushings, and shackles connecting the rear ends of the springs to the frame. An anti-wind bar is present in trucks with rear air suspension, preventing axle and spring twisting during braking and acceleration.

Yes, there are procedures provided for lower control arms, upper control arms, toe link rods, trailing arms (on 2007 and later models), and stabilizer bars.

Loosen the wheel lug nuts, raise the front of the vehicle, and support it securely on jackstands.

After separating the balljoint, the fasteners should be removed, and the upper control arm should be detached from the frame.