Lincoln 7L1Z-3084-A Arm Assembly - Front Suspension

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First of all, the front suspension has independent wheels connected to the frame with steering knuckles, ball joints, and control arms. 2WD models use coil springs and shock absorbers, while 4WD models use shocks and torsion bars. Coil springs are positioned between the frame and lower control arms on 1997-2002 models, while later models have shock absorber/coil spring assemblies. A stabilizer bar reduces vehicle roll and connects to the frame and control arms. The steering linkage includes a Pitman arm, idler arm, center link, and tie-rod assemblies. The steering knuckles differ between 2WD and 4WD models. The rear suspension on trucks has leaf springs, shock absorbers, and U-bolts attaching the axle to the springs. Rubber bushings secure the front ends of the springs to the frame, and shackles connect the rear ends to the frame.

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.

Disconnect the end links, remove the rear suspension stone shields, and remove the stabilizer bar bracket-to-frame bolts. Install new nuts on the links and bracket bolts.

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.

Measure the height of the center of the hub to the ground before proceeding. These measurements help ensure proper alignment and suspension adjustment. Additionally, you should loosen the wheel lug nuts and raise the front of the vehicle while securely supporting it on jackstands. Remove the wheel.

Yes, the importance of simulating ride height before final tightening is emphasized.

Remove the pivot nuts and bolts from the control arm and then remove it from the frame.

After raising the vehicle, apply the parking brake and remove the wheel.