Lincoln CT4Z-18124-B Shock Absorber Assembly

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Signs of wear include leaking fluid, loss of damping capability, or issues like sagging or cracked coil springs.

Wash the boots and inspect them for tears, cracks, and loose clamps, with special attention to the outer CV boot due to its frequent movement following steering action. If cracks or lubricant leakage are evident, replacement is necessary.

1. Loosen the wheel lug nuts. 2. Raise the vehicle and support it securely on jack stands. 3. Remove the wheel. 4. Unbolt the brake hose bracket from the shock absorber. 5. Remove the wheel speed sensor and detach the wiring harness by removing the clamp bracket bolt. 6. On 2015 and later models, remove the stabilizer bar link nut and disconnect the link from the strut. 7. Support the control arm with a floor jack. 8. Unscrew the nuts securing the strut to the steering knuckle. 9. Tap the bolts out with a hammer. 10. Use the floor jack to lower the knuckle to allow room to remove the shock absorber/coil spring assembly, being careful not to overextend the inner CV joint.

New shock absorbers are gas-filled and come compressed and retained with a fiberglass strap. Do NOT remove the strap until the shock is installed.

Replace the shock absorbers.

1. Guide the assembly up into the fenderwell. 2. Align the previously made match marks. 3. Insert the upper mounting studs through the holes in the body. 4. Once the studs protrude, install the new nuts to prevent the shock from falling back through, but don't tighten them yet. 5. Use the jack to position the steering knuckle. 6. Install the two lower mounting bolts and nuts. 7. Tighten the nuts to the specified torque. 8. Install the wheel and lug nuts. 9. Lower the vehicle and tighten the lug nuts to the specified torque. 10. Finally, tighten the upper mounting nuts to the specified torque.

Subsequently, remove the upper mount, spring, boot, bump stop, and lower spring seat.

When installing the shock absorber on 2014 and earlier models, install the upper and lower shock mounting fasteners but leave them loose until after the vehicle has been lowered or the suspension raised with a floor jack to simulate normal ride height.