Mercury XW3Z-18124-AA Kit - Shock Absorber

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For 2003 and later models, remove the three shock absorber upper mounting nuts, the brake caliper, and the brake disc. Additionally, remove the upper and lower stabilizer bar links. Remove the upper balljoint nut and separate the control arm from the steering knuckle. Finally, remove the lower mounting bolt and the shock absorber/coil spring assembly from the front end of the vehicle.

Locate the upper retaining nut for the shock absorber on top of the frame and remove the nut, washer, and insulator. Compress the shock absorber to clear the hole in the frame and remove the inner insulator and washer. On certain models, open the trunk, remove the side trim panel, and remove the upper mounting nut from the shock absorber rod. Remove the lower retaining nut or bolt and remove the shock absorber from the vehicle.

The strut is separated from the steering knuckle by removing the strut to steering knuckle nuts and bolts.

The bushings and grommets should be inspected for cracks, tears, and deterioration.

Grasp each front tire at the front and rear edges, push in at the front and pull out at the rear to feel for play in the steering system components.

Compress the shock absorber to clear the hole in the frame, and then remove the inner insulator and washer from the upper retaining stud. Some models may have shocks with a plastic dust tube, which can be loosened using a wrench. Remove the lower retaining nut and the lower shock absorber mounting stud from the mounting bracket to complete the removal process.

If any free play is noted, check the steering gear mounts and the tie-rod ends for looseness. Verify the steering gear mount bolt tightness. If the tie-rods are loose, the ball joints may be worn.

Inspect the shock absorber for leaking fluid, dents, cracks, and other damage. Examine the coil spring for chips and cracks that could lead to premature failure. Also, inspect the spring seats for hardness and general deterioration.

Compress the shock absorber to clear the hole in the frame, and then remove the inner insulator and washer from the upper retaining stud. Some models may have shocks with a plastic dust tube, which can be loosened using a wrench. Remove the lower retaining nut and the lower shock absorber mounting stud from the mounting bracket to complete the removal process.

If the vehicle continues to move up and down or fails to return to its original position, a worn or weak shock absorber is likely the reason.