Mercury 9M6Z-18124-AR Shock Absorber Assembly

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Loosen the wheel lug nuts, raise the vehicle and support it securely on jackstands. Block the front wheels to prevent the vehicle from rolling. Remove the wheel. Support the rear end of the trailing arm with a floor jack. Raise the jack slightly to take the spring pressure off the shock absorber lower mount. Working inside the vehicle, remove the rear quarter trim panel for access to the shock absorber upper mounting nut. Remove the nuts, upper retainer, bushing and lower retainer. Unscrew the shock absorber lower mounting nut, then pull the shock off the mounting pin. Note how the retainers are positioned. Installation is the reverse of the removal procedure. Tighten the mounting fasteners to the torque.

Front suspension struts leaking fluid, damping loss, sagging or cracked springs if showed signs of wear should be disassembled and overhauled as needed. The individual replacement of springs and related components is possible. For balance maintainability, both sides' components should be replaced at once. The strut should be cleaned and mounted into a vise; the spring compressor tool will compress the spring. It is necessary to unscrew the retaining nut, remove top mountings, thrust bearing, spring seat, spring itself, boot, and bump stop to lower the vehicle down until its wheels touch the ground. Examine all components for wear and damage: replace parts if necessary. Check for fluid leakage on piston rod pitting and strut body damage. If there are issues with the operation-test it out; otherwise replace it anyway.

To reinstall the strut assembly, follow these steps: Guide the strut assembly up into the fender well. Align the previously made matchmarks. Insert the upper mounting studs through the holes in the body. Install the nuts to secure the strut in place. This may require assistance due to the weight and awkwardness of the strut.

To test the operation of the strut during inspection, hold it in an upright position and: Move the piston through a full stroke. Move the piston through short strokes of 2 to 4 inches. In both cases, the resistance felt should be smooth and continuous. Jerky or uneven resistance, or visible wear or damage, indicates the need for replacement.

Inside the vehicle.

Reconnect the following components: Brake hose bracket to the strut. Speed sensor wiring harness bracket (if equipped with ABS). Stabilizer bar link to the strut bracket.