Mercury 9L8Z-5310-A Spring - Front

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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 disassemble the strut assembly, follow these steps: Clean the strut from external dirt. Mount the strut in a vise. Install coil spring compressor tools, ensuring they are fully engaged. Compress the spring until all tension is relieved from the upper mount. Hold the strut piston rod with an Allen key and unscrew the thrust bearing retaining nut with a box-end wrench. Withdraw the top mounting, thrust bearing, upper spring seat, spring, boot, and bump stop.

Remove the ABS wheel speed sensor and unbolt the harness bracket from the trailing arm.

Remove the upper suspension arm.