Mercury 8G1Z-18125-G Shock Absorber Assembly

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For 2012 and prior models, unlock steering and loosen strut upper mounting nuts in the engine compartment. Raise the vehicle, remove the wheel, depress brake pedal, and remove the driveaxle/hub nut. Remove brake disc, separate tie-rod end and stabilizer bar from knuckle. Detach sensor harness, press driveaxle from hub, and remove the strut assembly. Inspect shock and spring for damage. For installation, align knuckle onto strut, insert upper studs through body holes, and guide driveaxle into wheel hub. Reconnect control arm balljoint, sensor harness, stabilizer bar, and tie-rod end. Install brake discs, new hub nut, and wheel. Check front end alignment. For 2013 models onwards, mark strut stud in engine compartment and loosen mounting nuts. Raise the vehicle, remove wheel, and detach sensor harness. Support control arm with jack, unscrew nuts securing strut to knuckle, and remove strut assembly. Inspect as before. For installation, align strut into fender well, insert studs through body holes, use jack to position knuckle, reconnect wheel speed sensor harness, and install wheel. Tighten nuts to correct torque, lower vehicle, and check alignment.

The inspection procedures are the same as for the 2012 and earlier models.

For 2013 and later models, start by loosening the wheel lug nuts, raising the vehicle, and supporting it securely on jackstands, blocking the front wheels. Remove the rear wheel and open the trunk to pull back the interior quarter trim panel. Detach the stabilizer bar link from the rear knuckle and support the lower suspension arm with a floor jack placed under the spring pocket. Remove the shock absorber upper mounting nut and the shock absorber lower mounting bolt to take out the shock absorber.

If the vehicle's body continues to move excessively after being pushed down, worn or weak shock absorbers may be the cause.