Ford AG1Z-18124-A Shock Absorber Assembly

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For 2012 and earlier models, new shock absorbers are gas-filled, compressed, and retained with a strap. Don't remove the strap until installation. Measure wheel hub to fender distance at rest. Remove rear wheel, loosen the brake caliper and mounting bracket, and support the lower suspension arm. Remove upper shock absorber mounting nut, index spring position, compress coil spring with a floor jack, remove trailing arm-to-rear knuckle bolt, and lower arm-to-rear knuckle bolt. Lower the jack and remove shock absorber and coil spring. Align new components with match marks. Raise the suspension arm to simulate ride height, tighten fasteners, install the wheel, and lower the vehicle. For 2013 and later models, remove the rear wheel, detach the stabilizer bar link from the rear knuckle, support the lower suspension arm, remove the shock absorber upper mounting nut and lower mounting bolt. Installation is reverse of removal, using new fasteners. Raise the lower suspension arm to simulate ride height, tighten fasteners, install the wheel, and lower the vehicle.

In the engine compartment, mark the relationship of one of the mounting studs to the body, then loosen the four upper mounting nuts. Loosen the wheel lug nuts, raise the vehicle, and support it securely on jackstands. Remove the wheel. Detach the ABS wheel speed sensor harness from the strut. Support the outer end of the lower control arm with a floor jack. Unscrew the nuts securing the strut to the steering knuckle, then tap the bolts out with a hammer. Use the floor jack to lower the knuckle to allow room to remove the shock absorber/coil spring assembly, but be careful not to overextend the inner CV joint.

In the engine compartment, mark the relationship of one of the mounting studs to the body, then loosen the four upper mounting nuts. Loosen the wheel lug nuts, raise the vehicle, and support it securely on jackstands. Remove the wheel. Detach the ABS wheel speed sensor harness from the strut. Support the outer end of the lower control arm with a floor jack. Unscrew the nuts securing the strut to the steering knuckle, then tap the bolts out with a hammer. Use the floor jack to lower the knuckle to allow room to remove the shock absorber/coil spring assembly, but be careful not to overextend the inner CV joint.

Inspect balljoint boots for damage and any signs of leaking grease.