Ford F8AZ-5560-FA Spring - Rear

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Remove the jackstands and lower the vehicle. Before attempting to drive a vehicle equipped with air suspension, turn the air suspension switch to On, start the engine, and allow the compressor to inflate the air suspension springs (they deflate automatically when the rear of the vehicle is raised).

Place the spring upper insulator on the spring and secure it with tape. Install the spring compressor according to the manufacturer's instructions and compress the spring. Position the spring on the lower control arm, ensuring the lower end properly engages with the seat. On 1988 through 1991 models, align the end of the spring to cover the first hole in the lower control arm spring seat, leaving the second hole uncovered. Carefully raise the lower control arm, guiding the inner end to align with the bolt holes in the frame. Install the pivot bolts into the control arm and the frame. Loosely attach the nuts on the bolts. Attach the center link to the Pitman arm. Attach the lower end of the shock absorber to the lower control arm. On 1988 through 1991 models, attach the stabilizer bar to the link. Install the shock absorber. Install the wheels. Remove the jackstands, lower the floor jack, and lower the vehicle. Tighten the wheel lug nuts to the specified torque. After lowering the vehicle, tighten the lower control arm pivot bolt nuts to the specified torque. This can also be done with the vehicle on jackstands by raising the lower control arm with a floor jack to simulate normal ride height.