Ford CT4Z-5560-A Spring - Rear

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During the removal process, the spring should be inspected for defects and the upper and lower seats should be checked for damage.

Examine all components for wear or damage, replacing them as necessary. Check the shock for fluid leakage, inspect the piston rod for pitting, and assess the shock body for damage.

1. Guide the assembly up into the fenderwell. 2. Align the previously made match marks. 3. Insert the upper mounting studs through the holes in the body. 4. Once the studs protrude, install the new nuts to prevent the shock from falling back through, but don't tighten them yet.

1. Loosen the wheel lug nuts. 2. Raise the vehicle and support it securely on jack stands. 3. Remove the wheel. 4. Unbolt the brake hose bracket from the shock absorber. 5. Remove the wheel speed sensor and detach the wiring harness by removing the clamp bracket bolt. 6. On 2015 and later models, remove the stabilizer bar link nut and disconnect the link from the strut. 7. Support the control arm with a floor jack. 8. Unscrew the nuts securing the strut to the steering knuckle. 9. Tap the bolts out with a hammer. 10. Use the floor jack to lower the knuckle to allow room to remove the shock absorber/coil spring assembly, being careful not to overextend the inner CV joint.

During the installation process, it should be ensured that the lower seat is correctly positioned, the spring is placed with the lower end no more than 0.39 inches away from the step in the lower spring seat, and the jack is raised to secure the components. In all-wheel drive models, the drive axle should be placed back into the hub, seated properly, and the nuts should be tightened to the specified torque.

Test the shock's operation by moving the piston through various strokes, ensuring smooth and continuous resistance. Any signs of wear, damage, or uneven resistance necessitate replacement.