Ford 3U2Z-5580-BA Spring

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Start by loosening the wheel lug nuts, raising the rear of the vehicle, and supporting it securely on jackstands under the frame. Remove the rear wheels and block the front wheels. Next, remove the rear stabilizer bar and support the rear axle assembly with a jack placed under the axle housing. Use a safety chain through the spring and around a frame member for added security. Disconnect the lower studs of the two rear shock absorbers from their mounting brackets on the axle tube, and detach the height sensor connector link from the upper control arm. On 1998 and later models, disconnect the lateral arms that are part of the Watts linkage at the chassis ends. Slowly lower the jack until the spring is fully extended, and then remove the safety chain, coil spring, and insulators from between the suspension arm and the spring upper seat.

The vehicle must be raised and supported on jackstands, wheels removed, stabilizer bar disconnected (pre-1992 models), shock absorber and center link disconnected. A suitable spring compressor is installed to compress the spring, and the inner end of the lower control arm is detached from the frame. The control arm is lowered slowly to remove the spring and compressor.

Loosen the wheel lug nuts. Raise the vehicle and securely support it on jackstands. Remove the wheels. On 1988 through 1991 models, disconnect the stabilizer bar from the link. Remove the shock absorber. Disconnect the center link from the Pitman arm. Use a suitable spring compressor, following the manufacturer's instructions, to relieve tension on the spring. Compress the spring. Remove the nuts and bolts securing the inner end of the lower control arm to the frame. Slowly lower the control arm. Remove the spring and compressor as a unit. Note the installation of the upper insulator between the upper end of the spring and the frame. If the spring is to be replaced, slowly loosen the spring compressor tool until all tension is removed, then remove the tool.

Snap the right parking brake cable into the upper suspension arm retainer. Install the rear stabilizer bar. Connect the height sensor connector link to the upper control arm.

Unsnap the right parking brake cable clip from the right upper suspension arm. Disconnect the lower studs of the two rear shock absorbers from their mounting brackets on the axle tube. Detach the height sensor connector link from the upper control arm.

Loosen the wheel lug nuts. Raise the vehicle and securely support it on jackstands. Remove the wheels. On 1988 through 1991 models, disconnect the stabilizer bar from the link. Remove the shock absorber. Disconnect the center link from the Pitman arm. Use a suitable spring compressor, following the manufacturer's instructions, to relieve tension on the spring. Compress the spring. Remove the nuts and bolts securing the inner end of the lower control arm to the frame. Slowly lower the control arm. Remove the spring and compressor as a unit. Note the installation of the upper insulator between the upper end of the spring and the frame. If the spring is to be replaced, slowly loosen the spring compressor tool until all tension is removed, then remove the tool.