Ford YW7Z-2N712-AA Kit - Brake Repair

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Loosen the rear wheel lug nuts. Raise the rear of the vehicle and place it securely on jackstands. Remove the rear wheels. Remove the caliper and the brake disc. It's not necessary to disconnect the brake hose from the caliper; but hang the caliper out of the way with a piece of wire to prevent damage to the hose. Inspect the thickness of the lining material on the shoes. If the lining has worn down to 0.040 inch or less, the shoes must be replaced. Disconnect the rear parking brake cable from the parking brake lever. Remove the axleshaft. Remove the parking brake leading shoe hold-down spring with an Allen bit and remove the trailing shoe hold-down spring. Rotate the star adjuster to its shortest length, then spread the parking brake shoes apart and remove the adjuster. Detach the upper return spring from the parking brake shoes. Remove the parking brake shoes, the lower return springs and the parking brake lever as a single assembly; make sure you don't damage the rubber grommet that lines the hole in the backing plate for the parking brake lever. Finish disassembling the parking brake assembly on the bench: The two lower return springs (one in front of the shoes, one behind them) and the parking brake lever are shown bottom center. Install the axleshaft and the brake disc. Temporarily thread three of the wheel lug nuts onto the studs to hold the disc in place. Remove the rubber access plug from the backside of the brake torque plate. Adjust the parking brake shoe clearance by turning the adjuster star wheel with a brake adjusting tool or screwdriver until the shoes contact the disc and the disc can't be turned. Back off the adjuster eight notches, then install the hole plug. Install the brake caliper. Be sure to tighten the bolts to the torque. Install the wheel and tighten the lug nuts to the torque. To bed the shoes to the drum, drive the vehicle at approximately 30 mph on a dry, level road. Depress the parking brake pedal with about 20 pounds of force. Note: The vacuum release mechanism will prevent the parking brake from setting, if it is operating properly. Be sure to check the function of the vacuum release before performing the bedding-in procedure. Drive the vehicle for 1/4-mile with the parking brake applied like this. Repeat this procedure two or three times, allowing the brakes to cool between applications.

To bed the shoes to the drum, drive the vehicle at approximately 30 mph on a dry, level road. Depress the parking brake pedal with about 20 pounds of force. Repeat this procedure two or three times, allowing the brakes to cool between applications. Note: Check the function of the vacuum release mechanism before performing the bedding-in procedure.

Loosen the wheel lug nuts, raise the rear of the vehicle, and support it securely on jackstands. Block the front wheels to prevent the vehicle from rolling. Release the parking brake.

Reassemble by installing the brake caliper, ensuring the bolts are tightened. Install the wheel and tighten the lug nuts.

Loosen the wheel lug nuts, raise the rear of the vehicle, and support it securely on jackstands. Block the front wheels to prevent the vehicle from rolling. Release the parking brake.

Remove the primary and secondary return springs, unhook the adjusting cable eye from the anchor pin, and proceed to remove the shoe guide and the shoe retaining springs and pins.