Chock the front wheels, raise the rear of the vehicle, and support it on jackstands placed under the rear frame member. Remove the wheels, brake drums, and axleshafts. Remove the driveshaft. Disconnect the lower end of the shock absorbers from the axle housing and disconnect the rear stabilizer bar if so equipped. Remove the brake vent tube from the brake line junction and retaining clamp if equipped. Remove the brake lines from the clips that retain them to the axle but do not disconnect any of the line fittings. Remove the brake shoes and backing plates, supporting them with wire to avoid straining the hydraulic brake lines which are still attached. On vehicles with rear anti-clock brakes, be sure to unplug the brake sensor electrical connector. Support the weight of the axle on a floor jack and remove the nuts from the spring U-bolts, then remove the bottom clamping plates. Lower the axle assembly on the jack and withdraw it from the rear of the vehicle. The axle assembly is installed by reversing the removal procedure, tightening all fasteners to the specified torque values.