To install to replace the drum Brake Backing Plate, raise the vehicle and remove the park brake cable; for the left cable, it is park brake cable replacement - front, and for the right, park brake cable replacement - left rear. Remove the Wheel Cylinder and the rear Axle Shaft, as well as the backing plate mounting bolts to pull off the backing plate. Install the backing plate mounting bolts to the rear axle housing and follow the fastener notice in service precautions. Position the backing plate on the rear axle housing. Apply 135 nm (100 ft. Lbs.) of torque to the mounting bolts and attach the backing plate retaining bolts. Install the Wheel Cylinder and the park brake cables once more, with the relevant replacements for the left and the right cables. Finally install rear Axle Shaft and lower the vehicle.