Gm replacement rear Brake Shoe material serves as the best choice for brake performance because it helps preserve the balance between front and rear braking systems. The first step involves placing safety stands under the elevated vehicle and then extracting the tire to inspect the brake shoes. The
Brake Drum should be separated after inserting the pin into the park brake lever. Start by removing the rear Brake Shoe return springs (7,8) followed by hold-down springs and hold-down pins and shoe guide and rear Brake Shoe actuator with spring and its link together with rear parking brake lever strut which contains its spring and the rear Brake Shoe adjuster spring and lastly the rear brake adjuster before taking out the rear brake shoes (1,14). The inspection should check for discoloration along with wear and leakage from the rear brake cylinder of all parts along with scoring on the rear Brake Drum and its machining tolerance. First apply white lithium grease to the rear
Brake Backing Plate and adjusting screws threads before installing the rear brake shoes (1,14), rear Brake Shoe adjuster and then check that right and left Brake Shoe adjusting screws do not switch positions. After installation of the rear Brake Shoe adjuster spring with careful attention to keep its coils separate from the adjusting screw one must proceed with the rear park brake lever strut along with its spring followed by installation of the rear Brake Shoe actuator link and rear Brake Shoe actuator and their accompanying spring and shoe guide together with two hold-down pins and hold-down springs and the rear Brake Shoe return springs (7,8). Put the rear Brake Drum in position before taking out the pin from the park brake lever and returning the tire with its wheel. To conclude the procedure you must adjust the rear brakes before removing safety stands then lower the vehicle.