OEM GMC Savana 2500 Brake Drum

GMC Savana 2500 Brake Drum Parts and Q&A

• Brake Drum, Rear
  15003097
  Q: How to replace the brake drum on GMC Savana 2500?

  A:

  In order to replace the Brake Drum, it is first necessary to install the pin into the park brake lever, then to raise as well as support appropriately the vehicle. Remove the tire and wheel assembly, which has to be labeled relating to the drum to the hub. If possible, take out the Brake Drum retaining clips, and then remove the Brake Drum. If the drum is hard to remove, you then take off the access hole plug from the backing plate, slide a flat- bladed tool from the outside into the backing plate access hole through; use your other flat-bladed tool to loosen the self adjuster screw. After reinstalling the access hole plug to avoid contamination, spread some penetrating oil around the center hole of the Brake Drum and remove the Brake Drum. For installation, move the relationship mark and install Brake Drum on axle and then install the rear Brake Drum retainers if available. Disengage the pin from the park brake lever, askill on the tire and wheel assembly and readjust the rear brakes. Lower the car and with the engine turned off, slowly press the brake pedal about 2/3 of travel distance and slowly release it. Wait 15seconds, and repeat this process until a firm brake pedal is achieved, ensuring proper seating of the wheel cylinders and Brake Shoes.
• Brake Drum, Rear
  15693468
  Q: How to service and repair the brake drum on GMC Savana 2500?

  A:

  Start brake drum servicing by getting the Rotor Resurfacing Kit (J 41013). For effective service the brake drums need to stay untouched despite brake noise complaints or other general surface issues. Refinish the brake drum only when the groove depth exceeds its specifications and causes strong pulsating or when the drum body shows excessive roundness levels beyond permitted ranges. The brake drum needs replacement when the largest measurement by micrometer goes past the refurbishment limit. Use the Rotor Resurfacing Kit (J 41013) or a suitable alternative to clean all rust from the brake drum flange surface. Follow brake lathe manufacturer instructions to refinish the brake drum because only excellent braking surface finish delivers proper vehicle stopping power. After machining sand the brake surface with 120 grit aluminum oxide sandpaper to make it non-directional then clean it with brake parts cleaner GM P/N 12377981 or equivalent.