Rear Brake Shoes & Drums: Inspection
- Inspect springs for signs of overheating, distortion or damage. Replace springs as necessary. Inspect backing plate for grooves in brake shoe contact areas. Replace or repair backing plate if damaged.
- Measure inside diameter of rear brake drum. Ensure inside diameter does not exceed maximum refinish diameter stamped on front outer edge of rear brake drum.
- Inspect rear brake drum for damage or scoring. If scoring exists, machine rear brake drum as necessary. After machining, ensure inside diameter does not exceed maximum refinish diameter stamped on front, outer edge of rear brake drum.
- Check diameter variation at brake shoe surface on rear brake drum. Diameter variation should not exceed .0040" (.099 mm) in 360 degrees. If diameter variation exceeds specification, machine brake drum as necessary. Ensure inside diameter does not exceed maximum refinish diameter stamped on front outer edge of rear brake drum.