- Avoid breathing dust particles.
- Never use an air hose or brush to clean brake assemblies. Use an appropriate vacuum cleaner.
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Frequent inhalation of brake pad dust, regardless of material composition, could be hazardous to your health.
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| 1. | Raise the rear of the vehicle, and support it with safety stands in the proper locations. |
| 2. | Remove the rear wheels. |
| 3. | Release the parking brake, and remove the brake drum.
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| 4. | Check the wheel cylinder (A) for leakage.
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| 5. | Check the brake linings (B) for cracking, glazing, wear, and contamination. NOTE: Contaminated brake linings or drums reduce stopping ability. |
| 6. | Measure the brake lining thickness (C). Measurement does not include brake shoe thickness.
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| 7. | If the brake lining thickness is less than the service limit, replace the brake shoes as a set. |
| 8. | Check the hub (D) for smooth operation. If it requires servicing, replace the hub bearing unit. |
| 9. | Measure the inside diameter of the brake drum with inside vernier calipers.
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| 10. | If the inside diameter of the brake drum is more than the service limit, replace the brake drum. |
| 11. | Check the brake drum for scoring, grooves, corrosion, and cracks. |