Rear Drum Brake Inspection
Rear Drum Brake Inspection
Frequent inhalation of brake pad dust, regardless of material composition, could be hazardous to your health.
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NOTE:
- Contaminated brake linings or drums reduce stopping ability.
- Block the front wheels before jacking up the rear of the vehicle.
| 1. | Raise the rear of the vehicle, and make sure it is securely supported. Remove the rear wheels. |
| 2. | Release the parking brake, and remove the rear brake drum .
LEVERCLEVIS BCLEVIS AADJUSTER BOLT Check ratchet teeth for wear and damage.UPPER RETURN SPRING Check for weakness and damage.PARKING BRAKE LEVER Marked left and right.LOWER RETURN SPRING Check for weakness and damage.SELF-ADJUSTER SPRING Check for weakness and damage.RETAINER SPRING Install securely on tension pin.BRAKE SHOE If brake shoes are to be reused, mark and reassemble in the same position.WHEEL CYLINDER Inspect for leakage.TENSION PINSBRAKE DRUM Check for wear and damage. Removal and Installation, U-CLIP Replace.BACKING PLATE Marked left and right.10 x 1.25 mm 64 N·m (6.5 kgf·m, 47 lbf·ft)RETAINER SPRING Install securely on tension pin. |
| 3. | Check the wheel cylinder (A) for leakage.
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| 4. | Check the brake linings (B) for cracking, glazing, wear, and contamination. |
| 5. | Measure the brake lining thickness (C). Measurement does not include brake shoe thickness.
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| 6. | If the brake lining thickness is less than the service limit, replace the brake shoes as a set. |
| 7. | Check the hub bearing for smooth operation. If it requires servicing, replace it. |
| 8. | Measure the inside diameter of the brake drum with inside vernier calipers.
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| 9. | If the inside diameter of the brake drum is more than the service limit, replace the brake drum. |
| 10. | Check the brake drum for scoring, grooves, corrosion, and cracks. |