Warning!
Frequent inhalation of dust from brake pad surfaces, regardless of the material composition, can pose a health hazard.
- Do not inhale dust.
- Do not clean brake surfaces with compressed air or a brush. Use a vacuum cleaner.
1. Raise the rear of the vehicle and support it securely. Remove the rear wheels.
2. Release the parking brake and remove the brake caliper and rear wheel disc/drum.
3. Check the parking brake friction linings (A) for cracks, oil, wear and dirt.
4. Measure the thickness of the parking brake friction linings (B). This does not include the thickness of the brake shoe.
Parking brake friction lining thickness
| Standard | 3.2 mm |
| Limit | 1.0 mm |
5. If the friction lining thickness is less than the specified limit, replace all parking brake shoes as a set.
6. Check if the bearings in the hub rotate smoothly.
7. Measure the inside diameter of the parking brake drum using a caliper.
Parking brake drum inner diameter
| Standard | 169.9-170.0 mm |
| Limit | 171.0 mm |
8. If the inner diameter of the parking brake drum exceeds the specified limit, replace the rear wheel brake disc/drum.
9. Check the parking brake drum for scratches, nicks or cracks.