1. Check the piston for rust, damage, cracks and deterioration of the external surface. | 2. Check the piston seals, bags and guide pins. |
| 3. Apply brake fluid following elements: - piston seal;
- the inner surface of the cylinder;
- Case of the piston;
- the outer surface of the piston.
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| 4. Push the piston in the caliper. |
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5. Turn the piston upward mark as shown. |
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