Instructions

Instructions

1. Disconnect the brake line banjo bolt from the caliper.

2. Detach the caliper from the spindle by loosening the caliper bolts on top or on the side of the caliper.

3. Remove the brake pads from the caliper.

4. Lay the caliper flat on a padded surface.

5. Place several pieces of corrugated cardboard inside the caliper. The cardboard will act as padding when the pistons eject from the caliper.

6. Induce compressed air (about 90 psi) into the caliper via the banjo bolt connection. The pistons should eject from the caliper.

7. It may be necessary to use thin cardboard shims to get certain pistons to eject or use your hands to pull out pistons.

8. Inspect piston housing and pistons (if they are being reused) to make sure there is no visible damage.

9. Use a thin and soft metal blade such as a .004" feeler gauge to gently pry out the old oil seal from the seal grooves.

10. Stretch new seals and apply some brake grease (or brake fluid) for lubricant. WARNING: Be sure not to overstretch seals or they may not fit into seal grooves.

11. Place oil seals into groves.

12. Pull dust boot over piston in a downward motion so the seal is properly fitted into piston neck (RB calipers use dust deals and be replaced by following steps 9-11).

13. Push piston into caliper with an even and straight downward motion (not crooked) or the piston will cut into seals.

14. Press down on outer dust boot surface so that is properly seated into grooves. 

15. Reattach caliper to adapter and/or spindle and reconnect the brake line.

16. Bleed the system.

 

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