Brake Caliper Overhaul - Front

Brake Caliper Overhaul - Front

Disassembly Procedure




1. Remove the caliper assembly. Refer to Brake Caliper Replacement - Front Brake Caliper Replacement - Front.
2. Remove the caliper guide pin that connects the caliper piston housing to the retaining frame.




3. Remove the front pad brake set, including the pad springs from the caliper. Refer to Brake Pads Replacement - Front Brake Pads Replacement - Front.





Caution: Refer to Safety Glasses Caution Safety Glasses Caution in Cautions and Notices.

Caution: Do not place your fingers in front of the piston in an attempt to catch or protect it when applying compressed air. This could result in serious injury.

Important: Insert a piece of hardwood into the caliper housing interior when removing the piston.


4. Using compressed air, blow out the piston from the housing, and remove the outer piston seal.




5. Remove the inner seal.




6. Remove the bleeder valve protector and the bleeder valve.

Assembly Procedure





Caution: Refer to Safety Glasses Caution Safety Glasses Caution in Cautions and Notices.

1. Clean all the parts in denatured alcohol or brake fluid. Dry the parts with unlubricated compressed air and blow out all the passages in the housing and the bleeder valve.
2. Inspect the piston and the caliper for scoring, nicks, and corrosion. Replace the components if these elements are found.
3. Inspect the caliper bleeder valve.

Important: Do not remove material from the piston or the caliper bore.





4. Lubricate a new piston inner seal.
5. Install the piston inner seal into the caliper housing groove. Make sure the seal is not twisted.
6. Install the outer piston dust seal in the groove.
7. Lubricate the piston with brake fluid.
8. Push the piston inward until it is properly seated.
9. Coat the pins with rubber grease and install the boots.





Notice: Refer to Fastener Notice Fastener Notice in Cautions and Notices.

10. Install the caliper bleeder valve and the protector.

Tighten the caliper bleeder valve to 8 Nm (71 lb in).

Important: Make sure the pad springs are properly installed.


11. Connect the brake pads and the pad springs.




12. Connect the retaining frame to the caliper housing with the guide pin bolts.

Tighten the retaining frame-to-caliper housing bolts to 27 Nm (20 lb ft).

13. Install the caliper assembly. Refer to Brake Caliper Replacement - Front Brake Caliper Replacement - Front.