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Brake Caliper Overhaul - Front (Single Piston)

Brake Caliper Overhaul - Front (Single A Piston)

Tools Required
^ J26267 Piston Seal Installer

Disassembly Procedure
1. Drain all of the brake fluid from the caliper.
2. Install a piece of wood or shop towels between the caliper and the piston.
3. Cover the brake caliper with a shop rag.

Caution: Refer to Eye Protection Caution in Service Precautions.

Notice: Refer to Safety Glasses and Compressed Air Caution in Service Precautions.





4. Apply only enough compressed air to the brake caliper to remove the piston.
5. Remove the shop rag cover from the brake caliper.
6. Remove the piece of wood or shop towels from the brake caliper.





7. Remove the boot from the front brake caliper.

Important: When removing the, front brake caliper piston seal, use a non metallic tool.





8. Remove the front brake caliper piston seal.





9. Remove the bleeder valve from the brake caliper body.
10. Clean the following items with denatured alcohol.
^ The bleeder valve
^ The brake caliper body bore
^ The brake caliper piston

Important: If the corrosion cannot be removed, replace the brake caliper housing and piston.

11. Using a crocus cloth, clean the corrosion from the brake caliper bore.
12. Dry the parts using non lubricated, filtered compressed air.
13. Replace the brake caliper or the piston if any of the following conditions exist:
^ Scoring on the piston surface or in the caliper bore
^ Corrosion on the piston
^ Chrome plating damage on the piston
^ Pitting in the caliper bore

Assembly Procedure





1. Lubricate the following parts with clean brake fluid.
^ The piston
^ The piston seal
^ The brake caliper bore.

Important: Ensure that the piston seal is not twisted in the brake caliper bore groove.





2. Install the piston seal.





3. Install the boot on the piston.

4. Install the piston in the caliper bore.





5. Using J26267, install the front caliper piston boot..

Notice: Refer to Fastener Notice in Service Precautions.





6. Install the bleeder valve.
Tighten the bleeder valve to 12 Nm (110 lb in).