Assembly

FRONT
1. Lubricate piston bore and new piston seal with clean brake fluid.
2. Install seal in bore groove by hand and lubricate piston with clean brake fluid.
3. Install new dust boot on piston, sliding metal retainer portion of boot over open end of piston and pulling boot rearward until boot lip seats in piston groove.
4. Push metal retainer portion of boot forward until retainer is flush with rim at open end of piston, then snap boot fold into place.
5. Install piston into caliper bore, using care to avoid unseating piston seal.
6. Press piston to bottom of bore.
7. Use seal installer tool No. J-33028, or equivalent, to seat metal retainer portion of dust boot in counterbore at upper end of bore.
8. Install bleeder screw, then new inner and outer bushings and plastic sleeves, if equipped, in caliper mounting ears.

REAR
1. Lubricate caliper piston bore and new piston seal with clean brake fluid, then install seal in piston bore groove. Ensure seal is fully seated and is not twisted.
2. Lubricate surface of caliper piston with clean brake fluid, then start piston into bore by hand with a gentle rocking and twisting motion. Ensure seal is not folded over during piston insertion.
3. Install dust boot over piston, ensuring lip is fully seated in groove at top of piston.

Fig. 12 Rear Caliper Piston Dust Boot Installation:

4. Seat dust boot in caliper by hand or with a suitable installer tool as shown, then press piston to bottom of bore.

Fig. 13 Rear Caliper Mounting Bolt Bushing Boot Position:

5. Install caliper bleed screw and bushing and boot assemblies. Ensure boots are centered in caliper bores as shown.
6. Install mounting bolt bushings in boots with boot lips seated in bushing end grooves.
7. Install brake pads as outlined under Brake Pad/Service and Repair.