Disassembly W/Carbureted Engine

1. Remove caliper and bracket as outlined, then clean dirt and rust from bracket and outside of caliper.
2. Rotate caliper piston counterclockwise and remove piston and dust boot.

Fig. 14 Rear disc brake caliper exploded view. 1984-87 Prelude w/carbureted engine:

3. Pry out retaining clip, then remove washers, bearing adjusting nut and seals from piston, Fig. 14.
4. Remove piston seal from caliper, taking care not to damage caliper bore.

Fig. 17 Rear caliper adjusting spring removal. 1984-87 Prelude:

5. Mount suitable spring compressor in caliper, Fig. 17, compress adjusting spring cover, and remove circlip.

Fig. 14 Rear disc brake caliper exploded view. 1984-87 Prelude w/carbureted engine:

6. Slowly release spring compressor, then remove spring cover, spring and seat, Fig. 14.
7. Remove pushrod retaining ring, key plate pushrod and O-ring from caliper body, then remove pin from cam.
8. Remove parking brake cam return spring, retaining nut, lever cam and cam dust boot.
9. Clean all components with new brake fluid and wipe dry with lint free shop towels.
10. Coat parking brake cam boot with suitable lubricant and pack needle bearing cavity with silicone grease, then install cam boot and cam, taking care not to damage boot when inserting cam.
11. Install lever, torque retaining nut to 20 ft. lbs. then install return spring.
12. Install key plate on pushrod using new O-ring, position pin in cam and install pushrod, then secure assembly with snap ring. Align lug on key plate with hole in cylinder.
13. Install spring seat, spring, and spring cover over pushrod.

Fig. 18 Rear caliper adjusting spring installation. 1984-87 Prelude w/carbureted engine:

14. Install spring compressor, aligning slit in rear caliper guide with groove in spring cover, Fig. 18, then compress spring until it is fully bottomed in caliper.
15. Remove rear caliper guide, ensure flared ends of spring cover are below snap ring groove, then install snap ring and remove spring compressor.
16. Coat adjusting nut cap with suitable lubricant, then install new cup on adjusting nut.
17. Install ball bearing, wave washer and flat washer on adjusting nut, insert assembly into piston, then secure with retaining clip.
18. Coat piston seal and dust boot with suitable lubricant, then install seals in caliper.
19. Coat outside of piston with suitable lubricant, then install piston on pushrod, rotating piston clockwise until fully seated.