Disassembly and Assembly
Fig. 33 Exploded View Of Caliper Assembly:
DISASSEMBLY
1. Remove disc pads, then disconnect brake hose from caliper.
2. Open bleeder screw and drain brake fluid from caliper.
3. Remove caliper guide bushing and dust boots, Fig. 33.
4. Pry retaining spring off dust boot, then remove piston.
5. Remove dust boot and discard, then remove piston seal from caliper and discard.
6. Remove parking brake mechanism from caliper housing.
ASSEMBLY
Clean caliper, anchor plate and rotor assembly and inspect for signs of brake fluid leakage, excessive wear or damage. The caliper must be inspected for leakage both in piston boot area and operating shaft seal area. Lightly sand or wire brush any rust or corrosion from caliper and anchor plate sliding surfaces and inner brake shoe abutment surfaces in anchor plate. Inspect brake shoes for wear. Linings must not be worn to less than 1/8 inch of shoe surface.
Lubricate all new seals with brake fluid before installation.
1. Install needle bearings, dust boot and parking brake lever, Fig. 33.
2. Install adapter spindle in caliper.
3. Install dust boot into caliper bore, then install retaining spring.
4. Install caliper piston.
5. Install upper and lower guide pin dust boots.
6. Install anchor plate clips, brake pads, shims and spring retainer.
7. Install caliper on anchor plate, then tighten upper guide pin and install dust cap.
8. Install lower guide pin and torque to specification.
9. Perform system brake bleeding procedures, them pump brake pedal several times to seat brake pads.
10. Check brake fluid level, adding fluid as necessary, then install wheel and tire assembly.