Parking Brake Shoe: Service and Repair
ReplacementCAUTION: Frequent inhalation of brake pad dust, regardless of material composition, could be hazardous to your health.
^ Avoid breathing dust particles.
^ Never use an air hose or brush to clean brake assemblies. Use an OSHA-approved vacuum cleaner.
Disassembly
1. Raise the rear of the vehicle, and make sure it is securely supported. Remove the rear wheels.
2. Release the parking brake, and remove the rear brake caliper and brake disc/drum.
3. Disconnect and remove the upper return springs (A).
4. Remove the tension pins (A) by pushing and turning the retainers (B).
5. Remove the connecting rod (A).
6. Lower the parking brake shoe assembly.
7. Remove the forward brake shoe by removing the lower return spring (A) and adjuster assembly (B).
8. Remove the rearward brake shoe by disconnecting the parking brake cable (A) from the parking brake lever (B).
9. Remove the U-clip (A), wave washer (B), and parking brake lever (C) from the brake shoe.
Reassembly
1. Apply Molykote 44 MA grease to the sliding surface of the pivot pin (A) of the rearward brake shoe (B).
2. Install the parking brake lever (C) and wave washer (D) on the pivot pin, and secure with a new U-clip (E).
^ Install the wave washer with its convex side facing out.
^ Pinch the U-clip securely to prevent the parking brake lever from coming out from the brake shoe.
3. Connect the parking brake cable (A) to the parking brake lever (B).
4. Apply Molykote 44 MA grease to the shoe ends and connecting rod ends (A), sliding surfaces (B), and opposite edges of the parking brake shoe (C) as shown. Wipe off any excess. Keep grease off the brake linings.
5. Install the tension pin (A), retainer spring (B), and retainer (C) of the rearward brake shoe (D). Make sure the tension pin does not contact to the parking brake lever.
6. Clean the threaded portions of the clevis A, and coat the threads with multipurpose grease. Clean the sliding surface of the clevis B. and coat the sliding surface with multipurpose grease. Install the clevis A and B on the adjuster (C), and shorten the clevis A by turning the adjuster.
7. Reinstall the brake shoe adjuster assembly (D), and hook the lower return spring (E) on the parking brake shoes.
8. Install the rod spring (A) to the connecting rod (B) first. Then install the connecting rod on the parking brake shoes.
9. Install the tension pin (A), retainer spring (B), and retainer (C) of the forward brake shoe (D).
10. Install the upper return springs (A).
11. Install the rear brake disc/drum and rear brake caliper.
12. Do the major the parking brake adjustment.
Lining Break-in
NOTE: Do brake linings surface break-in when replacing shoes with new linings and/or new rear brake disc/ drum. Do this operation in a safe area.
1. Park the vehicle on a firm, level surface.
2. Do the major parking brake adjustment.
3. Do the minor parking brake adjustment.
4. Press the parking brake pedal two to four clicks.
5. Drive the vehicle for 400 m (1/4 mile) at no more than 31 mph (50 km/h).
6. Stop the vehicle and release the parking brake for5 - 10 minutes to allow the drums to cool.
7. Repeat steps 4 through 6 three more times.
8. Check the parking brake pedal adjustment.