Rear Brake Shoe, Wheel Cylinder & Brake Drum: Overhaul

HINT:

• COMPONENTS: See COMPONENTS 
• Overhaul the RH side by the same procedures with LH side.

1. REMOVE REAR WHEEL 
2. DRAIN BRAKE FLUID 
   NOTE: Wash off the brake fluid immediately if it comes into contact with a painted surface.
3. REMOVE REAR BRAKE DRUM SUB-ASSY 

   HINT:

   If the brake drum cannot be removed easily, do the following steps.

   1. Insert a bent wire or equivalent through the hole in the brake drum, and hold the automatic adjusting lever away from the adjuster.
   2. Using a screwdriver, reduce the brake shoe adjustment by turning the adjuster.
   3. Remove the rear brake drum sub-assy.
      Fig 1: Removing Rear Brake Drum Sub-Assy

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. INSPECT BRAKE DRUM INSIDE DIAMETER 
   1. Using a brake drum gauge or equivalent, measure the inside diameter of the drum.

      Standard inside diameter: 228.0 mm (8.976 in.) 

      Maximum inside diameter: 230.6 mm (9.079 in.) 

      Fig 2: Inspecting Brake Drum Inside Diameter

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
5. REMOVE TENSION SPRING 
   1. Remove the tension spring from the front brake shoe and rear brake shoe.
6. SEPARATE PARKING BRAKE SHOE STRUT SET LH 
   1. Using SST, disconnect the shoe return spring and separate the parking brake shoe strut set LH.

      SST 09703-30010

      NOTE: Do not damage the wheel cylinder boot.
      Fig 3: Separating Parking Brake Shoe Strut Set LH

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
7. REMOVE FRONT BRAKE SHOE 
   1. Using SST, remove the 2 cups, shoe hold-down spring and pin.

      SST 09718-00010

   2. Remove the front brake shoe.
      Fig 4: Removing Front Brake Shoe

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
8. REMOVE PARKING BRAKE SHOE STRUT SET LH 
9. REMOVE REAR BRAKE SHOE 
   1. Using SST, remove the 2 cups, shoe hold-down spring and pin.

      SST 09718-00010

   2. Using a screwdriver, disconnect the parking brake cable from the anchor plate.
   3. Using needle-nose pliers, disconnect the parking brake cable from the lever and remove the rear shoe.
      NOTE: Do not allow oil or grease on the rubbing face.
Fig 5: Removing Rear Brake Shoe
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
10. REMOVE REAR BRAKE AUTOMATIC ADJUST LEVER LH
    1. Remove the adjusting lever spring.
    2. Remove the E-ring.
    3. Remove the automatic adjusting lever.
       Fig 6: Removing Rear Brake Automatic Adjust Lever LH

       Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
11. REMOVE PARKING BRAKE SHOE LEVER LH 
    1. Using screwdriver, remove the C-washer and parking brake shoe lever.
       Fig 7: Removing Parking Brake Shoe Lever LH

       Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
12. INSPECT REAR DRUM BRAKE SHOE LINING THICKNESS 
    1. Using a ruler, measure the shoe lining thickness.

       Standard thickness: 5.0 mm (0.197 in.) 

       Minimum thickness: 1.0 mm (0.039 in.) 

       If the thickness is less than the minimum, or shows signs of uneven wear, replace the brake shoes.

       HINT:

       If any of the brake shoes have to be replaced, replace all of the rear brake shoes in order to maintain even braking.

Fig 8: Inspecting Rear Drum Brake Shoe Lining Thickness
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
13. INSPECT BRAKE DRUM AND REAR DRUM BRAKE SHOE LINING FOR PROPER CONTACT 
    1. Apply chalk to the inside surface of the drum, then grind drum the brake shoe lining to fit.

       If the contact between the drum and the shoe lining is improper, repair it using a brake shoe grinder or replace the brake shoe assembly.

       Fig 9: Inspecting Brake Drum And Rear Drum Brake Shoe Lining For Proper Contact

       Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
14. REMOVE LH, FRONT OR UPPER REAR WHEEL BRAKE CYLINDER ASSY 
    1. Using SST, disconnect the brake tube, use a container to catch brake fluid.

       SST 09751-36011

    2. Remove the 2 bolts and wheel cylinder.
       Fig 10: Removing LH, Front Or Upper Rear Wheel Brake Cylinder Assy

       Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
15. REMOVE REAR WHEEL CYLINDER CUP KIT 
    1. Remove the 2 cylinder dust boots from the wheel cylinder.
    2. Remove the 2 pistons and compression spring.
    3. Remove the 2 cups from the each piston.
16. INSPECT BRAKE WHEEL CYLINDER 
    1. Check the cylinder bore and piston for rust or scoring.
17. REMOVE REAR DISC BRAKE BLEEDER PLUG CAP 
18. REMOVE REAR DISC BRAKE BLEEDER PLUG 
19. TEMPORARILY TIGHTEN REAR DISC BRAKE BLEEDER PLUG 
20. INSTALL REAR DISC BRAKE BLEEDER PLUG CAP 
21. INSTALL REAR WHEEL CYLINDER CUP KIT 
    1. Apply the lithium soap base glycol grease to the parts indicates by arrows (See REAR DRUM BRAKE  ).
    2. Install the 2 wheel cylinder cups to each piston.
    3. Install the compression spring and 2 pistons to the wheel cylinder.
    4. Install are 2 new cylinder dust boots to the wheel cylinder.
22. INSTALL LH, FRONT OR UPPER REAR WHEEL BRAKE CYLINDER ASSY 
    1. Install the wheel cylinder with the 2 bolts.

       Torque: 10 N.m (100 kgf.cm, 7 ft.lbf) 

    2. Using SST, connect the brake tube.

       SST 09751-36011

       Torque: 15 N.m (155 kgf.cm, 11 ft.lbf) 

       Fig 11: Installing LH, Front Or Upper Rear Wheel Brake Cylinder Assy

       Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
23. APPLICATION HIGH TEMPERATURE GREASE 
    1. Apply the high temperature grease to the parts indicates by arrows (See REAR DRUM BRAKE  ).
24. INSTALL PARKING BRAKE SHOE LEVER LH 
    1. Install the parking brake shoe lever with a new C-washer.
       Fig 12: Installing Parking Brake Shoe Lever LH

       Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
25. INSTALL REAR BRAKE AUTOMATIC ADJUST LEVER LH 
    1. Install the automatic adjust lever and automatic adjust lever spring to the rear brake shoe with the E-ring.
       Fig 13: Installing Rear Brake Automatic Adjust Lever LH

       Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
26. INSTALL REAR BRAKE SHOE 
    1. Using needle-nose pliers, connect the parking brake cable to the parking brake shoe lever.
    2. Using a screwdriver, connect the paring brake cable to the anchor plate.
    3. Using SST, install the rear brake shoe, pin, shoe hold-down spring and 2 cups.

       SST 09718-00010

       Fig 14: Installing Rear Brake Shoe

       Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
27. INSTALL PARKING BRAKE SHOE STRUT SET LH 
    1. Apply the high temperature grease to the part indicated by arrow (See REAR DRUM BRAKE  ).
    2. Install the parking brake shoe strut set LH as shown in the installation.
    3. Connect the shoe return spring to the rear shoe.
       Fig 15: Installing Parking Brake Shoe Strut Set LH

       Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
28. INSTALL FRONT BRAKE SHOE 
    1. Using SST, install the front brake shoe, pin, shoe hold-down spring and cup.

       SST 09718-00010

       Fig 16: Installing Front Brake Shoe

       Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
29. CONNECT PARKING BRAKE SHOE STRUT SET LH 
    1. Using SST, connect the tension spring to the front and rear brake shoe.

       SST 09703-30010

       Fig 17: Connecting Parking Brake Shoe Strut Set LH

       Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
30. INSTALL TENSION SPRING 
    1. Connect the tension spring to the front brake shoe.
31. CHECK REAR DRUM BRAKE INSTALLATION 
    1. Check that each part is installed properly.
       NOTE: There should be no oil or grease adhering to the friction surfaces of the shoe lining and drum.
       Fig 18: Checking Rear Drum Brake Installation

       Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
32. INSTALL REAR BRAKE DRUM SUB-ASSY 
33. ADJUST REAR DRUM BRAKE SHOE CLEARANCE 

    HINT:

    If the brake drum cannot be removed easily, do the following steps.

    1. Insert a bent wire or equivalent through the hole in the brake drum, and hold the automatic adjusting lever away from the adjuster.
    2. Using a screwdriver, reduce the brake shoe adjustment by turning the adjuster.
Fig 19: Adjusting Rear Drum Brake Shoe Clearance
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
34. FILL RESERVOIR WITH BRAKE FLUID 
35. BLEED MASTER CYLINDER (See  BLEEDING   ) 

    SST 09023-00101

36. BLEED BRAKE LINE (See  BLEEDING   ) 
37. CHECK FLUID LEVEL IN RESERVOIR 
38. CHECK BRAKE FLUID LEAKAGE 
39. INSTALL REAR WHEEL 

    Torque: 103 N.m (1,050 kgf.cm, 76 ft.lbf) 

40. CHECK PARKING BRAKE LEVER TRAVEL (LEVER TYPE PARKING BRAKE) (See  ADJUSTMENT  ) 
41. CHECK PARKING BRAKE PEDAL TRAVEL (PEDAL TYPE PARKING BRAKE) (See  ADJUSTMENT  ) 
42. ADJUST PARKING BRAKE LEVER TRAVEL (LEVER TYPE PARKING BRAKE) (See  ADJUSTMENT  ) 
43. ADJUST PARKING BRAKE PEDAL TRAVEL (PEDAL TYPE PARKING BRAKE) (See  ADJUSTMENT  )