Parking Brake ASSY: Overhaul

HINT:

Replace the RH side using the same procedures as the LH side.

1. REMOVE REAR WHEEL 
2. SEPARATE REAR DISC BRAKE CALIPER ASSY LH 
   1. Remove the 2 bolts and separate the rear disc brake caliper assy LH.

      HINT:

      Do not disconnect the flexible hose from the disc brake caliper assy LH.

3. REMOVE REAR DISC 
   1. Release the parking brake, and remove the rear disc.

      HINT:

      If the disc cannot be removed easily, turn the shoe adjuster until the wheel turns freely.

      Fig 1: Releasing Parking Brake And Removing Rear Disc

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   2. Place matchmarks on the rear disc and the axle hub.
   3. Remove the rear disc.
      Fig 2: Removing Rear Disc

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4. INSPECT BRAKE DISC INSIDE DIAMETER 
   1. Using a brake drum gauge or equivalent tool, measure the inside diameter of the rear disc.
      • Standard inside diameter: 190 mm (7.480 in.) 
      • Maximum inside diameter: 191 mm (7.520 in.) 
      Fig 3: Inspecting Brake Disc Inside Diameter

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5. REMOVE PARKING BRAKE SHOE RETURN TENSION SPRING 
   1. Using needle-nose pliers, remove the 2 parking brake shoe return tension springs No. 1.
      Fig 4: Removing Parking Brake Shoe Return Tension Spring

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
6. REMOVE PARKING BRAKE SHOE STRUT LH 
   1. Remove the parking brake shoe strut LH and the parking brake shoe strut compression spring.
7. REMOVE PARKING BRAKE SHOE ASSY LH NO. 1 
   1. Remove the parking brake shoe hold down spring cup No. 1, parking brake shoe hold down spring and parking brake shoe hold down spring cup No. 2.
   2. FF:

      Remove the parking brake shoe hold down spring pin No. 1.

   3. Disconnect the parking brake shoe return spring No. 2 and remove the parking brake shoe assy LH No. 1.
      Fig 5: Removing Parking Brake Shoe Assy LH No. 1

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
8. REMOVE PARKING BRAKE SHOE ADJUSTING SCREW SET 
   1. Remove the parking brake shoe adjusting screw set.
   2. Remove the parking brake shoe return tension spring No. 2.
      Fig 6: Removing Parking Brake Shoe Adjusting Screw Set

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
9. REMOVE PARKING BRAKE SHOE ASSY LH NO. 2 
   1. Remove the parking brake shoe hold down spring cup No. 1, parking brake shoe hold down spring, parking brake shoe hold down spring cup No. 2 and parking brake shoe hold down spring pin No. 2.
   2. Remove the parking brake shoe assy LH No. 2.
      Fig 7: Removing Parking Brake Shoe Assy LH No. 2

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   3. Using needle-nose pliers, disconnect the parking brake cable No. 3 from the parking brake cable shoe lever.
      NOTE: Be careful not to damage parking brake cable No. 3.
      Fig 8: Disconnecting Parking Brake Cable No. 3

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
10. SEPARATE SPEED SENSOR REAR LH (4WD DRIVE TYPE) (See step 2 in  REPLACEMENT  ) 
11. REMOVE REAR AXLE SHAFT LH NUT (4WD DRIVE TYPE) (See step 3 in  REPLACEMENT  ) 

    SST 09930-00010

12. REMOVE REAR AXLE HUB & BEARING ASSY LH (4WD DRIVE TYPE) (See step 6 in  REPLACEMENT  ) 
13. REMOVE PARKING BRAKE SHOE HOLD DOWN SPRING PIN (4WD DRIVE TYPE) 
    1. Remove the parking brake shoe hold down spring pin No. 1.
       Fig 9: Removing Parking Brake Shoe Hold Down Spring Pin (4WD Drive Type)

       Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
14. REMOVE PARKING BRAKE SHOE TYPE C WASHER 
    1. Using a screwdriver, remove the C-washer.
    2. Remove the shim and parking brake shoe lever from parking brake shoe assy LH No. 2.
       Fig 10: Removing Shim And Parking Brake Shoe Lever From Parking Brake Shoe Assy LH No. 2

       Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
15. INSPECT PARKING BRAKE SHOE LINING THICKNESS 
    1. Using a ruler, measure the thickness of the shoe lining.
       • Standard thickness: 2.5 mm (0.098 in.) 
       • Minimum thickness: 1.0 mm (0.039 in.) 

       If the lining thickness is minimum or less, or if there is severe or uneven wear, replace the brake shoe.

       Fig 11: Inspecting Parking Brake Shoe Lining Thickness

       Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
16. INSPECT BRAKE DISC AND PARKING BRAKE SHOE LINING FOR PROPER CONTACT 
    1. Apply chalk to the inside surface of the disc, then grind down the brake shoe lining to fit disc.

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

       Fig 12: Inspecting Brake Disc And Parking Brake Shoe Lining For Proper Contact

       Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
17. INSTALL PARKING BRAKE SHOE TYPE C WASHER 
    1. Using a feeler gauge, measure the clearance.

       Standard clearance: Less than 0.35 mm (0.014 in.) 

       If the clearance is not within the specifications, replace the shim with one of the correct size.

       PARKING BRAKE SHOE TYPE C WASHER
       
       

       Shim Thickness	Shim Thickness
       0.3 mm (0.012 in.)	0.9 mm (0.035 in.)
       0.6 mm (0.024 in.)	-

       Fig 13: Measuring Clearance

       Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Using pliers, install the parking brake shoe lever LH and the shim with a new C-washer.
       Fig 14: Installing Parking Brake Shoe Lever LH And Shim With C-Washer

       Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
18. APPLY HIGH TEMPERATURE GREASE 
    1. Apply high temperature grease to the area the backing plate makes contact with the shoe.
       Fig 15: Applying High Temperature Grease

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19. INSTALL PARKING BRAKE SHOE HOLD DOWN SPRING PIN (4WD DRIVE TYPE) 
    1. Install the parking brake shoe hold down spring pin No. 1.
       Fig 16: Installing Parking Brake Shoe Hold Down Spring Pin (4WD Drive Type)

       Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
20. INSTALL REAR AXLE HUB & BEARING ASSY LH (4WD DRIVE TYPE) (See step 19 in  REPLACEMENT  ) 
21. INSTALL REAR AXLE SHAFT LH NUT (4WD DRIVE TYPE) (See step 24 in  REPLACEMENT  ) 
22. INSTALL SPEED SENSOR REAR LH (4WD DRIVE TYPE) (See step 25 in  REPLACEMENT  ) 
23. INSTALL PARKING BRAKE SHOE ASSY LH NO. 2 
    1. Using needle-nose pliers, connect the parking brake cable No. 3 to the parking brake cable shoe lever.
       NOTE: Be careful not to damage the parking brake cable No. 3.
       Fig 17: Connecting Parking Brake Cable No. 3 To Parking Brake Cable Shoe Lever

       Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Install the parking brake shoe assy LH No. 2 with the parking brake shoe hold down spring, parking brake shoe hold down spring cup No. 1, parking brake shoe hold down spring cup No. 2 and parking brake shoe hold down spring pin No. 2.
       Fig 18: Installing Parking Brake Shoe Assy LH No .2

       Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
24. INSTALL PARKING BRAKE SHOE ADJUSTING SCREW SET 
    1. Apply high temperature grease to the parking brake shoe adjusting bolt and piece.
       Fig 19: Applying High Temperature Grease To Parking Brake Shoe Adjusting Bolt And Piece

       Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Attach the parking brake shoe return tension spring No. 2 to parking brake shoe assy LH No. 1 and parking brake shoe assy LH No. 2.
    3. Attach the parking brake shoe adjusting screw set to the parking brake shoe assy LH No. 1 and parking brake shoe assy LH No. 2.
    Fig 20: Installing Parking Brake Shoe Adjusting Screw Set

    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
25. INSTALL PARKING BRAKE SHOE ASSY LH NO. 1 
    1. Install the parking brake shoe assy LH No. 1 with the parking brake shoe hold down spring, parking brake shoe hold down spring cup No. 2, parking brake shoe hold down spring cup No. 2 and parking brake shoe hold down spring pin No. 1.
       Fig 21: Installing Parking Brake Shoe Assy LH No. 1

       Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
26. INSTALL PARKING BRAKE SHOE STRUT LH 
    1. Attach the parking brake shoe strut LH and the parking brake shoe strut compression spring to parking brake shoe assy LH No. 2 and parking brake shoe assy LH No. 1.
27. INSTALL PARKING BRAKE SHOE RETURN TENSION SPRING 
    1. Using needle-nose pliers, install the 2 return tension springs No. 1.

       HINT:

       First install the front side spring then the rear side spring.

       Fig 22: Installing Parking Brake Shoe Return Tension Spring

       Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
28. CHECK PARKING BRAKE INSTALLATION 
    1. Check that each part is installed properly.
       NOTE: There should be no oil or grease on the friction surface of the shoe lining and disc.
       Fig 23: Checking Parking Brake Installation

       Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
29. INSPECT BEARING BACKLASH (4WD DRIVE TYPE) (See  ON-VEHICLE INSPECTION  ) 
30. INSPECT AXLE HUB DEVIATION (4WD DRIVE TYPE) (See  ON-VEHICLE INSPECTION  ) 
31. INSTALL REAR DISC 
    1. Aligning the matchmarks, install the rear disc.
32. ADJUST PARKING BRAKE SHOE CLEARANCE 
    1. Temporarily install the hub nuts.
    2. Remove the hole plug, turn the adjuster and expand the shoes until the disc locks.
    3. Contract the shoe adjuster until the disc rotates smoothly.

       Standard: Return 8 notches 

    4. Check that the shoe has no brake drag.
    5. Install the hole plug.
    Fig 24: Adjusting Parking Brake Shoe Clearance

    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
33. CONNECT REAR DISC BRAKE CALIPER ASSY LH 
    1. Install the rear disc brake caliper assy LH with the 2 bolts.

       Torque: 78 N.m (800 kgf.cm, 58 ft.lbf) 

34. INSTALL REAR WHEEL 

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

35. INSPECT PARKING BRAKE PEDAL TRAVEL (See step 4 in  ADJUSTMENT   ) 
36. ADJUST PARKING BRAKE PEDAL TRAVEL (See step 5 in  ADJUSTMENT   ) 
37. CHECK ABS SPEED SENSOR SIGNAL (4WD DRIVE TYPE) (See  PRE-CHECK  )