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Rear Brake Pad, Brake Caliper & Brake Rotor: Overhaul

HINT:

Overhaul the RH side by using the same procedures as those for the LH side.

  1. REMOVE REAR WHEEL 
  2. DRAIN BRAKE FLUID 
    NOTE: Wash the brake fluid off immediately if it adheres to any painted surfaces.
  3. DISCONNECT REAR LH FLEXIBLE HOSE 
    1. Remove the union bolt and the gasket from the disc brake cylinder assy rear, then disconnect the flexible hose.
  4. REMOVE REAR DISC BRAKE CYLINDER SLIDE PIN NO. 2 
    1. Remove the rear disc brake cylinder slide pin No. 2.
      Fig 1: Removing Rear Disc Brake Cylinder Slide Pin No. 2
      G03006727Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. REMOVE REAR DISK BRAKE CYLINDER SLIDE PIN 
    1. Remove the rear disc brake cylinder slide pin.
  6. REMOVE DISC BRAKE CYLINDER ASSY REAR LH 
    1. Remove the disc brake cylinder assy rear LH.
      Fig 2: Removing Disc Brake Cylinder Assy Rear LH
      G03006728Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. REMOVE DISC BRAKE PAD KIT REAR (PAD ONLY) 
    1. Remove the 2 brake pads with the anti squeal shim.
  8. REMOVE ANTI SQUEAL SHIM KIT REAR 
    1. Remove the 4 anti squeal shims from each pad.
    2. Using a screwdriver, remove the 2 pad wear indicators from each pad.
  9. REMOVE REAR DISC BRAKE PAD SUPPORT PLATE 
    1. Remove the rear disc brake pad support plate (No. 1) and the rear disc brake pad support plate (No. 2) from the rear disc brake cylinder mounting LH.
  10. REMOVE REAR DISC BRAKE BUSH DUST BOOT 
    1. Remove the 2 rear disc brake bush dust boots from the rear disc brake cylinder mounting LH.
      Fig 3: Removing Rear Disc Brake Bush Dust Boot
      G03006729Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  11. REMOVE REAR DISC BRAKE CYLINDER MOUNTING LH 
    1. Remove the 2 bolts and the rear disc brake cylinder mounting LH.
      Fig 4: Removing Bolts And Rear Disc Brake Cylinder Mounting LH
      G03006730Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  12. REMOVE REAR DISC BRAKE CYLINDER SLIDE BUSH 
    1. Remove the rear disc brake cylinder slide bush from the rear disc brake cylinder slide pin No. 2.
      NOTE: Do not damage the front disc brake cylinder slide pin No. 2.
      Fig 5: Removing Rear Disc Brake Cylinder Slide Bush
      G03006731Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  13. REMOVE CYLINDER BOOT 
    1. Using a screwdriver, remove the cylinder boot.
      NOTE: Do not damage the inner cylinder and cylinder groove.
      Fig 6: Removing Cylinder Boot
      G03006732Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  14. REMOVE REAR DISC BRAKE PISTON 
    1. Place a shop rug between the brake piston and the rear disc brake cylinder sub-assy.
    2. Use compressed air to remove the brake piston from the rear disc brake cylinder sub-assy.
      CAUTION: Do not place your fingers in front of the brake piston when using compressed air.
      NOTE: Do not spatter the brake fluid.
      Fig 7: Removing Rear Disc Brake Piston
      G03006733Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  15. REMOVE PISTON SEAL 
    1. Using a screwdriver, remove the piston seal from the rear disc brake cylinder sub-assy.
      NOTE: Do not damage the inner cylinder and the cylinder groove.
      Fig 8: Removing Piston Seal
      G03006734Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  16. REMOVE REAR DISC BRAKE BLEEDER PLUG CAP 
    1. Remove the bleeder plug cap from the rear disc brake bleeder plug.
  17. REMOVE REAR DISC BRAKE BLEEDER PLUG 
    1. Remove the rear disc brake bleeder plug from the rear disc brake cylinder sub-assy.
  18. INSPECT BRAKE CYLINDER AND PISTON 
    1. Inspect the cylinder bore and the brake piston for rust or scoring.
  19. INSPECT PAD LINING THICKNESS 
    1. Using a ruler, measure the pad lining thickness.

      Standard thickness: 10.0 mm (0.394 in.) 

      Minimum thickness: 1.0 mm (0.039 in.) 

      Fig 9: Inspecting Pad Lining Thickness
      G03006735Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  20. INSPECT REAR DISC BRAKE PAD SUPPORT PLATE 
    1. Inspect the front disc brake pad support plate (No. 1) and the front disc brake pad support plate (No. 2). Make sure that they have sufficient rebound, there are no deformation cracks or wear, and all rust and dirt are cleaned off.
  21. INSPECT DISC THICKNESS 
    1. Using a micrometer, measure the disc thickness.

      Standard thickness: 10.0 mm (0.394 in.) 

      Minimum thickness: 8.5 mm (0.335 in.) 

      Fig 10: Inspecting Disc Thickness
      G03006736Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  22. REMOVE REAR DISC 
    1. Put matchmarks on the rear disc and the axle hub.
      Fig 11: Placing Matchmarks On Rear Disc And Axle Hub
      G03006737Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. 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 12: Removing Rear Disc
      G03006738Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  23. REMOVE PARKING BRAKE SHOE ADJUSTING HOLE PLUG 
    1. Remove the parking brake shoe adjusting hole plug from the rear disc.
  24. INSTALL PARKING BRAKE SHOE ADJUSTING HOLE PLUG 
    1. Install the parking brake shoe adjusting hole plug to the rear disc.
  25. INSTALL REAR DISC 
    1. Aligning the matchmarks, install the rear disc.

      HINT:

      When replacing the rear disc with a new one, select the installation position where the rear disc has the minimum runout.

  26. INSPECT DISC RUNOUT 
    1. Temporarily fasten the rear disc with hub nuts.

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

    2. Using a dial gauge, measure the disc runout 10 mm (0.39 in.) away from the outer edge of the rear disc.

      Maximum disc runout: 0.15 mm (0.0059 in.) 

      Fig 13: Using Dial Gauge To Measure Disc Runout
      G03006739Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. If the disc runout is equal to maximum value or greater, check the bearing play in the axial direction and check the axle hub runout (See ON-VEHICLE INSPECTION ). If the bearing play and axle hub runout are not abnormal, adjust the disc runout or grind it on a "On-car" brake lathe.
  27. ADJUST PARKING BRAKE SHOE CLEARANCE (See step 32 in  OVERHAUL  ) 
  28. TEMPORARILY TIGHTEN REAR DISC BRAKE BLEEDER PLUG 
    1. Temporarily install the rear disc brake bleeder plug to the rear disc brake cylinder sub-assy.
  29. INSTALL REAR DISC BRAKE BLEEDER PLUG CAP 
    1. Install the rear disc brake bleeder plug cap to the rear disc brake bleeder plug.
  30. INSTALL PISTON SEAL 
    1. Apply lithium soap base glycol grease to a new piston seal.
    2. Install the piston seal to the rear disc brake cylinder sub-assy.
  31. INSTALL REAR DISC BRAKE PISTON 
    1. Apply lithium soap base glycol grease to the rear disc brake piston and a new cylinder boot.
      2. Fig 14: Applying Lithium Soap Base Glycol Grease To Rear Disc Brake Piston And New Cylinder Boot
      G03006740Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Install the cylinder boot to the rear disc brake piston.
    3. Install the piston to the rear disc brake cylinder sub-assy.
      NOTE: Do not install the piston forcibly in the disc brake cylinder.
  32. INSTALL CYLINDER BOOT 
    1. Install the cylinder boot to the rear disc brake cylinder sub-assy.
      NOTE:
      • Install the boot securely onto the grooves of the cylinder and the piston.
      • Do not damage the cylinder boot.
      Fig 15: Installing Cylinder Boot To Rear Disc Brake Cylinder Sub-Assy
      G03006741Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  33. INSTALL REAR DISC BRAKE CYLINDER SLIDE BUSH 
    1. Apply lithium soap base glycol grease to a new rear disc brake cylinder slide bush.
      2. Fig 16: Applying Lithium Soap Base Glycol Grease To New Rear Disc Brake Cylinder Slide Bush
      G03006742Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Install the rear disc brake cylinder slide bush to the rear disc brake cylinder slide pin No.2.
  34. INSTALL REAR DISC BRAKE CYLINDER MOUNTING LH 
    1. Install the rear disc brake cylinder mounting LH with the 2 bolts.

      Torque: 78 N.m (799 kgf.cm, 58 ft.lbf) 

      Fig 17: Installing Rear Disc Brake Cylinder Mounting LH With Bolts
      G03006743Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  35. INSTALL REAR DISC BRAKE BUSH DUST BOOT 
    1. Apply lithium soap base glycol grease to the seal surface of 2 new rear disc brake bush dust boots.
      2. Fig 18: Applying Lithium Soap Base Glycol Grease To Seal Surface Of New Rear Disc Brake Bush Dust Boots
      G03006744Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Install the 2 rear disc brake bush dust boots to the rear disc brake cylinder mounting LH.
  36. INSTALL REAR DISC BRAKE PAD SUPPORT PLATE 
    1. Install the rear disc brake pad support plate (No.1) and the rear disc brake pad support plate (No.2) to the rear disc brake cylinder mounting LH.
  37. INSTALL ANTI SQUEAL SHIM KIT REAR 
    1. Apply disc brake grease to the inside of the anti squeal shims and install them and the pad wear indicators to each of the 2 brake pads.
      NOTE:
      • When replacing worn pads, the anti squeal shims must be replaced together with the pads.
      • Install the pad wear indicator and anti squeal shims in the correct positions and directions.
      Fig 19: Applying Disc Brake Grease To Inside Of Anti Squeal Shims
      G03006745Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  38. INSTALL DISC BRAKE PAD KIT REAR (PAD ONLY) 
    1. Install the 2 brake pads w/anti squeal shims to the rear disc brake cylinder mounting LH.
      NOTE: There should be no oil or grease on the friction surface of the pads and the disc.
  39. INSTALL DISC BRAKE CYLINDER ASSY REAR LH 
    1. Install the rear disc brake cylinder assy rear LH.
      Fig 20: Installing Disc Brake Cylinder Assy Rear LH
      G03006746Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  40. INSTALL REAR DISK BRAKE CYLINDER SLIDE PIN 
    1. Apply the lithium soap base glycol grease to the sliding part and the seal surface of the slide pin.
    2. Install the rear disc brake cylinder slide pin.
  41. INSTALL REAR DISC BRAKE CYLINDER SLIDE PIN No. 2 
    1. Apply the lithium soap base glycol grease to the sliding part and the seal surface of the slide pin No. 2.
      2. Fig 21: Applying Lithium Soap Base Glycol Grease To Sliding Part And Seal Surface Of Slide Pin No. 2
      G03006747Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Install the rear disc brake cylinder slide pin No. 2 to the bottom side of the cylinder mounting LH.
      3. Fig 22: Installing Rear Disc Brake Cylinder Slide Pin No. 2 To Bottom Side Of Cylinder Mounting LH
      G03006748Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Fully tighten the rear disc brake cylinder slide pin and the rear disc brake cylinder slide pin No. 2.

      Torque: 43 N.m (440 kgf.cm, 32 ft.lbf) 

  42. CONNECT REAR LH FLEXIBLE HOSE 
    1. Connect the flexible hose with the union bolt and a new gasket.

      Torque: 29 N.m (300 kgf.cm, 21 ft.lbf) 

  43. FILL RESERVOIR WITH BRAKE FLUID (See  BRAKE FLUID  ) 
  44. BLEED MASTER CYLINDER (See  BRAKE FLUID  ) 

    SST 09023-00101

  45. BLEED BRAKE LINE (See  BRAKE FLUID  ) 
  46. CHECK FLUID LEVEL IN RESERVOIR (See  BRAKE FLUID  ) 
  47. CHECK BRAKE FLUID LEAKAGE 
  48. INSTALL REAR WHEEL 

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

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