LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 2019 >> RX 450h Base >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Brake System (Rear) (Service Information) >> Rear Brake >> Removal [10/2015 - ] >> Procedure

Removal [10/2015 - ]: Procedure

  1. PRECAUTION 

    Refer to PRECAUTION [10/2015 - ]

  2. PERFORM REAR BRAKE PAD REPLACEMENT MODE 

    Refer to TEST MODE PROCEDURE [10/2015 - 08/2019] , or refer to TEST MODE PROCEDURE [08/2019 - ]

  3. DISCONNECT BRAKE BOOSTER PUMP CONNECTOR 

    Refer to PROCEDURE - Step 2 [10/2015 - 08/2016] , or refer to PROCEDURE - Step 2 [08/2016 - 03/2018] , or refer to PROCEDURE - Step 2 [03/2018 - 08/2018] , or refer to PROCEDURE - Step 2 [08/2018 - 08/2019] , or refer to PROCEDURE - Step 2 [08/2019 - ]

  4. REMOVE REAR WHEEL 

    Refer to PROCEDURE - Step 1 [10/2015 - ]

  5. DRAIN BRAKE FLUID 
    NOTE:

    If brake fluid leaks onto any painted surface, immediately wash it off.

  6. SEPARATE REAR FLEXIBLE HOSE 
    1. Remove the union bolt and gasket, and disconnect the rear flexible hose from the rear disc brake cylinder assembly.
      GTY674181Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. DISCONNECT NO. 2 PARKING BRAKE WIRE ASSEMBLY 
    1. Disconnect the No. 2 parking brake wire assembly connector from the parking brake actuator assembly.
      NOTE:
      • Remove any dirt or foreign matter on and around the connector before performing this work.
      • Do not allow water, oil or dirt to enter the connector.
      GTY674157Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  8. REMOVE PARKING BRAKE ACTUATOR ASSEMBLY 
    1. Using a 5 mm hexagon socket wrench, remove the 2 bolts and parking brake actuator assembly from the rear disc brake cylinder assembly.
      NOTE:
      • Check that there are no brake fluid leaks from the back of the rear disc brake cylinder assembly.
      • If there are any brake fluid leaks, replace the rear disc brake cylinder assembly.
      GTY620177Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the O-ring from the rear disc brake cylinder assembly.
  9. REMOVE REAR DISC BRAKE CYLINDER ASSEMBLY 
    1. Hold the 2 rear disc brake cylinder slide pins and remove the 2 bolts and rear disc brake cylinder assembly.
      GTY669849Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Turn
      *b Hold
  10. REMOVE REAR DISC BRAKE PAD 
    1. Remove the 2 rear disc brake pads from the rear disc brake cylinder mounting.
      GTY674178Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  11. REMOVE REAR DISC BRAKE ANTI-SQUEAL SHIM 
    1. Remove the rear No. 2 disc brake anti-squeal shim from the rear disc brake pad (inside).
      GTY804881Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Rear No. 1 Disc Brake Anti-squeal Shim
      *2 Rear No. 2 Disc Brake Anti-squeal Shim
      *3 Rear Disc Brake Pad Wear Indicator Plate
    2. Remove the rear No. 1 disc brake anti-squeal shim from the rear disc brake pad (inside).
    3. Remove the rear No. 2 disc brake anti-squeal shim from the rear disc brake pad (outside).
    4. Remove the rear No. 1 disc brake anti-squeal shim from the rear disc brake pad (outside).
    5. Remove the rear disc brake pad wear indicator plate from each rear disc brake pad.
  12. REMOVE REAR DISC BRAKE PAD SUPPORT PLATE 
    1. Remove the 4 rear disc brake pad support plates from the rear disc brake cylinder mounting.
      NOTE:

      Each rear disc brake pad support plate has a different shape. Be sure to put an identification mark on each rear disc brake pad support plate so that it can be reinstalled to its original position.

      GTY620142Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  13. REMOVE REAR DISC BRAKE CYLINDER SLIDE PIN 
    1. Remove the rear No. 1 disc brake cylinder slide pin and rear No. 2 disc brake cylinder slide pin from the rear disc brake cylinder mounting.
      GTY648401Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Rear No. 1 Disc Brake Cylinder Slide Pin
      *2 Rear No. 2 Disc Brake Cylinder Slide Pin
    2. Using a screwdriver with its tip wrapped with protective tape, remove the rear disc brake cylinder slide bushing from the rear No. 2 disc brake cylinder slide pin.
      NOTE:

      Do not damage the rear No. 2 disc brake cylinder slide pin.

      GTY671959Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Protective Tape
  14. REMOVE REAR DISC BRAKE BUSHING DUST BOOT 
    1. Remove the 2 rear disc brake bushing dust boots from the rear disc brake cylinder mounting.
      GTY620144Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  15. REMOVE REAR DISC BRAKE CYLINDER MOUNTING 
    1. Remove the 2 bolts and rear disc brake cylinder mounting.
      GTY620145Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  16. REMOVE REAR DISC 
    1. Put matchmarks on the rear disc and rear axle hub and bearing assembly.
      GTY613700Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Matchmark
    2. Remove the rear disc.