Lexus RX (RX 350L, RX450h) 2016-2023 Repair Manual: Removal

Lexus RX (RX 350L, RX450h) 2016-2023 Repair Manual / Brake / Brake (rear) / Rear Brake / Removal

REMOVAL

CAUTION / NOTICE / HINT

HINT:

  • Use the same procedure for the RH side and LH side.
  • The following procedure is for the LH side.

PROCEDURE

1. PRECAUTION

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2. PERFORM REAR BRAKE PAD REPLACEMENT MODE

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3. REMOVE REAR WHEEL

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4. DRAIN BRAKE FLUID

NOTICE:

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

5. SEPARATE REAR FLEXIBLE HOSE

(a) Remove the union bolt and gasket, and disconnect the rear flexible hose from the rear disc brake cylinder assembly.

6. DISCONNECT NO. 2 PARKING BRAKE WIRE ASSEMBLY

(a) Disconnect the No. 2 parking brake wire assembly connector from the parking brake actuator assembly.

NOTICE:

  • 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.

7. REMOVE PARKING BRAKE ACTUATOR ASSEMBLY

(a) Using a 5 mm hexagon socket wrench, remove the 2 bolts and parking brake actuator assembly from the rear disc brake cylinder assembly.

NOTICE:

  • 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.

(b) Remove the O-ring from the rear disc brake cylinder assembly.

8. REMOVE REAR DISC BRAKE CYLINDER ASSEMBLY

(a) Hold the 2 rear disc brake cylinder slide pins and remove the 2 bolts and rear disc brake cylinder assembly.

*a

Turn

*b

Hold

9. REMOVE REAR DISC BRAKE PAD

(a) Remove the 2 rear disc brake pads from the rear disc brake cylinder mounting.

10. REMOVE REAR DISC BRAKE ANTI-SQUEAL SHIM

(a) Remove the rear No. 2 disc brake anti-squeal shim from the rear disc brake pad (inside).

*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

(b) Remove the rear No. 1 disc brake anti-squeal shim from the rear disc brake pad (inside).

(c) Remove the rear No. 2 disc brake anti-squeal shim from the rear disc brake pad (outside).

(d) Remove the rear No. 1 disc brake anti-squeal shim from the rear disc brake pad (outside).

(e) Remove the rear disc brake pad wear indicator plate from each rear disc brake pad.

11. REMOVE REAR DISC BRAKE PAD SUPPORT PLATE

(a) Remove the 4 rear disc brake pad support plates from the rear disc brake cylinder mounting.

NOTICE:

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.

12. REMOVE REAR DISC BRAKE CYLINDER SLIDE PIN

(a) 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.

*1

Rear No. 1 Disc Brake Cylinder Slide Pin

*2

Rear No. 2 Disc Brake Cylinder Slide Pin

(b) 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.

NOTICE:

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

*a

Protective Tape

13. REMOVE REAR DISC BRAKE BUSHING DUST BOOT

(a) Remove the 2 rear disc brake bushing dust boots from the rear disc brake cylinder mounting.

14. REMOVE REAR DISC BRAKE CYLINDER MOUNTING

(a) Remove the 2 bolts and rear disc brake cylinder mounting.

15. REMOVE REAR DISC

(a) Put matchmarks on the rear disc and rear axle hub and bearing assembly.

*a

Matchmark

(b) Remove the rear disc.

    Disassembly
    DISASSEMBLY CAUTION / NOTICE / HINT NOTICE: If the rear disc brake cylinder assembly has been disassembled, perform air bleeding for the rear disc brake cylinder assembly. Click here Make sure ...

    Inspection
    INSPECTION PROCEDURE 1. INSPECT PAD LINING THICKNESS (a) Using a ruler, measure the rear disc brake pad lining thickness. Standard Thickness: 9.5 mm (0.374 in.) Minimum Thickness: 1.0 mm (0.0394 ...

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