Lexus RX (RX 350L, RX450h) 2016-2022 Repair Manual: Replacement

REPLACEMENT

CAUTION / NOTICE / HINT

NOTICE:

After replacing the rear disc brake pads, the brake pedal may feel soft due to clearance between the rear disc brake pads and rear disc. Depress the brake pedal several times until the brake pedal feels firm.

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. SEPARATE REAR FLEXIBLE HOSE

(a) Remove the bolt and separate the rear flexible hose.

5. DISCONNECT NO. 2 PARKING BRAKE WIRE ASSEMBLY

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6. SEPARATE REAR DISC BRAKE CYLINDER ASSEMBLY

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

*a Turn *b Hold

7. REMOVE REAR DISC BRAKE PAD

CAUTION:

Be careful not to get pinched by the rear disc brake cylinder assembly or other parts when removing the rear disc brake pads.

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

8. REMOVE REAR DISC BRAKE ANTI-SQUEAL SHIM

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9. INSTALL REAR DISC BRAKE ANTI-SQUEAL SHIM

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10. INSTALL REAR DISC BRAKE PAD

CAUTION:

Be careful not to get pinched by the rear disc brake cylinder assembly or other parts when installing the rear disc brake pads.

(a) Using SST, push in the rear disc brake piston. SST: 09719-77010 NOTICE: Make sure the brake fluid does not overflow from the reservoir. Do not forcibly push in the rear disc brake piston.

(b) Install the 2 rear disc brake pads to the rear disc brake cylinder mounting.

NOTICE:

Install the rear disc brake pad so that the rear disc brake pad wear indicator plate is mounted on the lower side of the vehicle.

HINT:

If the rear disc brake pad has an identification mark, be sure to confirm the installation location.

*A	for TMC Made
*B	for TMMC Made
*a	Inner Side (Light Blue)
*b	Outer Side (Pink)
*c	Inner Side (White)
*d	Outer Side (White)

11. INSTALL REAR DISC BRAKE CYLINDER ASSEMBLY

(a) Hold the 2 rear disc brake cylinder slide pins, and install the rear disc brake cylinder assembly to the rear disc brake cylinder mounting with 2 new bolts.

Torque:

34.3 N·m {350 kgf·cm, 25 ft·lbf}

12. CONNECT NO. 2 PARKING BRAKE WIRE ASSEMBLY

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13. INSTALL REAR FLEXIBLE HOSE

(a) Install the rear flexible hose with the bolt.

Torque:

18.8 N·m {192 kgf·cm, 14 ft·lbf}

14. INSPECT BRAKE FLUID LEVEL IN RESERVOIR

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15. INSTALL REAR WHEEL

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16. NORMAL CONDITION RECOVERY

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