Lexus ES manuals

Lexus ES: Removal

Lexus ES (XZ10) Service Manual / Brake / Brake Control / Dynamic Control Systems / Brake Actuator (for Gasoline Model) / Removal

REMOVAL

CAUTION / NOTICE / HINT

The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during brake actuator assembly removal/installation are shown below.

Necessary Procedures After Parts Removed/Installed/Replaced

Replaced Part or Performed Procedure

Necessary Procedure

Effect/Inoperative Function when Necessary Procedure not Performed

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Battery terminal is disconnected/reconnected

Perform steering sensor zero point calibration

Lane Control System

Pre-collision System

Parking Support Brake System*

Lighting System

Memorize steering angle neutral point

Parking Assist Monitor System

Panoramic View Monitor System

Initialize power trunk lid system

Power Trunk Lid System

Replacement of brake actuator assembly

Perform acceleration sensor zero point calibration and store system information memorization.
  • VSC is disabled or malfunctions
  • DTCs are output
  • Slip indicator light illuminates
  • ABS warning light illuminates

Operate the electric parking brake switch assembly

Parking brake indicator light (red) blinks when the engine switch is first turned on (IG)

NOTICE:

  • After the engine switch is turned off, the radio receiver assembly records various types of memory and settings. As a result, after turning the engine switch off, make sure to wait at least 85 seconds before disconnecting the cable from the negative (-) battery terminal. (for Audio and Visual System)
  • After the engine switch is turned off, the radio receiver assembly records various types of memory and settings. As a result, after turning the engine switch off, make sure to wait at least 85 seconds before disconnecting the cable from the negative (-) battery terminal. (for Navigation System)

PROCEDURE

1. PRECAUTION

NOTICE:

After turning the engine switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) battery terminal notices before proceeding with work.

2. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL

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NOTICE:

When disconnecting the cable, some systems need to be initialized after the cable is reconnected.

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3. DRAIN BRAKE FLUID

NOTICE:

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

4. REMOVE FRONT WHEEL RH

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5. REMOVE COWL TOP VENTILATOR LOUVER SUB-ASSEMBLY

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6. REMOVE FRONT CENTER UPPER SUSPENSION BRACE SUB-ASSEMBLY

(a) Disconnect the connector.

(b) Disengage the 2 clamps and separate the wire harness.

(c) w/ Windshield Deicer System:

(1) Disconnect the connector.

(2) Disengage the 3 clamps and separate the wire harness.

(d) Remove the 6 bolts, 4 nuts and front center upper suspension brace sub-assembly.

7. REMOVE BRAKE ACTUATOR WITH BRACKET

(a) Release the lock lever and disconnect the connector from the brake actuator assembly.

Release the lock lever

Disconnect the connector

NOTICE:

Be careful not to allow any brake fluid to enter the connector.

(b) Use tags or make a memo to identify the places to reconnect the brake lines.

*a

From 1st Chamber of Brake Master Cylinder Sub-assembly

*b

From 2nd Chamber of Brake Master Cylinder Sub-assembly

*c

To Front Wheel Cylinder Assembly RH

*d

To Rear Wheel Cylinder Assembly LH

*e

To Rear Wheel Cylinder Assembly RH

*f

To Front Wheel Cylinder Assembly LH

(c) Using a union nut wrench, disconnect the 6 brake lines from the brake actuator assembly.

NOTICE:

  • Do not kink or damage the brake lines.
  • Do not allow any foreign matter such as dirt or dust to enter the brake lines from the connecting parts.

(d) Disengage the 2 clamps to remove the No. 4 brake tube clamp from the brake lines.

(e) Using a union nut wrench, disconnect the front No. 3 brake tube while holding the front flexible hose with a wrench.

NOTICE:

  • Do not kink or damage the front No. 3 brake tube.
  • Do not allow any foreign matter such as dirt or dust to enter the front No. 3 brake tube from the connecting parts.

(f) Disengage the clamp and separate the front No. 3 brake tube.

NOTICE:

Do not kink or damage the front No. 3 brake tube.

(g) Move aside the front No. 3 brake tube as shown in the illustration.

NOTICE:

Do not apply excessive force to the front No. 3 brake tube.

(h) Disengage the clamp and remove the brake tube clamp.

(i) Apply protective tape to the vehicle body as shown in the illustration.

Protective Tape

(j) Remove the 2 bolts.

HINT:

Insert the tool from the bottom of the vehicle.

(k) Remove the nut and brake actuator with bracket.

NOTICE:

  • Do not kink or damage the brake lines.
  • Do not allow any foreign matter such as dirt or dust to enter the brake lines from the connecting parts.
  • Be careful not to allow any brake fluid to enter the connector.
  • Do not hold the brake actuator assembly by the connector.
  • Do not drop the brake actuator with bracket when carrying it.

HINT:

Remove the brake actuator with bracket while avoiding the brake lines.

8. REMOVE BRAKE ACTUATOR ASSEMBLY

(a) Remove the 3 bolts and brake actuator assembly from the brake actuator bracket assembly.

NOTICE:

  • Do not hold the brake actuator assembly by the connector.
  • Do not drop the brake actuator assembly when carrying it.

9. REMOVE NO. 2 BRAKE ACTUATOR CASE COLLAR

(a) Remove the 3 nuts.

(b) Remove the 3 No. 2 brake actuator case collars from the brake actuator bracket cushion.

10. REMOVE BRAKE ACTUATOR BRACKET CUSHION

(a) Remove the 3 brake actuator bracket cushions from the brake actuator bracket assembly.

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