Lexus ES manuals

Lexus ES: Installation

Lexus ES (XZ10) Service Manual / Brake / Brake System (other) / Brake Booster Pump(for Hv Model) / Installation

INSTALLATION

PROCEDURE

1. INSTALL NO. 1 BRAKE TUBE CLAMP BRACKET

(a) Install the No. 1 brake tube clamp bracket to the brake booster pump assembly with the bolt.

Torque:

7.0 N·m {71 kgf·cm, 62 in·lbf}

2. INSTALL NO. 2 BRAKE ACTUATOR HOSE

(a) Install the No. 2 brake actuator hose to the brake booster pump assembly and slide the clip to secure it.

*a

Identification Mark

Front of the vehicle

NOTICE:

  • Make sure to connect the No. 2 brake actuator hose with its identification mark facing the front of the vehicle.
  • Install the clip within the range shown in the illustration.

3. INSTALL BRAKE BOOSTER PUMP ASSEMBLY

(a) Install the 2 brake booster pump collars and 2 brake booster pump bushings to the brake booster pump assembly as shown in the illustration.

HINT:

Perform this procedure only when replacement of the brake booster pump collars or brake booster pump bushings is necessary.

*1

Brake Booster Pump Collar

*2

Brake Booster Pump Bushing

(b) Install the brake booster pump assembly, brake booster pump bushing and brake actuator case collar to the brake actuator bracket assembly as shown in the illustration.

*1

Brake Booster Pump Collar

*2

Brake Booster Pump Bushing

*a

Union

*b

Connector

*c

Wire Harness

*d

Stud

Install in this Direction

-

-

NOTICE:

  • Be careful not to allow brake fluid to enter the connector.
  • Do not apply excessive force to the brake lines.
  • When installing the brake booster pump assembly to the brake actuator bracket assembly, confirm that the 2 brake booster pump bushings and 2 brake booster pump collars are installed to the brake booster pump assembly.
  • Do not drop the brake booster pump assembly when carrying it.
  • If installing a new brake booster pump assembly, do not remove the hole plugs before connecting the brake lines because the brake booster pump assembly is filled with brake fluid.
  • Do not carry the brake booster pump assembly by the parts shown in the illustration.

(c) Install the nut.

Torque:

6.5 N·m {66 kgf·cm, 58 in·lbf}

(d) Engage the claw and clamp to install the brake booster pump assembly wire harness to the brake actuator bracket assembly.

NOTICE:

Engage the claw and clamp in the order shown in the illustration.

(e) Connect the connector to the brake booster pump assembly and lock the lock lever as shown in the illustration.

Connect the connector

Lock the lock lever

NOTICE:

  • Make sure that the connector is locked securely.
  • Make sure that the connector can be connected smoothly.
  • Do not allow water, oil or dirt to enter the connector.

4. CONNECT ACCUMULATOR TO BRAKE MASTER CYLINDER TUBE

(a) Install the accumulator to brake master cylinder tube to the No. 1 brake tube clamp bracket with the bolt.

Torque:

7.0 N·m {71 kgf·cm, 62 in·lbf}

*a

Torque Wrench Fulcrum Length

*b

Union Nut Wrench

(b) Using a union nut wrench, connect the accumulator to brake master cylinder tube to the brake booster pump assembly.

Torque:

Specified tightening torque :

15.2 N·m {155 kgf·cm, 11 ft·lbf}

NOTICE:

  • Do not kink or damage the accumulator to brake master cylinder tube.
  • Do not allow the accumulator to brake master cylinder tube to twist or interfere with other parts or the vehicle body during tightening.
  • Do not allow any foreign matter such as dirt or dust to enter the accumulator to brake master cylinder tube from the connecting parts.

HINT:

  • Calculate the torque wrench reading when changing the fulcrum length of the torque wrench.

    Click here

  • When using a union nut wrench (fulcrum length of 22 mm (0.866 in.)) + torque wrench (fulcrum length of 162 mm (6.38 in.)):

    13.4 N*m (137 kgf*cm, 10 ft.*lbf)

5. CONNECT NO. 2 BRAKE ACTUATOR HOSE

(a) Connect the No. 2 brake actuator hose to the No. 1 brake actuator tube and slide the clip to secure it.

*a

Identification Mark

Front of the vehicle

NOTICE:

  • When connecting the No. 2 brake actuator hose, face the identification mark up.
  • Install the clip within the range shown in the illustration.

6. BLEED NO. 1 BRAKE ACTUATOR TUBE

Click here

7. FILL RESERVOIR WITH BRAKE FLUID

8. CONNECT CABLE TO NEGATIVE AUXILIARY BATTERY TERMINAL

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9. BLEED BRAKE SYSTEM

Click here

10. INSTALL NO. 1 ENGINE COVER SUB-ASSEMBLY

Click here

11. INSTALL FRONT CENTER UPPER SUSPENSION BRACE SUB-ASSEMBLY

Click here

12. INSTALL COWL TOP VENTILATOR LOUVER SUB-ASSEMBLY

Click here

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