Brake Actuator: Installation: Installation

WARNING: This page is about a different car, the 2011 Lexus IS 350 and 2011 Lexus IS 250. However, it is still accessible from the selected car via links, so may be relevant.

INSTALL BRAKE ACTUATOR BRACKET ASSEMBLY
1. Install the 3 brake actuator bolt case cushions and 3 brake actuator bolt collars to the brake actuator bracket assembly.
  
  Fig 1: Identifying Brake Actuator Bracket Assembly
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSTALL BRAKE ACTUATOR ASSEMBLY
1. Install the brake actuator assembly to the brake actuator bracket assembly with the 3 bolts.
  Torque: 5.4 N.m (55 kgf cm, 48 in. lbf)
  NOTE:
  - Do not remove the hole plugs before installing a new brake actuator assembly because the brake actuator is filled with brake fluid.
  - Do not carry the brake actuator assembly by the connector.
  - Tighten the 3 bolts in the order shown in the illustration.
  Fig 2: Identifying Tightening Sequence Of Brake Actuator Assembly Bolts
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSTALL BRAKE ACTUATOR ASSEMBLY WITH BRACKET
1. Temporarily install the brake actuator assembly with bracket.
  
  Fig 3: Installing Brake Actuator Assembly With Bracket
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Install the brake actuator with bracket to the body with the 2 bolts and nut.
  
  Fig 4: Identifying Brake Actuator With Bracket, Bolts & Nut
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Torque: 19 N.m (194 kgf cm, 14 ft. lbf)
  NOTE:
  - Do not damage the brake lines or wire harness.
  - Tighten the 2 bolts and nut in the order shown in the illustration.
3. Install the No. 1 front brake line and No. 1 rear brake line to the clamp.
  
  Fig 5: Identifying Brake Lines & Clamp
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. Install the vacuum hose and clip to the check valve.
  
  Fig 6: Identifying Vacuum Hose & Check Valve
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
5. Temporarily tighten each brake tube to the correct positions of the brake actuator assembly with bracket as shown in the illustration.
  
  Fig 7: Identifying Hose Reconnection Locations
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  HINT:
  - *1: To Front Wheel Cylinder RH
  - *2: To Front Wheel Cylinder LH
  - *3: To Rear Wheel Cylinder RH
  - *4: To Rear Wheel Cylinder LH
  - *5: From 1st of Master Cylinder
  - *6: From 2nd of Master Cylinder
6. Using a union nut wrench, fully tighten each brake line.
  without a union nut wrench
  
  Torque: 15 N.m (155 kgf cm, 11 ft. lbf)
  
  with a union nut wrench (10 mm)
  
  Torque: 14 N.m (143 kgf cm, 10 ft. lbf)
  NOTE:
  - Use a torque wrench with a fulcrum length of 250 mm (9.84 in.).
  - This torque value is effective when the union nut wrench is parallel to the torque wrench.
  Fig 8: Identifying Fulcrum Length
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
7. Connect the brake actuator connector.
  
  Fig 9: Connecting Brake Actuator Connectors
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  NOTE:
  - Make sure that the actuator connector can be connected smoothly. Do not allow water, oil or dirt to enter.
  - Make sure that the connector is locked securely.
INSTALL BRAKE MASTER CYLINDER SUB-ASSEMBLY
HINT:

Refer to the instructions for installation of the brake master cylinder sub-assembly. Refer to INSTALLATION .
CONNECT CABLE TO NEGATIVE BATTERY TERMINAL
ADD RESERVOIR WITH BRAKE FLUID . Refer to BLEEDING - Step 1
BLEED BRAKE MASTER CYLINDER SUB-ASSEMBLY . Refer to BLEEDING - Step 2
BLEED BRAKE LINE . Refer to BLEEDING - Step 3
BLEED BRAKE ACTUATOR ASSEMBLY . Refer to BLEEDING - Step 4
INSPECT FLUID LEVEL IN RESERVOIR . Refer to BLEEDING - Step 5
INSPECT FOR BRAKE FLUID LEAKAGE
INSTALL FRONT WHEEL
Torque: 103 N.m (1, 050 kgf cm, 76 ft. lbf)
PERFORM YAW RATE AND ACCELERATION SENSOR ZERO POINT CALIBRATION
HINT:

Refer to CALIBRATION
INSPECT SENSOR SIGNAL
HINT:

Refer to TEST MODE PROCEDURE
INSPECT ACTUATOR USING TECHSTREAM
HINT:

Refer to ON-VEHICLE INSPECTION