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Home >> Toyota >> 2017 >> Avalon XLE Plus >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Brake System (Hydraulic) - Service Information - (Except Hybrid) >> Brake Master Cylinder >> Installation [10/2014 - ] >> Procedure

Installation [10/2014 - ]: Procedure

  1. INSPECT AND ADJUST BRAKE BOOSTER PUSH ROD 

    See step  1

  2. INSTALL BRAKE MASTER CYLINDER O-RING 
    1. Install a new brake master cylinder O-ring to the brake master cylinder sub-assembly.
  3. INSTALL BRAKE MASTER CYLINDER SUB-ASSEMBLY 
    NOTE:

    When installing a new brake master cylinder sub-assembly, remove the protectors from the master cylinder piston and outlet ports.

    1. Install the brake master cylinder sub-assembly and front No. 1 brake tube way to the brake booster assembly with the 2 nuts.
      GTY544899Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *1 Master Cylinder Piston

      Torque: 13 N*m (127 kgf*cm, 9 ft.*lbf) 

      NOTE:
      • Do not hold the brake master cylinder sub-assembly by the master cylinder piston. Hold the brake master cylinder sub-assembly by its body or its reservoir when carrying it.
      • Do not pull out the master cylinder piston.
      • Do not strike or pinch the master cylinder piston, and do not cause any damage to the master cylinder piston by any other means.
      • When installing the brake master cylinder sub-assembly to the brake booster assembly, or when removing the brake master cylinder sub-assembly from the brake booster assembly, make sure that the brake master cylinder sub-assembly is kept horizontal or with its tip facing downward (the master cylinder piston is facing upward) to prevent the master cylinder piston from falling out.
      • Do not allow any foreign matter to contaminate the master cylinder piston. If any foreign matter gets on the master cylinder piston, remove it by using a piece of cloth and then apply an even layer of lithium soap base glycol grease around the circumference (sliding part) of the master cylinder piston.
      • Do not use any other types of grease.
      • Do not kink or damage the brake lines.
      • Do not allow the brake lines to twist and interfere with other parts or vehicle body during tightening.
      • Do not allow any foreign matter such as dirt or dust to enter the brake lines.
    2. Using a union nut wrench, connect the 6 brake lines and install the brake master cylinder to way tube to the brake master cylinder sub-assembly.
      GTY576088Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *a Torque Wrench Fulcrum Length

      Specified tightening torque (a) 

      Torque: 15 N*m (155 kgf*cm, 11 ft.*lbf) 

      Specified tightening torque (b) 

      Torque: 20 N*m (199 kgf*cm, 14 ft.*lbf) 

      NOTE:
      • Do not kink or damage the brake lines.
      • Do not allow brake lines to twist and interfere with other parts or vehicle body during tightening.
      • Do not allow any foreign matter such as dirt or dust to enter the brake lines.

      HINT: 

      • Calculate the torque wrench reading when changing the fulcrum length of the torque wrench (Refer to PRECAUTION [10/2014 - ] ).
      • When using a union nut wrench (fulcrum length of 22 mm (0.866 in.)) + torque wrench (fulcrum length of 250 mm (9.84 in.)):

        a: 14 N*m (142 kgf*cm, 10 ft.*lbf)

      • When using a union nut wrench (fulcrum length of 20 mm (0.787 in.)) + torque wrench (fulcrum length of 250 mm (9.84 in.)):

        b: 18 N*m (184 kgf*cm, 13 ft.*lbf)

    3. Connect the reservoir level switch connector and engage the clamp.
  4. BLEED BRAKE SYSTEM 

    (Refer to BLEEDING [10/2014 - ] )

  5. INSTALL AIR CLEANER CASE SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 56

  6. INSTALL AIR CLEANER FILTER ELEMENT SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 57

  7. INSTALL AIR CLEANER CAP SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 3

  8. INSTALL INLET NO. 2 AIR CLEANER 

    Refer to PROCEDURE - Step 59

  9. INSTALL COOL AIR INTAKE DUCT SEAL 

    Refer to PROCEDURE - Step 3 and PROCEDURE - Step 3

  10. INSTALL FRONT OUTER COWL TOP PANEL SUB-ASSEMBLY 
    1. Install the front outer cowl top panel sub-assembly with the 10 bolts.

      Torque: 10 N*m (102 kgf*cm, 7 ft.*lbf) 

    2. Engage the 2 clamps to install the wire harness to the front outer cowl top panel sub-assembly.
  11. INSTALL WINDSHIELD WIPER MOTOR AND LINK ASSEMBLY 

    (Refer to PROCEDURE - Step 2 )