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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 >> Removal [10/2014 - ] >> Procedure

Removal [10/2014 - ]: Procedure

  1. DRAIN BRAKE FLUID 
    NOTE:

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

  2. REMOVE WINDSHIELD WIPER MOTOR AND LINK ASSEMBLY 

    (Refer to REMOVAL [10/2014 - ] )

  3. REMOVE FRONT OUTER COWL TOP PANEL SUB-ASSEMBLY 
    1. Disengage the 2 clamps and separate the wire harness from the front outer cowl top panel sub-assembly.
      GTY322274Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the 10 bolts and front outer cowl top panel sub-assembly.
      GTY316543Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. REMOVE COOL AIR INTAKE DUCT SEAL 

    Refer to PROCEDURE - Step 1 and PROCEDURE - Step 1

  5. REMOVE INLET NO. 2 AIR CLEANER 

    Refer to PROCEDURE - Step 18

  6. REMOVE AIR CLEANER CAP SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 7

  7. REMOVE AIR CLEANER FILTER ELEMENT SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 20

  8. REMOVE AIR CLEANER CASE SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 21

  9. REMOVE BRAKE MASTER CYLINDER SUB-ASSEMBLY 
    1. Disengage the clamp and disconnect the reservoir level switch connector.
      GTY316542Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Using a union nut wrench, disconnect the 6 brake lines and remove the brake master cylinder to way tube from the brake master cylinder sub-assembly.
      GTY323102Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:
      • Do not damage or deform the brake lines during the removal procedure.
      • Do not allow any foreign matter such as dirt or dust to enter the brake lines.
    3. Remove the 2 nuts, front No. 1 brake tube way and brake master cylinder sub-assembly from the brake booster assembly.
      GTY544899Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *1 Master Cylinder Piston
      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.
  10. REMOVE BRAKE MASTER CYLINDER O-RING 
    1. Remove the brake master cylinder O-ring from the brake master cylinder sub-assembly.
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