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Home >> Toyota >> 2019 >> Sienna Limited, AWD >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Brake System (Hydraulic) (Service Information) >> Brake Master Cylinder >> Disassembly [12/2015 - ] >> Procedure

Disassembly [12/2015 - ]: Procedure

  1. REMOVE BRAKE MASTER CYLINDER TO WAY TUBE 
    1. Mount the brake master cylinder sub-assembly in a vise.
      NOTE:

      Place aluminum plates on the vise to prevent damage to the brake master cylinder sub-assembly.

    2. Using a union nut wrench (12 mm), remove the brake master cylinder to way tube from the No. 2 brake tube way and brake master cylinder body.
      GTY724373Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. REMOVE NO. 2 BRAKE TUBE WAY 
    1. Remove the No. 2 brake tube way from the brake master cylinder body.
  3. REMOVE BRAKE MASTER CYLINDER RESERVOIR SUB-ASSEMBLY 
    1. Mount the brake master cylinder sub-assembly in a vise.
      NOTE:

      Place aluminum plates on the vise to prevent damage to the brake master cylinder sub-assembly.

    2. Using a pin punch (5 mm) and a hammer, tap out the straight pin, and remove the brake master cylinder reservoir sub-assembly.
      GTY703410Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. REMOVE MASTER CYLINDER RESERVOIR GROMMET 
    1. Remove the 2 master cylinder reservoir grommets from the brake master cylinder reservoir assembly.