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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Brake System (Hydraulic) - Service Information >> BRAKE BOOSTER (for Gasoline Model) >> Reassembly [12/2019 - 10/2022] >> Procedure

Reassembly [12/2019 - 10/2022]: Procedure

  1. INSTALL VACUUM WARNING SWITCH ASSEMBLY (w/o Stop and Start System) 
    1. Install a new grommet to the brake booster assembly.
    2. Install the vacuum warning switch assembly to the brake booster assembly as shown in the illustration.
      GTY934444Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a 45° +/- 20°
      Up
  2. INSTALL VACUUM SENSOR ASSEMBLY (w/ Stop and Start System) 
    1. Install a new grommet to the brake booster assembly.
    2. Install the vacuum sensor assembly to the brake booster assembly as shown in the illustration.
      GTY871274Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a 45° +/- 20°
      Up
  3. INSTALL BRAKE VACUUM CHECK VALVE ASSEMBLY 
    1. Install a new grommet to the brake booster assembly.
    2. Install the brake vacuum check valve assembly to the brake booster assembly.
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