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Home >> Lexus >> 2021 >> ES 350 Luxury >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Brake System (Hydraulic) - Service Information (2 Of 2) >> VACUUM WARNING SWITCH (for Gasoline Model) >> Installation [06/2018 - 08/2020] >> Procedure

Installation [06/2018 - 08/2020]: Procedure

  1. INSTALL CHECK VALVE GROMMET 
    1. Install a new check valve grommet to the brake booster assembly.
  2. INSTALL VACUUM WARNING SWITCH ASSEMBLY 
    1. Install the vacuum warning switch assembly to the brake booster assembly as shown in the illustration.
      GTY771165Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a 30° +/- 20°
      Up
    2. Connect the connector to the vacuum warning switch assembly.
  3. INSTALL BATTERY 

    Refer to INSTALLATION [06/2018 - ]

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