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Home >> Lexus >> 2021 >> ES 250 Luxury >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Brake System (Hydraulic) - Service Information (2 Of 2) >> VACUUM WARNING SWITCH (for Gasoline Model) >> Removal [06/2018 - 08/2020] >> Procedure

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

  1. PRECAUTION 
    NOTE:

    After turning the engine switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) battery terminal notices before proceeding with work.

  2. REMOVE BATTERY 

    Refer to REMOVAL [06/2018 - 08/2021]

  3. REMOVE VACUUM WARNING SWITCH ASSEMBLY 
    1. Disconnect the connector from the vacuum warning switch assembly.
      GTY766382Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the vacuum warning switch assembly from the brake booster assembly.
  4. REMOVE CHECK VALVE GROMMET 
    1. Remove the check valve grommet from the brake booster assembly.
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