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Home >> Toyota >> 2017 >> Avalon XLE Plus >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Brake System (Hydraulic) - Service Information - (Except Hybrid) >> Brake Booster >> Inspection [10/2014 - ] >> Procedure

Inspection [10/2014 - ]: Procedure

  1. INSPECT BRAKE VACUUM CHECK VALVE ASSEMBLY 
    1. Check that there is ventilation from the booster side to the engine side, and no ventilation from the engine side to the booster side of the brake vacuum check valve assembly.
      GTY586792Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *a Ventilation
      *b No Ventilation
      *c Engine Side
      *d Booster Side

      If the results are not as specified, replace the brake vacuum check valve assembly.