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Inspection [12/2015 - ]: Procedure

  1. INSPECT BRAKE VACUUM CHECK VALVE ASSEMBLY 
    1. Check that there is ventilation from the booster to the engine, and no ventilation from the engine to the booster.
      GTY303414Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *a Ventilation
      *b No Ventilation

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