Brake Booster Inspection

Brake. Lexus Is250, Is220D. Gse20 Ale20
Brake. Lexus Is250, Is220D. Gse20 Ale20

  1. INSPECT VACUUM CHECK VALVE

Brake Booster -- Inspection



1. INSPECT VACUUM CHECK VALVE


  1. Inspect the vacuum check valve.

    1. Slide the clip and disconnect the vacuum hose.

    2. Remove the vacuum check valve.



    3. Lexus Is250, Is220D. Gse20 Ale20.Brake.Brake System.Brake Booster  Inspection
    4. Check that there is ventilation from the booster to the engine, and no ventilation from the engine to the booster.

      HINT:
      If any fault is found, replace the vacuum check valve.