Lexus IS250 · Service Manual BRAKE

INSPECTION

Inspection


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. C109133E05
      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.

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