9-3 (9440) L4-2.0L Turbo (2007)
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3. Check that the diaphragm is intact. If the diaphragm is damaged, the vacuum is relieved.
4. Pump up an overpressure in the valve.
5. Check that the diaphragm is intact. If the diaphragm is damaged, the overpressure is relieved.
6. Detach the pump.
7. Connect the vacuum hose.
