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Checking the charge air bypass valve, V6

  1. Disconnect the vacuum hose from the charge air bypass valve.
    Fig 1: Illustration For Steps 1-3
    G03656395Courtesy of SAAB-SCANIA OF AMERICA, INC.
  2. Connect the pressure/vacuum pump, 30 14 883 PRESSURE/VACUUM PUMP , and build negative pressure in the valve.
  3. Check that the diaphragm is intact. If the diaphragm is damaged, no vacuum can be created.
  4. Repeat points 2 and 3 but pump up a pressure.
    Fig 2: Illustration For Steps 4-6
    G03656396Courtesy of SAAB-SCANIA OF AMERICA, INC.
  5. Disconnect the pump.
  6. Connect the vacuum hose.
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