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Vacuum Chamber Inspection

  1. Remove the plug hole plate. (Refer to PLUG HOLE PLATE REMOVAL/INSTALLATION .)
  2. Disconnect the vacuum hose from the cylinder head cover.
    Fig 1: Identifying Cylinder Head Cover Vacuum Hose
    G10946801Courtesy of MAZDA MOTORS CORP.
  3. Apply negative pressure (-94 kPa {-705 mmHg, -28 inHg}  ) on the port A for one minute to check for the leakage of negative pressure.
    Fig 2: Identifying Vacuum Chamber Port
    G10946802Courtesy of MAZDA MOTORS CORP.
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