VACUUM CHAMBER INSPECTION [SKYACTIV-G 2.5T]

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1.  Remove the plug hole plate. (See PLUG HOLE PLATE REMOVAL/INSTALLATION [SKYACTIV-G 2.5T].)

2.  Disconnect the vacuum hose from the cylinder head cover.

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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.

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•  If there is air leakage, replace the cylinder head cover. (See TIMING CHAIN REMOVAL/INSTALLATION [SKYACTIV-G 2.5T].)