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1.Remove the ventilation hose from the positive crankcase ventilation valve.
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2.Remove the positive crankcase ventilation valve from the rocker cover.
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3.Reinstall the positive crankcase ventilation valve at the ventilation hose.
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4.Start the engine and run at idle.
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5.Place a finger at the opening of the positive crankcase ventilation valve and check that
vacuum of the intake manifold is felt.
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At this moment, the plunger in the positive crankcase ventilation valve moves back and
forth.
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6.If vacuum is not felt, clean the positive crankcase ventilation valve or replace it.
7.Apply a small amount of new engine oil to the O-ring on the positive crankcase ventilation
valve, and tighthen to the specified torque.
Standard value: 2.5 ± 0.4 N·m
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