GM Service Manual Online
For 1990-2009 cars only
Makes
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Oldsmobile
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1998
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Cutlass
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Engine
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Engine Controls - 2.4L
🢒 Crankcase Ventilation System Diagnosis
Results of Incorrect Operation
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A plugged oil/air separator or hose may cause:
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Oil leaks due to high crankcase pressure.
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Sludge in engine due to inadequate scavenging of crankcase vapors.
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A leaking oil/air separator or hose could cause oil leaks from separator or hose.