PCV system
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==Why a PCV system is needed== | ==Why a PCV system is needed== | ||
| − | Positive | + | Positive crankcase ventilation (PCV) is needed to help remove the acidic gaseous buildup inside the crank case. This is caused by combustion gas blowby around the rings as well as fumes released as the oil gets hot. It also helps ring seal by creating a slight vacuum below the rings. |
==History== | ==History== | ||
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