volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

PCV Heater|Specifications|Page 3127 > < PCV Heater|Specifications|Page 3125
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throttle housing.

The restrictor orifice allows small amounts of blow-by gasses to pass during idle. This helps control crankcase pressure.

The crankcase breather heater functions to prevent icing in the crankcase ventilation hoses during cold weather operation.

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