Crankcase Ventilation Systems - VOLKSWAGEN: Maintenance

Check system for proper operation and clean connecting hoses every 12, 000 miles.

Fig 1: Crankcase Ventilation System (Type 1 & 2)

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

Fig 2: Crankcase Ventilation System (Type 3)

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

Fig 3: Crankcase Ventilation System (Type 4)

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.