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Connecting Hoses & Pipes

All crankcase ventilation systems use connecting hoses and pipes to carry crankcase gases, engine vacuum and/or outside air. Hoses and pipes should be checked for clogging and leaks and replaced as necessary.

NOTE: Following figures are representative of typical crankcase ventilation systems for various manufacturers.
Fig 1: Crankcase Ventilation System (4-Cylinder)
G65040Courtesy of VOLVO CARS OF NORTH AMERICA.
Fig 2: Crankcase Ventilation System (6-Cylinder)
G65041Courtesy of VOLVO CARS OF NORTH AMERICA.
Fig 3: Crankcase Ventilation System (Turbo)
G65042Courtesy of VOLVO CARS OF NORTH AMERICA.