Crankcase ventilation

The crankcase ventilation system captures gases from the crankcase and pistons. Inside the crankcase, engine oil mixes with air, which consists of combustion gases and oil vapours. This combination of vapours must never be released into the atmosphere. Therefore, the crankcase ventilation system captures the vapours and directs them to the intake manifold to be further processed by the engine. This ventilation system also supplies clean air to the engine.

Crankcase ventilation blockage

A blocked crankcase ventilation system is a common problem. The blockage affects the engine's performance. This blockage occurs in the crankcase ventilation hose, where oil residues and moisture accumulate. During winter, the moisture freezes, causing the hose to crack. The oil also deteriorates the rubber of the hoses.

One symptom of a faulty ventilation system is a sputtering engine. Other symptoms of a defect include:

an illuminated engine warning light,
fluctuating engine speed,
high oil consumption,
a hissing sound near the crankcase.

Experiencing any of these issues? Check your crankcase and replace the crankcase ventilation system if necessary.

Crankcase ventilation replacement cost

If your crankcase ventilation hose is blocked or the component has another defect, you will need to replace the crankcase ventilation system. At Winparts, you'll find individual crankcase ventilation hoses as well as complete crankcase ventilation kits. With Winparts products, you can replace crankcase ventilation components quickly and affordably. Enter your registration number or car details on the website to find all the parts that are suitable for your car.

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Crankcase ventilation

The crankcase ventilation system captures blow-by gases from the crankcase and vents them correctly. It's crucial that this system functions properly, as it prevents harmful gases from being released into the atmosphere. Instead, these gases are directed along with clean air through the intake manifold and into the engine's combustion process. A faulty crankcase ventilation system can lead to engine problems. You can find individual ventilation components or complete crankcase ventilation kits at Winparts. Enter your registration number or car details on our website to find guaranteed compatible products.

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