More VW Crankcase Breather Hose - J L 078103235K
VW Crankcase Breather Hose - J L 078103235K VW Crankcase Breather Hose - J L 078103235K
SKU: JLL-56884

VW Crankcase Breather Hose - J L 078103235K

Passat

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Description

Details

SKU:
JLL-56884
FCP Euro ID:
644766
GTIN / UPC:
04046283568840
Quality:
Aftermarket

OE Numbers

078103235K

MFG Numbers

56884

Product Information

Engine Crankcase Breather Hose

An engine crankcase breather hose is a primary component of an engine’s positive crankcase ventilation system, funneling pressurized air from the engine crankcase to the air/oil separator, also known as the PCV valve. The PCV valve, or air/oil separator, is designed to capture and remove oil vapors from the pressurized crankcase air, allowing them to drain back to the engine, while the pressurized air is fed to the intake side of the engine and utilized as part of normal combustion.

An engine develops positive crankcase pressure as a byproduct of the overall combustion process. Because of the combination of pressure, heat, and the air/oil-vapor mixture traveling to the PCV valve, the engine crankcase breather hose is a common failure item within the PCV system and is crucial to your car’s engine’s performance and emissions compliance.

Engine Crankcase Breather Hose Failure Symptoms
  • Cracks breaks, leaks: Over time, your engine crankcase breather hose can be easily damaged because of constant exposure to oil vapors, heat, and pressure from the engine. The engine oil can slowly break down the plastic or rubber materials, eventually causing an air leak. This can happen naturally, or because it is damaged from external contact.
  • Broken connectors: Plastic can become brittle over time, especially when exposed to heat and oil, and it’s easy to break one of the securing clips or connectors for a PCV hose, either during removal or during other services.
  • Broken or damaged hose: Soft rubber or brittle plastic, depending on the material of the hose, can result in an obvious hole or split in an engine crankcase breather hose, usually accompanied by one of the other faults listed below.
  • Check Engine Light: Excessive unmetered air from a failed engine crankcase breather hose can result in a CEL for an air intake leak fault or other airflow-related diagnostic trouble codes.
  • Misfire: A severe air intake leak can cause rough running and an engine misfire, a common side effect of a bad engine crankcase breather hose or PCV Valve
  • Oil residue on or around the hose or adjacent components: As engine crankcase vapors escape from a faulty engine crankcase breather hose, the hose, engine block, and adjacent components are likely to become visibly soiled with oil residue and moisture. In the most severe cases, you will smell burning or burnt oil, and you may need to degrease the area to determine the exact cause of the oil residue.

About J L

Founded in 1975 as a two-man operation in the middle of Hamburg, Jürgen Liebisch GmbH (JL / AIC Automotive) has grown into a successful, medium-sized enterprise for the independent automotive aftermarket.

We trade our products worldwide and have evolved into a dynamic problem solver. Today, we operate from our state-of-the-art logistics center in Glinde, near Hamburg. Hanseatic businesspeople are characterized by our down-to-earth nature, authenticity, and reliability. And service is paramount to us.

With our broad product portfolio spanning more than 100 product groups and more than 13,000 items, we create solutions for the independent aftermarket. Our top priority is the successful combination of high-quality products and fair prices, ensuring that even older vehicles remain serviceable. We believe it is important to react flexibly to the market's needs and to recognize new trends at an early stage. In doing so, we benefit from cooperative partnerships with our international network of suppliers and customers.

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