As the engine operates, it continuously pumps oil under pressure to reduce friction between metal components. Environmental Considerations and Disposal.
Recognizing the Warning Signs of a Failing Subaru Oil Filter
The Difference Between OEM and Aftermarket Filters When it is time for a replacement, owners often face a choice between Original Equipment Manufacturer (OEM) parts and aftermarket alternatives. In severe cases, a faulty bypass valve might allow unfiltered oil to circulate, causing increased noise from the engine or excessive wear noticeable during acceleration.
Bypass Valve A critical safety feature that opens when the filter media clogs, allowing oil to flow directly to the engine rather than starving it of lubrication. While it may appear to be a simple component, this cylindrical part plays a vital role in filtering contaminants from the oil that lubricates your Subaru’s precision-balanced flat-four or flat-six engine.
Recognizing the Warning Signs of a Failing Subaru Oil Filter
Signs of a Failing Filter Even with regular maintenance, filters degrade over time. Replacing the filter is almost always done in conjunction with an oil change; fresh oil passing through a new filter provides the highest level of engine protection.
More About Subaru oil filter
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