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Does engine oil capacity include the filter?


As a car owner, understanding your vehicle's maintenance needs is crucial for its longevity and performance. One common question that arises during oil changes is whether the engine oil capacity specified in your owner's manual includes the oil filter. This article will clarify this important aspect of engine maintenance.


Understanding Engine Oil Capacity


Engine oil capacity refers to the total amount of oil your engine requires to operate efficiently. This measurement is typically provided in quarts or liters and can vary significantly between different makes and models of vehicles.


Does It Include the Oil Filter?


The short answer is: it depends. Generally, the engine oil capacity listed in your owner's manual does not include the oil filter. When you change your oil, you will need to account for the additional oil that fills the filter. Here’s a breakdown of why this distinction is important:



  • Oil Filter Capacity: Most oil filters hold a small amount of oil, usually between 0.5 to 1 quart. This means that if you only replace the oil without considering the filter, you might end up with insufficient oil in the engine.

  • Proper Maintenance: To ensure your engine runs smoothly, it’s essential to replace both the oil and the filter at the same time. This helps maintain optimal oil levels and ensures that the oil circulating through your engine is clean.

  • Manufacturer Recommendations: Always refer to your vehicle's owner manual for specific recommendations regarding oil capacity and filter changes. Some manufacturers may provide a combined capacity figure, but this is not the norm.


Conclusion


In summary, when checking your vehicle's oil capacity, remember that the figure provided typically does not include the oil filter. Always ensure you add the appropriate amount of oil to account for the filter's capacity during an oil change. This practice will help maintain your engine's health and performance over time.


Frequently Asked Questions

Is it OK to change oil but not filter?


In a nutshell, skipping the filter change can significantly reduce the effectiveness of your fresh oil change.



How much engine oil does the engine hold including the filter?


Many engines will take between five to six quarts, although some small four-cylinder engines may need closer to four quarts. On the other hand, bigger engines can take up to eight or nine quarts.



What does the 30 or 40 mean in oil?


The smaller the number, the better it will flow. So a 5W-30 will flow easier than a 10W-30 at start-up temperatures and a 10W-30 will flow easier than a 10W-40 at normal engine operating temperatures. This is important, as engine oils naturally thicken as they cool and thin as they are heated.



What is included in a full service oil change?


What Is Included in a Full-Service Oil Change? When you get a full-service change, an auto technician will change your car's motor oil with the type that it needs, which could be conventional, synthetic, synthetic blend, or high-mileage oil. You'll also have your used oil and oil filter replaced and recycled.



How much oil will I lose if I just change the filter?


If any oil does come out during an oil filter replacement, it will only be what is trapped beyond your anti-drain back gasket inside the filter. However, it's important to note that when changing the engine oil, both the oil filter and engine oil must be replaced together.



What is my engine capacity?


You may see your car's engine listed as a three- or four-figure number on your V5C, for example; 2,298cc. This is the exact cubic centimetres of capacity — though for simplicity's sake these are rounded up to litres (each litre contains 1,000 cubic centimetres). In this example, 2,298cc would be rounded to 2.3-litres.



What does capacity with filter mean?


"With filter" means the total amount of oil you need with an emptied sump (i.e. drained engine) and new empty filter.



Is the filter included in an oil change?


What is included in an oil change? A full-service oil change includes up to 5 quarts of Valvoline TM oil, new oil filter and lubrication of chassis components according to your vehicle manufacturer's specifications.



What does engine oil capacity mean?


It's solely the volume of the oil sump and oiling system. So, yes, more cylinders means more crank journals etc but it's negligible. Larger capacity means longer change intervals. That can be good for the engine because some owners don't follow the manual and just go long times before an oil change.



How to know engine oil capacity?


Check on the owner's manual to find out the total capacity of oil recommended for your car. Usually under the `` Engine lubrication'' section on the manual, you should be able to find all the information you need, such as oil capacity and recommended oil viscosity for your car.


Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.