The oil filter in the engine is essential for keeping it clean from external contaminants such as dirt and debris. External contaminants can clog engine oil, resulting in improper lubrication.

Because of infrequent oil changes and driving in harsh conditions, the oil filter becomes dirty over time. Changing the oil filter is necessary to ensure the engine oil is clean. It is usually recommended that you change the oil filter every time you change the engine oil. 

How many miles is an oil filter good for?

When you change the oil, you should also change the oil filter. This is because it accumulates billions of contaminant particles and carbon dust over time. The oil in most modern vehicles should be changed every 7,500 to 10,000 miles. Changing the oil filter along with the oil would be ideal.

How long does an oil filter last?

Changing the oil filter depends on various factors:

  1. Under what conditions are you driving? If you drive in off-road conditions, you may need to change the oil filter sooner than usual.
  2. What type of oil are you using? Synthetic oil typically lasts longer than conventional oil. As a result, you may need to change the oil filter less frequently.
  3. If the service engine light is lit up, the oil filter is most likely faulty. Sludge and combustion contaminants can cause an oil filter to fail prematurely. In that case, you have no choice but to replace the oil filter.

The oil filter may last even longer if you do not own a high-performance vehicle and do not drive aggressively. Under that condition, the oil filter should be fine for the two oil changes. If you change your oil every 5,000 miles, the oil filter should last at least 10,000 miles. Changing the oil filter does not depend on the expiry date of oil filters, as filters rarely expire if they’re kept aside.

What causes the oil filter to go bad?

1. Metal shavings: Metal-on-metal contact can cause carbon and metal flakes to enter the engine oil. The oil filter captures these shavings during the circulation of oil through metallic parts.

2. Bypass valve: When the fresh engine oil is thick and cold, it is passed through the bypass valve. Contaminants may be present in the unfiltered oil that passes through the bypass valve. Once the oil has been warmed and circulated through the engine, the oil filter will capture the pollutants.

3. Combustion waste: Chemical residue from combustion clings to the walls of engine cylinders. This waste can be mixed with oil during lubrication and collected in an oil filter.

Signs That You Need to Replace Your Oil Filter:

Some symptoms may indicate that your oil filter needs to be replaced:

  1. The engine is experiencing overheating problems.
  2. The dashboard displays a low oil pressure warning.
  3. Engine knocking and metallic sound.
  4. The engine is experiencing performance issues.
  5. Engine exhaust emits dark-colored smoke.

Can you change the oil filter yourself?

Yes, changing the oil filter at home is simple and can be done by yourself. All you need are some basic tools like a wrench and gloves. Typically, a new oil filter costs around $35 to $75 for regular oil and $65 to $125 for synthetic oil.

How to Change an Oil Filter?

  1. Start the engine for a few minutes. This ensures that the engine oil is warmed up and drained properly.
  2. Unplug the drain plug and allow the oil to drain. Wear gloves and use a bucket to collect the drained oil.
  3. Using a wrench, remove the oil filter near the engine block. Replace the new oil filter. Make sure not to overtighten the filter.
  4. Pour in the fresh engine oil.

FAQs How Often to Change Oil Filter

How often do you change oil filters with synthetic oil?

Synthetic oil lasts longer than regular conventional oil. This is because it contains additives that help it fight dirt and debris. Because synthetic oil requires an oil change every 7,500 to 15,000 miles, you can replace the oil filter at that time.

Does changing the oil filter improve performance?

The oil filter keeps the oil clean and free of contaminants. Engine oil will be maintained properly if the oil filter is changed regularly. This results in proper lubrication of engine parts, which improves the engine’s overall performance.

Can I use the same oil filter twice?

Yes, if the oil filter is in good condition, it can be reused twice. If you change your oil every 3,000 miles, the filter can last up to 6,000 miles. For conventional oil, it is recommended that you replace the oil filter every time you change the oil. This is because conventional oil causes the filter to wear out faster than synthetic oil.

Conclusion

To summarize, the oil filter is essential for keeping engine oil free of external contaminants. Oil filter becomes clogged and bad as the engine oil ages. As a result, it is critical to replace the oil filter with the engine oil. Depending on how you drive and the type of engine oil, you should change the oil filter every 5,000 to 15,000 miles.

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