7 Symptoms That Indicate It’s Time to Replace Your Oil Filter

Carrying out regular maintenance on your vehicle is essential for keeping it in optimal condition, and one crucial component that often gets overlooked is the oil filter. This small but vital part plays a significant role in maintaining engine health, ensuring clean oil circulates through the system and preventing contaminants from causing wear and tear. With car repair costs rising by 6.5% last year, failing to replace a clogged or failing oil filter can result in expensive repairs down the line.

Neglecting oil filter replacement can compromise your engine’s efficiency, fuel economy, and overall lifespan. Recognising the early signs of a failing oil filter allows you to take proactive action and avoid costly breakdowns. Here are seven key symptoms that indicate it may be time for an oil filter replacement:

1. Decreased Engine Performance

A clogged oil filter restricts oil flow, making it difficult for your engine to receive the lubrication it needs. This can result in:

• Reduced power output
• Slower acceleration
• Increased engine strain In severe cases, the engine may enter "limp mode," significantly reducing performance to prevent further damage.

2. Dirty Exhaust Emissions

When the oil filter is unable to remove contaminants effectively, dirtier oil circulates through the engine, leading to increased emissions. If you notice darker smoke or an unusual smell coming from your exhaust, it could indicate:

• Excessive carbon buildup
• Contaminated oil reaching the combustion chamber
• A potential risk of catalytic converter damage

3. Oil Leaks and Puddles Under the Car

An overused oil filter can cause oil leaks due to blockages or incorrect fitting. If you spot oil puddles beneath your vehicle, check for:

• A faulty or loose oil filter
• Oil seeping from the engine
• Signs of wear on the oil filter housing

4. Dashboard Warning Lights

Most modern vehicles are equipped with oil pressure monitoring systems. If you see the oil change alert or check engine light illuminated, it could indicate an issue with oil circulation due to a clogged oil filter. Ignoring these warnings can lead to more severe engine problems.

5. Increased Fuel Consumption

A struggling engine due to poor oil circulation works harder to perform efficiently, leading to higher fuel consumption. If you notice a significant drop in your miles per gallon (MPG), consider checking your oil filter. Persistently low fuel efficiency could also be linked to:

• Dirty spark plugs
• A malfunctioning oxygen sensor
• General engine wear and tear

6. Unusual Engine Noises

A healthy engine runs smoothly with minimal noise. However, a failing oil filter can result in:

• Knocking or ticking sounds
• Increased friction between engine components
• Premature wear and tear on critical parts like pistons and camshafts If these noises persist, immediate inspection is recommended to avoid costly repairs.

7. Overheating Engine

While the cooling system manages engine temperature, clean oil also helps regulate heat. A clogged oil filter can lead to insufficient lubrication, causing:

• Increased friction and overheating
• Higher engine temperatures, potentially leading to breakdowns
• Risk of severe internal engine damage

How Often Should You Replace Your Oil Filter?

The general recommendation is to replace the oil filter every time you change your engine oil, which is typically every 5,000 to 10,000 miles, depending on your vehicle and driving conditions. Always consult your vehicle’s owner manual for specific recommendations.

Conclusion

Replacing your oil filter is a simple yet essential maintenance task that can prevent significant engine issues. By staying vigilant and recognising the early signs of a failing oil filter, you can protect your vehicle from performance declines, costly repairs, and potential breakdowns.

At Drift Bridge Group, we recommend using high-quality, manufacturer-approved oil filters to ensure optimal engine performance. If you’re unsure whether your oil filter needs replacing, book a service appointment with our expert technicians today.