Key points
- High mileage oil is designed to compensate for the wear and tear that occurs in engines with higher mileage.
- Can I use high mileage oil in a new car.
- It is not recommended to use high mileage oil in a new car.
High mileage oil is specifically formulated for vehicles with higher mileage, typically those with over 75,000 miles. It contains additives designed to reduce friction, protect against wear, and improve overall engine performance. However, a common concern among motorists is whether high mileage oil can swell seals.
Understanding Seals in Your Engine
Seals are crucial components in an engine, preventing leaks and maintaining proper lubrication. They are made of various materials, including rubber, silicone, and metal.
The Role of High Mileage Oil
High mileage oil is designed to compensate for the wear and tear that occurs in engines with higher mileage. It contains additives that help to:
- Reduce friction between moving parts
- Protect metal surfaces from wear
- Improve oil flow and lubrication
Does High Mileage Oil Swell Seals?
The short answer is: no. High mileage oil does not swell seals.
The additives in high mileage oil are designed to condition and protect seals, not damage them. They help to maintain the seals’ flexibility and prevent them from becoming brittle or cracked.
Benefits of Using High Mileage Oil
Using high mileage oil in vehicles with higher mileage offers several benefits, including:
- Reduced wear and tear on engine components
- Improved oil flow and lubrication
- Reduced friction and heat buildup
- Extended engine life
When to Use High Mileage Oil
It is recommended to start using high mileage oil when your vehicle reaches 75,000 miles or as specified in your owner’s manual. This helps to protect your engine from the increased wear and tear that occurs with higher mileage.
Signs of Seal Failure
If seals fail, you may notice symptoms such as:
- Oil leaks
- Reduced oil pressure
- Engine overheating
- Unusual engine noises
Takeaways: Debunking the Myth
High mileage oil does not swell seals. It is specially formulated to protect and condition seals, ensuring proper lubrication and preventing premature wear and tear. By using high mileage oil, you can extend the life of your engine and maintain its optimal performance.
What You Need to Learn
Q: Can high mileage oil cause other damage to my engine?
A: No, high mileage oil is designed to protect and improve engine performance.
Q: How often should I change my high mileage oil?
A: Refer to your owner’s manual for recommended oil change intervals, which may be shorter than for regular oil.
Q: Can I use high mileage oil in a new car?
A: It is not recommended to use high mileage oil in a new car. Use the oil recommended by the manufacturer.
Q: What are the signs of a bad seal?
A: Oil leaks, reduced oil pressure, engine overheating, and unusual engine noises.
Q: Can I replace engine seals myself?
A: It is not recommended to replace engine seals without proper training and equipment. Seek professional assistance.