The Truth About Buying Used Cars: What You Need to Know

🔑Always check the condition of a used car, including spark plugs, oil, and signs of burning oil.

🔑If a car's spark plugs are covered in burnt oil or carbon, it indicates engine problems and the car should be avoided.

🔑Front-wheel bearings are a common issue in high-mileage cars and can lead to costly repairs.

🔑Changing a plastic radiator with an aluminum one is a relatively inexpensive repair.

🔑Having a mechanic inspect a used car before purchase can save buyers from future headaches and expenses.

What are some signs of engine problems in a used car?

—Some signs of engine problems include spark plugs covered in burnt oil or carbon, excessive smoke or fumes, and difficulty starting the car.

How can I identify worn-out front wheel bearings?

—You may hear a grating or roaring noise when driving, especially at higher speeds. Steering may also feel off or less responsive.

Can a plastic radiator be repaired?

—It is generally not recommended to repair a plastic radiator as the plastic can become brittle and prone to further cracking. It is best to replace it with an aluminum radiator.

Is it necessary to have a mechanic inspect a used car before buying?

—Having a mechanic inspect a used car can provide valuable insights into its condition and potential issues. It can help buyers make informed decisions and avoid costly surprises.

What are some other important aspects to check in a used car?

—In addition to spark plugs and front wheel bearings, it is important to check the condition of the oil, transmission, brakes, tires, and suspension.

00:02The mechanic explains the importance of checking a used car before buying it.

00:23Checking the condition of the spark plugs can reveal engine problems.

03:15Worn-out front wheel bearings can lead to expensive repairs.

08:38A plastic radiator should be replaced rather than repaired.

09:57Having a mechanic inspect a used car can save buyers from future headaches and expenses.