How to Check Your Car's Oil Level

Published on Oct 17, 2024

5 min read
How to Check Your Car's Oil Level

Did you know nearly 70% of engine wear occurs during the first few minutes after starting your car? This startling fact highlights the importance of maintaining proper oil levels in your vehicle. Checking your car's oil level is crucial for ensuring the longevity and performance of your engine. Aside from choosing the best engine oils for your vehicle, it’s equally important to regularly check your oil levels. In this blog post, we’ll guide you through the steps to check your car's oil level effectively, so you can keep your engine running smoothly and avoid costly repairs.

How to Check Engine Oil Level:

To check your car's oil level, follow these simple steps:

  1. Park on a Level Surface: Ensure your vehicle is on a flat surface.
  2. Turn Off the Engine: Wait a few minutes for the oil to settle.
  3. Locate the Dipstick: Open the hood and find the dipstick.
  4. Remove and Clean: Pull out the dipstick, wipe it clean, and reinsert it.
  5. Check the Level: Remove it again to see where the oil level falls on the markings.
  6. Add Oil if Necessary: If it's low, add oil as needed.

Now, let’s dive into each step in detail!

Understanding Engine Oil

What Does Engine Oil Serve As?

Engine oil serves as a lubricant for moving parts within your engine. It reduces friction, helps cool components, and prevents rust and corrosion. Regularly checking and maintaining your oil levels is essential for optimal engine performance.

Why is Low Oil Dangerous?

Low oil levels can lead to increased friction and overheating, which may result in severe engine damage. Regular checks can help you catch issues before they escalate.

Step-by-Step Guide to Checking Your Car's Oil Level

Step 1: Park on a Level Surface

Before you begin, make sure that your vehicle is parked on a flat surface. This step is crucial for getting an accurate reading of your oil level.

Step 2: Turn Off the Engine

After driving, let your engine cool down for about five minutes. This pause allows the oil to settle back into the oil pan, providing a more accurate measurement.

Step 3: Locate the Dipstick

Open your car's hood and locate the dipstick. It usually has a brightly colored handle (often yellow or orange) for easy identification.

Step 4: Remove and Clean

Pull out the dipstick carefully. Wipe it clean with a lint-free cloth or paper towel to remove any old oil residue. This step ensures that you get a clear reading when you insert it back.

Step 5: Check the Oil Level

After wiping the dipstick clean, fully insert it back into its tube, ensuring it's seated completely. Pull it out again and carefully examine the oil level. Most dipsticks have two key indicators near the end:

  1. Full Mark: This is usually indicated by a line, hole, or crosshatching near the top of the dipstick. If the oil reaches this mark, the oil level is optimal, and no additional oil is needed.
  2. Above the Full Mark: This indicates the engine has too much oil, which can lead to increased pressure in the crankcase, potentially causing leaks or damage to seals. In this case, you should drain some oil to bring it down to the proper level. Overfilling is just as harmful as running low on oil.
  3. Between the Full and Low Marks: This is perfectly normal. The oil level should be somewhere in this range, ideally closer to the Full mark but not exceeding it.
  4. Low Mark: This is typically a line, hole, or the bottom of the crosshatched area. If the oil level falls below this mark, it indicates that more oil is needed.

The oil should be within the crosshatched area or between the two lines. If the level is near or below the lower mark, add oil gradually and recheck to avoid overfilling.

Step 6: Add Oil if Necessary

If you find that your oil level is low, you'll need to add more oil. Refer to your owner’s manual for the correct type of oil for your vehicle. Use a funnel to avoid spills, and add small amounts at a time until you reach the desired level.

Tips for Maintaining Your Car’s Oil Levels

Regular Checks

Make it a habit to check your oil level every month or before long trips. This practice can save you from unexpected breakdowns.

Know When to Change Your Oil

Typically, it's recommended to change your engine oil every 5,000 to 7,500 miles but always refer to your owner’s manual for specific guidance based on your vehicle's make and model.

Use Quality Oil

Investing in high-quality motor oil can make a significant difference in engine performance and longevity.

Common Mistakes When Checking Oil Levels

Not Waiting Long Enough

Failing to let your engine cool down can lead to inaccurate readings. Always give it at least five minutes after turning your car off.

Forgetting to Clean the Dipstick

Skipping this step can result in misreading due to old residue on the dipstick.

Overfilling with Oil

Adding too much oil can lead to increased pressure in the engine and potential leaks. Always add gradually!

The Importance of Using Correct Oil Types

Understanding Viscosity Ratings

Engine oils come with viscosity ratings that indicate their thickness at different temperatures (e.g., 5W-30). The first number represents how easily it flows in cold temperatures (the "W" stands for winter), while the second number indicates its thickness at operating temperature.

Synthetic vs. Conventional Oils

Synthetic oils are engineered for better performance under extreme conditions compared to conventional oils. They offer superior protection against wear and tear but often come at a higher price point.

Signs You Need an Oil Change

Dark or Gritty Oil

If you notice that your oil appears dark or has particles floating in it, it's time for an oil change.

Unusual Engine Noises

If you hear knocking or grinding noises from under the hood, low or dirty oil might be causing insufficient lubrication.

Warning Light on the Dashboard

Most modern vehicles come equipped with an oil pressure warning light on their dashboard. If this light illuminates while driving, stop immediately and check your oil level.

Conclusion: Keep Your Engine Happy!

Regularly checking your car’s oil level is one of those simple yet vital tasks that can save you from significant headaches down the road. By following these steps—parking on a flat surface, letting the engine cool down, locating and cleaning the dipstick—you’ll ensure that your vehicle remains in top shape.

So grab that dipstick today! Your engine will thank you for it!

Frequently asked questions

How often should I check my car's oil level?

It’s advisable to check your car’s oil level at least once a month or before long trips.

What should I do if my oil is black?

Black oil may indicate that it's time for an oil change but do not forget to clean the dipstick since skipping this step can result in misreading due to old residue on the dipstick. Check with a professional if you're unsure.

Can I check my oil when my car is hot?

While you technically can check hot oil levels, it's best practice to wait until the engine cools down for an accurate reading. Always give it at least five minutes after turning your car off.

What happens if I don’t have enough oil?

Running low on oil can cause serious damage to your engine due to increased friction and overheating.

How do I know what type of oil my car needs?

Refer to your owner's manual for specific recommendations regarding viscosity and type of motor oil suitable for your vehicle.