How to Change Engine Oil: 5 Proven Tips

Overview

This DIY oil change guide outlines five essential steps: warming the engine first, properly removing the drain plug and filter, correctly installing a new filter and gasket, adding the right amount of oil, and performing a post-change engine check. Following these steps allows car owners to save money on maintenance while ensuring their engine remains clean and well-functioning through proper oil changes.

Table of Contents

• Before You Begin: Preparation Steps
• Tip #1: Warm Up Your Engine First
• Tip #2: Proper Drain Plug and Filter Removal Techniques
• Tip #3: Installation of New Filter and Gasket
• Tip #4: Adding the Correct Amount of New Oil
• Tip #5: Post-Change Engine Check
• Conclusion
• Frequently Asked Questions

Regular oil changes are the lifeblood of engine maintenance. Like a shower washes away the day’s grime from our bodies, fresh oil cleanses your engine’s internal components from harmful deposits and ensures everything runs smoothly. While you could drive to your local garage and shell out $50-100 for this service, doing it yourself can save serious cash over your vehicle’s lifetime. Plus, there’s something undeniably satisfying about completing maintenance with your own hands. At Knows Your Car, we’ve compiled these five proven tips to help you master the art of the DIY oil change.

Before You Begin: Preparation Steps

Success starts with preparation. Gather these essential tools: oil drain pan, wrench for the drain plug, oil filter wrench, funnel, gloves, and shop rags. Then, consult your owner’s manual to determine the correct oil type, viscosity (like 5W-30 or 10W-40), and filter model. Never guess these specifications—using the wrong oil can damage your engine.

Safety first: Park on a level surface, engage the parking brake, and consider using wheel chocks. If you need to raise your vehicle, use proper jack stands—never rely solely on a jack. According to the National Highway Traffic Safety Administration, proper vehicle support is essential for preventing accidents during maintenance.

Tip #1: Warm Up Your Engine First

Cold oil is like molasses—thick and reluctant to flow. Warm oil, however, drains more completely, taking more contaminants with it. Run your engine for about 5 minutes to reach the ideal temperature. The oil should be warm, not hot. If the engine has been running for longer, wait 15-30 minutes before beginning. Remember, hot oil can cause severe burns, so exercise caution.

Tip #2: Proper Drain Plug and Filter Removal Techniques

Locating your drain plug is like finding the heart of the operation. It’s typically on the bottom of the oil pan, requiring you to slide underneath. Position your drain pan strategically to catch the rushing oil—it’s like preparing for a small, controlled flood. Use the appropriate wrench to loosen the plug, then finish unscrewing it by hand, being ready to move your fingers quickly as oil begins to flow.

For the filter removal, position your drain pan underneath it as well. Using an oil filter wrench, turn counterclockwise. The filter may contain significant oil, so remove it carefully to minimize spillage. It’s like performing surgery—precise movements prevent messy complications.

Before moving on to the next step, let the oil drain completely for about 10-15 minutes. This ensures you’re removing as much old, contaminated oil as possible. While you wait, inspect the old filter for any metal fragments that might indicate engine wear—this simple habit can help you catch potential problems early.

Tip #3: Installation of New Filter and Gasket

Before installing the new filter, dip your finger in fresh oil and coat the rubber gasket on the new filter. This creates a proper seal and prevents the filter from sticking during the next change. When screwing on the new filter, follow the “hand-tight plus a quarter turn” rule—overtightening can damage the gasket and cause leaks.

Similarly, when replacing the drain plug, ensure it’s properly threaded and tightened to specification. Too loose risks leakage; too tight can strip the threads, turning a simple maintenance task into an expensive repair. Many professional mechanics recommend replacing the drain plug gasket with each oil change to ensure a proper seal.

Tip #4: Adding the Correct Amount of New Oil

Your vehicle’s manual is the definitive guide for oil capacity. Using a funnel, pour slowly to prevent air bubbles and spills—it’s a bit like carefully pouring a perfect pint of beer. After adding oil, wait a few minutes for it to settle into the oil pan before checking the level with the dipstick. Wipe the dipstick clean before your first check, then reinsert it fully and check again for an accurate reading. The oil level should be between the “min” and “max” marks.

Remember that overfilling is just as harmful as underfilling—excessive oil can cause pressure on seals and gaskets, potentially leading to leaks or even engine damage. If you’ve added too much, you’ll need to drain some out, so it’s better to add oil gradually, checking the level after each quart.

Tip #5: Post-Change Engine Check

The final step is critical. Start your engine and let it run for about a minute. Watch carefully for any leaks around the filter or drain plug—catching problems now prevents disasters later. Check your dashboard for any remaining oil pressure warning lights. Many modern vehicles require resetting the oil change indicator through a specific button sequence or menu option in your car’s information system.

Finally, record the mileage and date in your maintenance log. This simple habit creates a reliable service history that can enhance your vehicle’s resale value. It also helps you track your vehicle’s oil consumption between changes, which can be an early warning sign of engine issues.

Conclusion

Regular oil changes are like preventive medicine for your car—an inexpensive way to avoid costly engine repairs down the road. By following these proven tips from Knows Your Car, you can complete this essential maintenance task with confidence and precision. Not only will you save money, but you’ll also gain a deeper connection with your vehicle through hands-on care.

Remember to dispose of your used oil properly at a recycling center—most auto parts stores accept it free of charge. One oil change might seem small, but multiplied by millions of vehicles, proper disposal makes a significant environmental difference.

Frequently Asked Questions

How often should I change my oil?

While the old rule was every 3,000 miles, many modern vehicles can go 5,000-10,000 miles between changes. Check your owner’s manual for the manufacturer’s recommendation.

Can I mix different oil brands?

Yes, as long as they’re the same type (synthetic or conventional) and have the same viscosity rating.

Is synthetic oil worth the extra cost?

Generally yes, especially for newer vehicles. Synthetic oil offers better engine protection and longer service intervals, often offsetting the higher initial cost.

What if I notice metal particles in my old oil?

Small amounts of metal dust are normal, but visible metal particles could indicate serious engine problems. Consult a professional mechanic immediately.

Can I change oil when the engine is cold?

You can, but warm oil drains more completely, removing more contaminants with it.