03/05/2009
Regular engine oil changes are not just a recommendation; they are a fundamental pillar of automotive maintenance, crucial for extending the life and ensuring the smooth operation of your vehicle. Neglecting this vital task can lead to reduced fuel efficiency, increased wear and tear on internal components, and ultimately, costly engine damage. While professional garages offer this service, many car enthusiasts and budget-conscious drivers prefer the satisfaction and savings that come with a do-it-yourself approach. Changing your engine oil at home, particularly with the aid of car ramps, is a highly accessible task for most. This comprehensive guide will walk you through the process, ensuring you perform the job correctly, safely, and efficiently, transforming a potentially tricky task into a straightforward maintenance routine.

- Gathering Your Essential Kit
- Prepping Your Vehicle: The Ramp Approach
- Draining the Old: The Crucial First Step
- The New Lifeblood: Filter and Refill
- Post-Change Procedures and Final Checks
- No Ramps? No Problem! Alternative Methods
- Does Your Car Need to Be Level for an Oil Change?
- Frequently Asked Questions (FAQs)
Gathering Your Essential Kit
Before you even think about getting under your vehicle, meticulous preparation is key. Having all your tools and supplies ready and within reach will make the process far smoother and safer. Here’s what you’ll need:
- New Engine Oil: Always consult your vehicle's owner's manual for the correct oil type (e.g., synthetic, semi-synthetic, conventional) and viscosity (e.g., 5W-30, 0W-20). Using the wrong oil can severely impact engine performance and longevity.
- New Oil Filter: A fresh filter is just as important as fresh oil. Ensure it's the correct one for your specific make and model.
- Oil Drain Pan: A sufficiently large pan (at least 6-8 litres capacity) to collect all the old engine oil. Some come with a built-in spout for easier disposal.
- Socket Wrench and Appropriate Sockets: You'll need the correct size socket for your oil drain plug (often 13mm, 15mm, 17mm, or a specific hex key). A good quality ratchet will make loosening and tightening easier.
- Oil Filter Wrench: These come in various styles (cup, strap, plier-type). Choose one that fits your new filter or is adjustable.
- Car Ramps: Sturdy, well-maintained ramps designed for your vehicle's weight. Ensure they are clean and free from oil or grease.
- Wheel Chocks: Essential for preventing the vehicle from rolling once it's on the ramps.
- Funnel: To neatly pour new oil into the engine without spillage.
- Rags or Shop Towels: For inevitable spills and wiping down components.
- Safety Gloves and Eye Protection: Engine oil can be hot and irritating to skin and eyes.
- Torque Wrench (Optional but Recommended): For tightening the drain plug and oil filter to the manufacturer's specified torque, preventing overtightening or leaks.
Prepping Your Vehicle: The Ramp Approach
Proper preparation of your vehicle is paramount for both effectiveness and safety. Follow these steps carefully:
- Warm Up the Engine: Drive your car for 5-10 minutes to bring the oil up to operating temperature. Warm oil flows more easily, ensuring a more complete drain. However, be careful as it will be hot!
- Choose a Level, Hard Surface: Park your car on a flat, solid surface, such as a concrete driveway. Avoid soft ground or inclines.
- Engage Parking Brake: Fully engage your handbrake or parking brake.
- Position Ramps: Place the ramps directly in front of your driving wheels (usually the front wheels). Ensure they are perfectly aligned with the tyres.
- Drive Onto Ramps: Slowly and steadily drive your vehicle up the ramps until the wheels are securely seated in the 'cup' at the top of the ramps. Do not overshoot.
- Apply Wheel Chocks: Once on the ramps, place wheel chocks securely behind the rear wheels (or the wheels not on the ramps) to prevent any backward movement.
- Turn Off Engine and Remove Keys: Ensure the engine is off and the keys are out of the ignition to prevent accidental starting.
Draining the Old: The Crucial First Step
With your vehicle safely elevated, it's time to remove the old, dirty oil.
- Locate Oil Fill Cap: Open your bonnet and locate the engine's oil fill cap. Removing this cap now will create a vacuum break, allowing the oil to drain more smoothly and quickly. Set it aside in a clean, safe place.
- Position Oil Drain Pan: Get under your vehicle (safely!) and locate the oil pan, usually a large metal reservoir at the bottom of the engine. Find the oil drain plug, typically a bolt at the lowest point of the pan. Position your drain pan directly underneath it, ensuring it can catch all the oil. Consider placing a piece of cardboard or newspaper under the pan to catch any splashes.
- Loosen the Drain Plug: Using your socket wrench and the correct size socket, loosen the drain plug. It may be quite tight. Turn it counter-clockwise. Once it's loose, you can often unscrew it by hand.
- Drain the Oil: As you slowly unscrew the plug by hand, be prepared for the oil to gush out. It will be hot, so avoid direct contact. Let all the old oil drain completely. This can take 10-20 minutes, especially if the oil is warm. Wait until it's reduced to a slow drip.
- Inspect and Reinstall Drain Plug: While the oil is draining, inspect the drain plug and its washer (if present). If the washer is crushed or damaged, replace it. Clean the drain plug and once the oil has finished draining, reinsert and tighten the drain plug. If you have a torque wrench, tighten it to the manufacturer's specified torque. If not, tighten it firmly but do not overtighten, as this can strip the threads on the oil pan.
The New Lifeblood: Filter and Refill
Now that the old oil is out, it's time for the new filter and fresh oil.
- Remove Old Oil Filter: Locate the oil filter (consult your owner's manual if unsure). It's typically a cylindrical canister. Place your drain pan underneath it as some residual oil will spill out. Use your oil filter wrench to turn it counter-clockwise until it loosens. Be ready for more oil.
- Prepare New Oil Filter: Before installing the new filter, apply a thin film of fresh engine oil to the rubber gasket on the new filter. This ensures a proper seal and prevents it from sticking.
- Install New Oil Filter: Screw the new filter into place by hand, turning it clockwise. Once it makes contact, tighten it by hand for another 3/4 to one full turn, or to the torque specified in your owner's manual. Do not overtighten with a wrench, as this can damage the filter or its housing.
- Refill Engine Oil: Go back to the engine bay. Place a funnel into the oil fill opening. Carefully pour in the new engine oil, starting with about 80-90% of the recommended capacity from your owner's manual.
- Check Oil Level: After pouring, wait a few minutes for the oil to settle in the pan. Remove the dipstick, wipe it clean, reinsert it fully, then remove it again to check the oil level. It should be between the 'min' and 'max' marks. Add more oil gradually, checking the dipstick frequently, until it reaches the correct level.
- Reattach Oil Fill Cap: Once the oil level is correct, securely reattach the oil fill cap.
Post-Change Procedures and Final Checks
You’re almost done, but these final steps are crucial:
- Start the Engine: Start your car and let it run for a few minutes. The oil pressure light should turn off quickly. This allows the new oil to circulate throughout the engine and fill the new oil filter.
- Check for Leaks: While the engine is running, carefully look under the car for any signs of leaks around the drain plug or oil filter. If you see any, turn off the engine and tighten the component slightly.
- Lower Vehicle and Re-check Oil Level: Once you're satisfied there are no leaks, turn off the engine. Carefully drive off the ramps, or lower the vehicle if using a jack. Once the car is on level ground, wait 5-10 minutes for the oil to settle, then check the dipstick again. Adjust if necessary.
- Dispose of Old Oil: Never pour used engine oil down the drain or into the ground. It is a hazardous waste. Collect the old oil in its original containers or a sealed jug and take it to a local recycling centre or auto parts store that accepts used oil.
No Ramps? No Problem! Alternative Methods
While ramps offer convenience, you can certainly change your oil without them. The primary alternative involves using a floor jack and jack stands.
| Method | Pros | Cons |
|---|---|---|
| Car Ramps | Quick setup, stable, even lift, relatively inexpensive. | Requires driving onto them, can be tricky on uneven ground, may not provide a perfectly level car for draining (see below). |
| Floor Jack & Jack Stands | More versatile (can lift any corner), allows for a perfectly level car, often provides more working room underneath. | More complex setup, requires proper jack points and stand placement, more equipment needed, higher initial cost. |
If using a floor jack and jack stands:
- Position Jack: Locate the designated jacking points on your vehicle's frame (consult your owner's manual). Place the floor jack under the appropriate point.
- Lift Vehicle: Slowly pump the jack handle to raise the vehicle to a sufficient height for comfortable working.
- Place Jack Stands: Immediately place jack stands under the designated support points near the jacking point. Never work under a vehicle supported only by a jack. Ensure the stands are securely seated.
- Lower onto Stands: Slowly lower the vehicle until it rests securely on the jack stands. Give it a gentle shake to confirm stability.
- Apply Wheel Chocks: Place chocks on the wheels that remain on the ground.
- Proceed with Oil Change: Follow the same steps for draining and refilling as described above.
- Lower Vehicle Safely: Once done, raise the vehicle slightly with the jack, remove the jack stands, and then slowly lower the vehicle completely to the ground.
Does Your Car Need to Be Level for an Oil Change?
This is a common question, and the short answer is: ideally, yes, but it's not always strictly necessary. For the most complete drain, a level vehicle ensures that all the old oil flows efficiently towards the drain plug, which is typically located at the lowest point of the oil pan. If the car is on an incline, as it would be when only the front wheels are on ramps, a small amount of old oil might pool at the rear of the oil pan, away from the drain plug.
Optimising Your Oil Drain: The Level Debate
As you've rightly observed, when only the front wheels are on ramps, the vehicle is at an angle. This can indeed leave a small residual amount of old oil (a couple of ounces, perhaps) pooling at the back of the oil pan, especially if the drain plug is towards the front. While this might bother the 'obsessive compulsive' in some of us, in most cases, this minor amount of old oil mixed with the fresh, new oil is negligible and will not significantly impact your engine's performance or longevity.
However, if you wish to achieve the most thorough drain possible, you have a few options:
- Raise the Rear: The most effective way to achieve a truly level vehicle on ramps is to also raise the rear of the car to the same height as the front. This can be done using a second set of ramps for the rear wheels (if they fit and are compatible with your vehicle's rear track width) or by carefully lifting the rear with a floor jack and placing it on jack stands, ensuring the car is perfectly level front-to-back and side-to-side. This method adds complexity and requires more equipment and careful attention to stability.
- Accept the Minor Residual: For the vast majority of DIY oil changers, accepting that a small amount of old oil remains is perfectly fine. Modern engine oils are highly effective at suspending contaminants, and the fresh oil will quickly dilute and absorb this small amount. Adjusting the amount of new oil added by a couple of ounces in subsequent changes can compensate for the slight overfill you observed.
- Longer Drain Time: Allowing extra time for the oil to drain, even on an incline, can help maximise the amount of old oil removed.
Ultimately, the most important aspect is to ensure the vehicle is stable and secure, regardless of whether it's perfectly level or slightly inclined. Safety should always be your number one priority.

Frequently Asked Questions (FAQs)
Does oil drain better on ramps?
As discussed, if only the front wheels are on ramps, the car is on an incline, which means the oil drain plug might not be at the absolute lowest point of the oil pan. This can lead to a small amount of old oil pooling at the back. While it drains efficiently due to gravity, a perfectly level car would theoretically allow for a more complete drain. However, the difference is often minimal and not a cause for major concern for the average motorist.
How often should I change my engine oil?
Always refer to your vehicle's owner's manual for the manufacturer's recommended oil change intervals. These typically range from 5,000 to 10,000 miles or every 6-12 months, whichever comes first. Factors like driving conditions (e.g., frequent short trips, towing, extreme temperatures) can necessitate more frequent changes.
What type of oil should I use?
Your owner's manual will specify the correct oil type (e.g., conventional, synthetic blend, full synthetic) and viscosity grade (e.g., 5W-30, 0W-20). Using the wrong oil can lead to engine wear, reduced performance, and even void your warranty. Always match the specifications precisely.
What should I do with the old engine oil?
Used engine oil is a hazardous waste and must be disposed of responsibly. Never pour it down drains or onto the ground. Most local recycling centres, automotive parts stores, and garages accept used engine oil for recycling. Store it in a sealed, leak-proof container (like the empty new oil bottles) until you can dispose of it properly.
Can I overfill my engine oil?
Yes, and it's important to avoid it. Overfilling can cause aeration of the oil (foaming), which reduces its lubricating properties and can lead to excessive pressure in the crankcase, potentially damaging seals and gaskets. Always fill gradually and check the dipstick frequently, ensuring the level is between the 'min' and 'max' marks.
Changing your own engine oil is a rewarding and cost-effective maintenance task that empowers you to take control of your vehicle's health. By following these detailed steps, prioritising safety, and using the right tools, you can confidently perform this essential service, ensuring your engine remains lubricated, clean, and runs smoothly for miles to come. Remember, consistent, preventative maintenance is the key to a long and reliable life for your car.
If you want to read more articles similar to Mastering DIY Engine Oil Changes on Ramps, you can visit the Maintenance category.
