The Ford Explorer ST is one of the most popular performance SUVs in the market today. Whether you’re a daily commuter, a road trip enthusiast, or someone who loves spirited driving, the Explorer ST blends power, comfort, and utility in a single package. But to keep this powerful SUV running at its best, understanding the oil capacity and proper oil maintenance is essential. Many owners overlook these details, but they are crucial for engine health, long-term reliability, and even resale value.
If you’re new to car maintenance or just picked up your first Explorer ST, you may wonder: How much oil does it need? Which oil is best? How often should you change it? This article covers every aspect of Ford Explorer ST oil capacity, including model year variations, recommended oil types, step-by-step oil change instructions, useful tips, and insights even experienced owners might miss. By the end, you’ll have the knowledge to maintain your Explorer ST confidently and avoid costly mistakes.
Understanding Ford Explorer St Oil Capacity
The heart of the Ford Explorer ST is a 3.0L EcoBoost V6 engine. This twin-turbocharged motor delivers impressive horsepower and torque, but it relies heavily on proper lubrication. The oil capacity is the amount of oil your engine needs for safe and efficient operation. Too little oil can cause severe damage, while too much can lead to leaks and performance issues.
Why Oil Capacity Matters
Engine oil does more than just lubricate moving parts. It also helps to:
- Cool the engine by carrying heat away from hot components
- Clean by trapping dirt and contaminants
- Protect by forming a thin film between metal surfaces
Not using the correct oil capacity can cause engine wear, overheating, or even engine failure. For high-performance models like the Explorer ST, following Ford’s specifications is especially important.
Ford Explorer St Oil Capacity By Model Year
Oil capacity can vary slightly depending on the model year and engine updates. Below is a comparison of the oil capacities for different Ford Explorer ST model years.
| Model Year | Engine | Oil Capacity (with filter) | Recommended Oil Type |
|---|---|---|---|
| 2020 | 3.0L EcoBoost V6 | 6.0 quarts (5.7 liters) | SAE 5W-30 Full Synthetic |
| 2021 | 3.0L EcoBoost V6 | 6.0 quarts (5.7 liters) | SAE 5W-30 Full Synthetic |
| 2022 | 3.0L EcoBoost V6 | 6.0 quarts (5.7 liters) | SAE 5W-30 Full Synthetic |
| 2023 | 3.0L EcoBoost V6 | 6.0 quarts (5.7 liters) | SAE 5W-30 Full Synthetic |
| 2024 | 3.0L EcoBoost V6 | 6.0 quarts (5.7 liters) | SAE 5W-30 Full Synthetic |
As you can see, the oil capacity for the Ford Explorer ST (2020–2024) is consistent at 6.0 quarts (5.7 liters) when including the oil filter. Always check your owner’s manual for confirmation, but this covers all recent models.
Choosing The Right Engine Oil For The Explorer St
Picking the correct oil is as important as using the right amount. Ford recommends SAE 5W-30 full synthetic oil for the Explorer ST. This oil type is engineered to handle high temperatures and the stress of a turbocharged engine.
Why Full Synthetic Oil?
- Better protection: Synthetic oil resists breakdown at high temperatures, protecting turbochargers and engine internals.
- Improved flow in cold weather: The 5W-30 rating ensures good flow on cold starts, reducing wear.
- Longer intervals: Synthetic oils last longer than conventional oils, meaning fewer oil changes.
Popular Oil Brands For Explorer St
Owners often ask which brands are best. Here are some trusted options:
- Motorcraft (Ford’s own brand)
- Mobil 1
- Castrol Edge
- Pennzoil Platinum
- Valvoline Advanced Full Synthetic
All these oils meet Ford’s specifications and will keep your engine protected.
Can I Use 5w-20 Or 0w-30 Instead?
Stick with 5W-30 unless you have a specific reason to use another grade, such as extreme cold. Using the wrong viscosity can reduce protection or cause warranty issues.
How To Check Oil Level In The Ford Explorer St
Even if you follow the oil capacity, checking your oil level regularly is a smart habit. Here’s how to do it:
- Park on a level surface: Let the engine cool for 10–15 minutes after driving.
- Open the hood: Locate the yellow oil dipstick.
- Pull out the dipstick: Wipe it clean with a cloth.
- Reinsert fully: Then pull it out again to check the level.
- Read the level: Oil should be between the “MIN” and “MAX” marks.
- Check oil color: It should be amber or light brown. Dark, gritty oil means it’s time to change.
Never overfill. Too much oil can damage seals and cause leaks.
Credit: bobruthford.com
Oil Change Interval For Explorer St
Following the correct oil change interval is key for engine health. Ford recommends:
- Every 7,500 miles or 12 months, whichever comes first, for normal driving.
- Every 5,000 miles for severe conditions, such as frequent towing, short trips, or extreme temperatures.
Many owners prefer changing oil every 5,000 miles for extra protection, especially if they drive hard or in hot climates.
Signs You Need An Oil Change Sooner
- Oil looks black or dirty
- Engine runs louder than normal
- Oil change light on dashboard
- Noticeable drop in fuel economy
Step-by-step Guide: Changing The Oil On Ford Explorer St
Changing your own oil can save money and help you understand your vehicle better. Here’s a detailed guide for Explorer ST owners.
Tools And Materials Needed
- 6 quarts of SAE 5W-30 full synthetic oil
- New oil filter (check your model year for the correct part number)
- Oil drain pan
- Socket wrench (15mm for drain plug)
- Funnel
- Oil filter wrench
- Gloves and rags
- Jack and jack stands or ramps (if needed)
Oil Change Instructions
- Warm up the engine: Run for 5 minutes to thin the oil, making it drain easier.
- Park and secure: Turn off the engine and ensure the car is on a level surface. Use jack stands if needed.
- Remove underbody shield (if equipped): Some models have a shield covering the drain plug.
- Remove oil drain plug: Place the drain pan under the plug. Use a socket wrench to loosen and remove the plug. Let oil drain completely (about 10 minutes).
- Remove and replace oil filter: Use the filter wrench to loosen. Wipe the area and install a new filter. Lightly oil the new filter’s gasket before installing.
- Replace drain plug: Tighten securely but do not over-torque.
- Add new oil: Use a funnel to pour in 6 quarts of fresh oil.
- Check for leaks: Start the engine for 30 seconds, then shut off and inspect for leaks.
- Check oil level: Wait a minute, then check the dipstick. Add oil if necessary.
- Dispose of old oil responsibly: Take used oil to a recycling center.
Estimated Time And Cost
- Time required: 30–60 minutes
- DIY cost: $60–$90 (oil and filter)
- Shop cost: $100–$150+
Pro Tips
- Always use a new crush washer on the drain plug if your model uses one.
- Tighten the oil filter by hand—never use a wrench to finish tightening.
Common Mistakes To Avoid With Explorer St Oil Maintenance
Even experienced owners can make mistakes. Here are key errors to watch out for:
- Overfilling oil: Adding too much can cause foaming and reduce lubrication.
- Using the wrong oil type: Always choose 5W-30 full synthetic.
- Skipping the filter: Always replace the oil filter with every oil change.
- Not checking for leaks: Always double-check after changing oil.
- Ignoring the oil life monitor: The Explorer ST has an oil life system—reset it after every change.
A less obvious mistake: Not letting the engine cool before checking the oil. Hot oil expands and can give a false reading. Always wait at least 10 minutes after shutting off the engine before checking.
Another tip many forget: Keep extra oil in your car for emergencies, especially on long trips.
Oil Filter Information For Ford Explorer St
The oil filter is just as important as the oil itself. It traps debris and keeps your oil clean. Ford recommends using Motorcraft FL-500S or a high-quality equivalent.
Choosing A Quality Oil Filter
A poor-quality filter can cause oil starvation or leaks. Stick to trusted brands:
- Motorcraft
- WIX
- Bosch
- Fram Ultra
- K&N
Avoid generic or unknown brands, even if they’re cheaper.
When To Replace The Oil Filter
Always replace the oil filter at every oil change. Some people try to extend filter life, but this is risky for turbocharged engines like the Explorer ST.
Comparing Ford Explorer St Oil Capacity With Other Suvs
To understand how the Explorer ST compares, let’s look at oil capacities for similar performance SUVs.
| Model | Engine | Oil Capacity (with filter) |
|---|---|---|
| Ford Explorer ST | 3.0L EcoBoost V6 | 6.0 quarts (5.7 liters) |
| Dodge Durango R/T | 5.7L HEMI V8 | 7.0 quarts (6.6 liters) |
| Kia Telluride SX | 3.8L V6 | 6.9 quarts (6.5 liters) |
| Chevrolet Traverse RS | 3.6L V6 | 6.0 quarts (5.7 liters) |
| Toyota Highlander XSE | 3.5L V6 | 5.8 quarts (5.5 liters) |
As shown, the Explorer ST’s oil capacity is similar to other V6 SUVs, though V8s like the Durango need more oil.
What Happens If You Overfill Or Underfill The Oil?
Both overfilling and underfilling can cause serious engine issues.
Overfilling
- Can lead to excessive pressure inside the engine
- May cause oil to foam, reducing lubrication
- Can damage seals, gaskets, and the catalytic converter
Underfilling
- Increases engine wear due to insufficient lubrication
- Can cause overheating
- May trigger the oil warning light or even lead to engine seizure
Always aim to fill to the correct level—between the “MIN” and “MAX” marks on the dipstick.
Synthetic Vs. Conventional Oil For Explorer St
The Explorer ST’s turbocharged engine demands the best protection. Here’s why synthetic oil is always recommended over conventional oil:
- Better resistance to heat: Turbos generate high temperatures, which can break down regular oil.
- Cleaner engine: Synthetic oil has fewer impurities and resists sludge.
- Longer intervals: You can safely extend change intervals with synthetic oil.
Unless you have a very old engine or specific recommendation from a mechanic, always use full synthetic oil for the Explorer ST.
Special Considerations For High-performance And Towing
Many Explorer ST owners use their vehicles for spirited driving or towing. Both activities stress the engine more than normal use.
Extra Tips For Hard Driving
- Change oil more often (every 5,000 miles or less)
- Check oil level before and after long trips or track days
- Use only high-quality synthetic oil and filters
Towing
Towing adds weight and raises engine temperatures. If you tow regularly:
- Inspect oil more frequently
- Consider using an oil with higher heat resistance (some synthetic oils are designed for towing)
- Follow Ford’s severe service schedule
Credit: www.oilshop.ca
How To Reset The Oil Life Monitor On Explorer St
After changing your oil, it’s important to reset the oil life system. This feature tracks engine hours and miles to recommend the next oil change.
Reset Steps
- Turn on the ignition (do not start the engine).
- Use the steering wheel controls to navigate to the Settings menu.
- Select Vehicle, then Oil Life Reset.
- Press and hold the OK button until the display shows “Reset Successful”.
If you skip this step, the oil change reminder won’t work correctly.
Environmental Impact Of Oil Disposal
Used engine oil is hazardous and should never be dumped down drains or in the trash. Always:
- Collect used oil in a sealed container
- Take it to an auto parts store, service center, or recycling facility
- Never mix oil with other fluids
Proper disposal protects the environment and is often required by law.
What To Do If You See The Oil Warning Light
The oil warning light means low oil pressure or low oil level. If it appears:
- Pull over safely and turn off the engine.
- Check the oil level using the dipstick.
- Add oil if the level is low.
- If the light stays on, do not drive—call for assistance.
Driving with the oil warning light can destroy your engine in minutes.
Real-world Owner Insights: Explorer St Oil Maintenance
Many Explorer ST owners on forums and social media share their experiences. Here are two insights you might not expect:
- Turbocharged engines can use oil between changes. It’s normal for performance engines to consume a small amount of oil—check your level every 1,000 miles, especially if you drive hard.
- Some owners report “break-in” oil consumption. For new vehicles, the first 5,000 miles may see higher oil usage. This usually stabilizes after the first two oil changes.
Listening to your engine and checking oil regularly is better than relying only on the oil life monitor.
Credit: www.youtube.com
Long-term Maintenance Benefits
Sticking to the right oil capacity and change intervals delivers real benefits:
- Longer engine life
- Better fuel economy
- Smoother performance
- Higher resale value
Many Explorer STs easily reach 200,000 miles with proper maintenance.
Where To Find More Information
For the most accurate and current oil specifications, always refer to your owner’s manual or visit the official Ford Maintenance Guide.
Frequently Asked Questions
What Is The Exact Oil Capacity For A 2020–2024 Ford Explorer St?
The oil capacity is 6.0 quarts (5.7 liters) with a new oil filter installed. Always check the dipstick after filling to ensure the level is correct.
Can I Use A Different Oil Viscosity, Like 0w-30 Or 10w-30, In My Explorer St?
Ford recommends SAE 5W-30 full synthetic. Other viscosities should only be used in extreme conditions and with approval from a Ford technician.
How Often Should I Change The Oil In My Explorer St If I Drive In Very Hot Or Cold Weather?
Change your oil every 5,000 miles or sooner if you drive in severe conditions, including extreme temperatures, frequent short trips, or heavy towing.
What Happens If I Put Too Much Oil In My Explorer St?
Overfilling can cause engine damage, leaks, and poor performance. If you accidentally overfill, drain the excess oil as soon as possible.
Is It Safe To Switch Brands Of Synthetic Oil For My Explorer St?
Yes, as long as the new oil meets Ford WSS-M2C946-B1 specifications and is SAE 5W-30 full synthetic. Changing brands will not harm your engine.
Caring for your Ford Explorer ST’s engine oil is simple once you understand the basics. By following the right oil capacity, using high-quality synthetic oil, and sticking to recommended change intervals, you’ll keep your SUV running strong for years to come.
Whether you do your own oil changes or trust a professional, a little attention now will save you time and money in the future.