2020 Ford Explorer St Reliability – A Comprehensive Performance
The 2020 Ford Explorer ST is a high-performance SUV that blends family utility with a 400-horsepower twin-turbo V6, but its first-year production status brings specific mechanical considerations. While the powertrain is robust, early owners often navigate transmission software updates and specific suspension recalls to ensure long-term dependability and peak performance on the road.
You have likely seen the 2020 Ford Explorer ST tearing up the highway or parked at a local cars and coffee event. It is a tempting machine, offering a 3.0L EcoBoost engine and a sport-tuned suspension that makes a 5,000-pound SUV feel surprisingly nimble and aggressive.
However, if you are in the market for one or currently own one, you probably have questions about how it holds up over time. Assessing the 2020 ford explorer st reliability is essential because this was the debut year for the sixth-generation Explorer, which moved to a rear-wheel-drive-biased CD6 platform.
In this guide, we will break down the common pain points, the must-know maintenance tasks, and the real-world performance of this enthusiast-favorite SUV. Whether you are a weekend DIYer or a daily commuter, this breakdown will help you keep your ST in top-tier condition for years to come.
2020 ford explorer st reliability: What Owners Need to Know
When the 2020 model hit the streets, it arrived with a lot of fanfare but also a few “first-year” growing pains. Understanding 2020 ford explorer st reliability starts with acknowledging that many early units faced assembly challenges at the Chicago plant, leading to a high number of initial recalls.
The good news is that most of these issues were addressed under warranty or through Technical Service Bulletins (TSBs). If you are looking at a used model, the first thing you should do is run a VIN check to ensure all safety recalls, particularly those involving the parking brake and rearview camera, have been completed.
Reliability for this specific trim is often better than the base models because the ST uses higher-grade cooling components and a beefier drivetrain. However, the complexity of the twin-turbocharged system means that you cannot afford to be lazy with your oil change intervals or sensor maintenance.
The 3.0L EcoBoost V6 Engine Performance
The heart of the ST is the 3.0L EcoBoost engine, which is generally considered the most reliable part of the vehicle. Unlike the smaller 2.3L engines, this V6 is built to handle higher boost pressures and significant thermal stress during spirited driving or towing.
One minor issue to watch for is “carbon buildup” on the intake valves, a common trait of direct-injection engines. Using a high-quality synthetic oil and occasionally using a dedicated intake valve cleaner can help mitigate this over the 100,000-mile mark.
Check your coolant levels regularly, as some owners have reported small leaks near the turbocharger coolant lines. If you smell something sweet after a long drive, grab a flashlight and inspect the area around the turbos for any orange or pink crusty residue.
The 10R80 Transmission and Shifting Logic
The 10-speed automatic transmission, co-developed with GM, is a sophisticated piece of engineering designed to keep the engine in its power band. However, many owners of the 2020 model year reported “harsh shifts” or “clunky” transitions between lower gears, especially when the vehicle is cold.
This is usually not a mechanical failure but rather a software calibration issue. Ford released several PCM (Powertrain Control Module) and TCM (Transmission Control Module) updates to smooth out these shift points and improve the driving experience.
If your ST feels like it is “hunting” for gears or slamming into second gear, do not panic. Take it to a dealer or use a high-end OBD-II scan tool to check for the latest software versions; a simple “relearn” procedure often solves the problem entirely.
Transmission Fluid Maintenance Tips
Ford claims the transmission fluid can last a very long time, but experienced mechanics suggest otherwise. If you drive your ST hard or use it for heavy towing, consider a fluid exchange every 40,000 to 50,000 miles to protect the internal clutches.
The 10R80 uses Mercon ULV (Ultra Low Viscosity) fluid, which is specifically designed to reduce friction and improve fuel economy. Using the wrong fluid in this transmission can lead to immediate shifting issues and potential long-term damage to the valve body.
Suspension and the Infamous Rear Subframe Bolt
One of the most discussed topics regarding 2020 ford explorer st reliability is the rear subframe mounting system. Early 2020 models featured a single-bolt design for the rear differential, which some owners found prone to snapping under high torque loads.
Ford’s official recall fix was often a software update that automatically engaged the electronic parking brake if the bolt failed, preventing the car from rolling away. However, for enthusiasts, this was not a mechanical solution to a mechanical problem.
Many DIYers and off-roaders opt for an aftermarket subframe brace or a “two-bolt” or “four-bolt” conversion kit. This reinforces the rear end, providing peace of mind if you plan on launching the car at the drag strip or taking it on rugged trails.
Checking Your Suspension Components
The ST sits slightly lower and stiffer than a standard Explorer, which puts more stress on the bushings and sway bar links. Listen for any “popping” or “creaking” sounds when navigating speed bumps or turning at low speeds.
Inspect the strut towers for any signs of fluid leaking, which indicates a blown seal. Replacing these components early prevents uneven tire wear and maintains the sharp handling characteristics that make the ST so much fun to drive.
Interior Electronics and the SYNC 3 System
The 2020 Explorer ST was one of the first to feature the optional 10.1-inch vertical touchscreen. While it looks futuristic, the SYNC 3 system in early 2020 builds was known for occasional freezing, lagging, or “black screen” issues.
Most of these glitches are resolved via Over-the-Air (OTA) updates or by manually downloading the latest software from Ford’s website onto a USB drive. If your screen is acting up, a “master reset” in the settings menu is usually the first step in troubleshooting.
Another electronic concern involves the backup camera, which was the subject of a major recall due to the image not displaying correctly. Ensure your vehicle has the updated camera hardware to avoid safety hazards when reversing in tight spots.
Proactive Battery Care
With so many sensors and modules, the 2020 Explorer ST is very hard on its battery. If the battery voltage drops even slightly, it can trigger a cascade of false error codes on the dashboard, ranging from AWD faults to brake assist warnings.
If you notice your “Auto Start-Stop” feature has stopped working, it is often a sign that your battery is beginning to fail. We recommend upgrading to a high-quality AGM (Absorbent Glass Mat) battery to better handle the electrical load of the ST’s many features.
Essential DIY Maintenance for the Explorer ST
To maximize 2020 ford explorer st reliability, you should adopt a “severe service” maintenance mindset. This means performing oil changes every 5,000 miles rather than waiting for the 10,000-mile interval suggested by the onboard computer.
For the DIYer, the ST is relatively easy to work on. You will need a 10mm socket for many under-hood plastic covers and a 15mm socket for the oil drain plug. Always use a Motorcraft FL-500S oil filter or a high-quality equivalent to ensure proper flow rates.
Don’t forget the engine air filters; the ST uses a high-flow design, and if they get clogged with dust or debris, you will see a noticeable drop in fuel economy and turbo responsiveness. Replacing these every 15,000 miles is a cheap way to keep the engine breathing easy.
Brake System Inspections
If your ST is equipped with the High-Performance Brake Package (identifiable by the red calipers), be prepared for slightly more brake dust and faster pad wear. These brakes provide incredible stopping power but use a more aggressive pad compound.
Check the thickness of your brake pads every time you rotate your tires. If you notice a “pulsing” sensation in the pedal, your rotors may be warped from heat. Upgrading to slotted rotors can help dissipate heat better if you frequently drive in mountainous terrain.
Common Pitfalls and How to Avoid Them
One common pitfall for new owners is ignoring the “AWD Fault” light. This can sometimes be triggered by mismatched tire sizes. Because the ST uses an intelligent All-Wheel Drive system, all four tires must have nearly identical tread depths to avoid straining the transfer case.
Another issue is the water pump. While Ford moved the water pump to the outside of the engine block for this generation (a huge improvement over the previous 3.5L EcoBoost), it still requires inspection. Look for any signs of weeping around the front of the engine.
Finally, avoid “cheap” fuel. The 3.0L EcoBoost is designed to run on 93-octane premium fuel. While it can run on 87-octane, the computer will pull timing to prevent knock, resulting in lower power and potentially lower fuel efficiency over time.
Frequently Asked Questions About 2020 ford explorer st reliability
Is the 2020 Ford Explorer ST a reliable daily driver?
Yes, provided the major recalls have been addressed. The engine and drivetrain are very sturdy, but you must stay on top of software updates and fluid changes to avoid the common electronic and shifting quirks associated with the first-year 2020 models.
Does the 2020 Explorer ST have transmission problems?
Most reported “problems” are actually software-related shift quality issues. While there have been some mechanical failures, the majority of owners find that a TCM reflash at the dealership solves the harsh shifting and hesitation issues.
How long will a 2020 Ford Explorer ST last?
With meticulous maintenance, there is no reason a 2020 Explorer ST cannot last 200,000 miles or more. The 3.0L EcoBoost is a proven engine architecture, and the chassis is robust enough for long-term use if protected from rust and abuse.
Should I buy a 2020 model or wait for a 2021?
The 2021 models generally had fewer assembly-line issues than the 2020s. However, a 2020 model with a documented service history and all recalls completed can be a fantastic value, often costing significantly less while offering the same performance.
Conclusion: Staying Ahead of the Curve
The 2020 Ford Explorer ST is a remarkable vehicle that offers a level of performance rarely seen in a three-row SUV. While the 2020 ford explorer st reliability was a hot topic during its launch year, time has shown that most of its issues were “teething” problems rather than fundamental design flaws.
By staying proactive with your maintenance—especially regarding oil quality, transmission software, and subframe inspections—you can enjoy the 400 horsepower and 415 lb-ft of torque without the stress of unexpected breakdowns. This SUV is a tool for adventure, whether you are hauling the kids to soccer or exploring winding backroads.
Take care of your ST, and it will take care of you. Keep an eye on those TSBs, use quality parts, and don’t be afraid to get your hands dirty with some basic DIY maintenance. Stay safe and stay comfortable out there on the open road!
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