2013 Ford Explorer Limited AWD – The Ultimate Maintenance
The 2013 Ford Explorer Limited AWD is a robust, feature-rich SUV that balances family comfort with genuine all-weather capability. To keep this vehicle performing at its peak, owners must focus on specific drivetrain maintenance, particularly the Power Transfer Unit (PTU) and the internal water pump system.
You probably bought your SUV because you needed a vehicle that could handle grocery runs and snowy mountain passes with equal ease. It is a frustrating experience when a “Check 4WD” light appears or a mysterious puddle forms under the engine bay.
I understand the stress of maintaining a complex modern vehicle like the 2013 ford explorer limited awd. This guide will provide the technical clarity you need to handle DIY repairs and know exactly when to call in a professional technician.
We will explore the common mechanical pitfalls of this model year, the secrets of the Terrain Management System, and the preventative steps that can save you thousands in repair bills. Let’s get under the hood and ensure your Explorer stays trail-ready for years to come.
Understanding the Intelligent AWD and Terrain Management
The 2013 model year marked a significant era for Ford’s transition to a car-based unibody platform. Unlike older truck-based SUVs, this system uses an intelligent approach to distribute torque between the front and rear wheels.
The heart of this system is the Terrain Management System (TMS). You can adjust the vehicle’s behavior using a simple rotary dial located on the center console, which recalibrates the engine, transmission, and braking systems.
This system allows the vehicle to mimic the behavior of a traditional locking differential. It uses brake-based torque vectoring to stop a spinning wheel and send power to the tires with the most grip.
The Four Driving Modes
Normal mode is your default setting, biased toward front-wheel drive for better fuel economy. It only engages the rear wheels when the sensors detect a loss of traction or under heavy acceleration.
Mud/Ruts mode allows for more wheel spin to help clear debris from the tire treads. It also desensitizes the throttle to prevent sudden jerks that could dig the vehicle deeper into soft ground.
Sand mode provides the most aggressive throttle response. It holds gears longer to maintain momentum, which is the most critical factor when driving on soft, shifting surfaces.
Grass/Gravel/Snow mode is designed for slippery, hard surfaces. It forces the transmission to upshift early and reduces throttle sensitivity to prevent the tires from breaking loose initially.
Common Issues with the 2013 ford explorer limited awd
Every vehicle has its “achilles heel,” and the Explorer is no exception. Knowing these issues ahead of time allows you to spot symptoms before they turn into a catastrophic mechanical failure on the road.
One of the most discussed topics among enthusiasts is the Power Transfer Unit (PTU). This component sends power from the transmission to the rear driveshaft and is prone to overheating due to its proximity to the exhaust.
If you notice a smell like burnt gear oil or see a thick, black sludge leaking near the passenger side axle, your PTU is likely failing. Many owners choose to install a drain plug to make frequent fluid changes possible.
The Internal Water Pump Disaster
The 3.5L Ti-VCT V6 engine features a water pump driven by the timing chain. This means the pump is located inside the engine block rather than being bolted to the outside.
When the internal seal fails, coolant can leak directly into the oil pan. This creates a “milkshake” consistency in your oil, which will destroy your engine bearings in a matter of miles if not caught immediately.
Check your oil dipstick weekly for any signs of milky discoloration. If the coolant level in your reservoir is dropping but you see no external leaks, stop driving and have the system pressure tested.
Electric Power Steering (EPAS) Failure
The 2013 model uses an electric rack and pinion system rather than a traditional hydraulic pump. This improves fuel efficiency but has been the subject of several recalls and technical service bulletins.
Symptoms of a failing EPAS include a “Steering Assist Fault” message on the dash or a sudden increase in steering effort. In some cases, the steering may feel “notchy” or pull to one side without warning.
Always check your VIN on the Ford owner portal to see if your vehicle is eligible for a software update or a hardware replacement under a recall. This is a safety-critical component that requires professional calibration.
Essential DIY Maintenance for Longevity
Regular maintenance is the only way to keep your 2013 ford explorer limited awd out of the shop. While Ford claims many fluids are “lifetime,” experienced mechanics know that heat breaks down all lubricants over time.
Start by changing your engine oil every 5,000 miles using a high-quality full synthetic 5W-20. This protects the complex variable valve timing (Ti-VCT) solenoids from getting clogged with sludge or debris.
Do not ignore the cabin air filter, located behind the glove box. A clogged filter puts unnecessary strain on your blower motor and can lead to musty odors inside the premium Limited trim cabin.
PTU Fluid Exchange Strategy
Since the PTU only holds about 18 ounces of fluid, it wears out quickly. Use a suction pump to remove as much of the old 75W-140 gear oil as possible through the fill plug.
Refill the unit with a high-temperature synthetic gear lubricant. Doing this every 30,000 miles is the best insurance policy against a $2,000 replacement bill for a seized transfer case.
Ensure the vehicle is level when checking the fluid. If the fluid you pump out is black and smells like burnt toast, you should perform two changes in a row to flush out the contaminants.
Brake System and Suspension Care
The Limited trim comes with larger wheels that can put extra stress on the suspension bushings. Inspect your rear toe links frequently, as these were a known weak point and subject to safety recalls.
When replacing brake pads, always grease the slide pins with high-temperature silicone paste. This prevents the calipers from sticking, which is a common cause of premature rotor warping on heavy SUVs.
Flush your brake fluid every two years. Brake fluid is hygroscopic, meaning it absorbs moisture from the air, which can lead to internal corrosion of the ABS module and master cylinder.
Off-Road Setup and Practical Use Cases
While the 2013 ford explorer limited awd is not a rock crawler, it is highly capable on forest service roads and beach sand. A few small upgrades can significantly improve your off-road confidence.
The first upgrade should always be tires. Switching from standard highway all-seasons to a mild All-Terrain (A/T) tire will provide much better sidewall protection and grip on loose surfaces.
Be mindful of the low-hanging front air dam. This plastic piece improves aerodynamics on the highway but can easily be ripped off by a tall rock or a deep rut during a camping trip.
Packing for Adventure
The Limited trim offers a generous amount of cargo space, especially with the PowerFold third-row seats. Always secure your heavy gear using the built-in tie-down points to prevent items from shifting.
Carry a portable 12V air compressor. Airing down your tires to 20-25 PSI can provide a massive increase in traction when driving on soft sand or through deep mud.
Always include a basic recovery kit in your cargo area. This should include a kinetic recovery strap, a pair of D-ring shackles, and a solid shovel for digging out of sticky situations.
Buyer’s Guide: What to Look for in a Used Explorer
If you are in the market for a 2013 ford explorer limited awd, you need to be a meticulous inspector. A well-maintained unit is a joy to own, but a neglected one can be a financial nightmare.
Ask for service records specifically regarding the PTU and transmission flushes. If the previous owner never changed these fluids and the car has 100,000 miles, proceed with extreme caution.
Listen for a “whirring” or “roaring” sound during the test drive. This often indicates a failing wheel bearing or a worn pinion bearing inside the rear differential, which are common issues.
Interior and Electronics Check
The Limited trim features the MyFord Touch system. Ensure the screen is responsive and that the latest software updates have been installed to prevent frequent “rebooting” or frozen maps.
Test every motorized feature, including the heated/cooled seats and the power liftgate. These convenience items are expensive to fix if the actuators or heating elements have failed over time.
Check the sunroof drains for clogs. Open the panoramic roof and pour a small amount of water into the channels; it should drain out behind the front wheels. If it doesn’t, you risk interior water damage.
Frequently Asked Questions About 2013 ford explorer limited awd
What is the towing capacity of the 2013 Ford Explorer Limited AWD?
When properly equipped with the Class III trailer tow package, this vehicle can tow up to 5,000 pounds. Without the factory tow package, the limit is significantly lower, usually around 2,000 pounds.
Does the 2013 Explorer Limited AWD have a low-range gear?
No, it does not have a traditional two-speed transfer case with a “Low” range. Instead, it uses the Terrain Management System and transmission gearing to provide the necessary torque for off-road obstacles.
What kind of fuel should I use in my 2013 Explorer?
The 3.5L V6 engine is designed to run on regular 87-octane unleaded gasoline. Using premium fuel will not provide a significant performance boost unless you are towing heavy loads in very hot weather.
How often should I change the spark plugs?
Ford recommends changing the spark plugs every 100,000 miles. However, many enthusiasts suggest doing it at 75,000 miles to maintain optimal fuel economy and prevent ignition coil failure.
Final Thoughts for the Savvy Owner
Owning a 2013 ford explorer limited awd is a rewarding experience if you stay ahead of the maintenance curve. This SUV offers a level of comfort and technology that still feels modern today, provided the mechanical systems are respected.
Remember that your vehicle is a complex machine that thrives on clean fluids and regular inspections. By monitoring your PTU, checking your oil for coolant contamination, and using the right driving modes, you can enjoy the road ahead with total peace of mind.
Whether you are navigating a blizzard or heading out for a weekend at the lake, your Explorer is built to get you there. Keep your tools sharp, your fluids fresh, and your tires aired up. Stay safe and stay comfortable!
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