Battery For Ford Explorer 2017 – The Definitive Selection
Selecting the correct battery for ford explorer 2017 models requires matching the Group 65 size and ensuring sufficient Cold Cranking Amps (CCA) for your climate. This guide covers the critical differences between AGM and flooded cells while explaining the mandatory Battery Management System (BMS) reset process to protect your new investment.
Few things are as frustrating as hearing that dreaded “click-click-click” when you turn the key in your SUV. If you are dealing with a sluggish start or a dead cell, finding a reliable battery for ford explorer 2017 is your top priority to get back on the road.
We understand that modern vehicles are essentially rolling computers, and the wrong power source can lead to flickering screens or erratic sensor readings. This article provides the technical clarity you need to choose the best unit and install it like a pro.
We will walk you through the specifications, the installation process, and the often-overlooked software reset required by Ford’s charging system. By the end, you’ll have the confidence to handle this maintenance task in your own garage.
Understanding Technical Specs for a battery for ford explorer 2017
The 2017 Ford Explorer is a power-hungry machine equipped with advanced infotainment, heated seats, and multiple safety sensors. To keep these systems running, Ford specifies a Group 65 battery size, which refers to the physical dimensions and terminal placement.
Cold Cranking Amps (CCA) is the next vital metric you must check on the label. For this specific model year, you should look for a rating between 650 and 850 CCA to ensure the engine turns over in freezing temperatures.
Reserve Capacity (RC) is also important, as it dictates how long the battery can power essential systems if the alternator fails. Aim for a unit with at least 120 minutes of reserve capacity for maximum peace of mind during long road trips.
The Importance of Group Size
Using the wrong group size can lead to fitment issues where the hold-down bracket won’t secure the battery. A loose battery vibrates excessively, which quickly damages the internal lead plates and shortens the unit’s lifespan.
Always verify that the positive and negative terminals are in the correct orientation. In a Group 65 configuration, the terminals are positioned to match the OEM cable length, preventing unnecessary strain on the wiring harness.
AGM vs. Flooded Lead-Acid: Choosing Your Powerhouse
When shopping for a replacement, you will likely choose between a standard flooded lead-acid battery and an Absorbent Glass Mat (AGM) battery. While flooded batteries are more affordable, AGM technology offers significant advantages for modern SUVs.
AGM batteries are spill-proof and highly resistant to vibration, making them ideal for off-road enthusiasts who take their Explorer on rough trails. They also handle the “deep cycling” demands of modern electronics much better than traditional designs.
If your Explorer features Auto Start-Stop technology, an AGM battery is usually mandatory. Standard batteries cannot handle the frequent cranking cycles required when the engine shuts off at traffic lights, leading to premature failure.
Performance in Extreme Climates
In scorching summer heat, AGM batteries lose water much slower than flooded types, extending their service life in southern states. Conversely, their lower internal resistance allows them to deliver higher burst power during frigid winter mornings.
If you live in a region with seasonal extremes, the higher upfront cost of an AGM unit often pays for itself through reliability. You avoid the cost and hassle of frequent jump-starts or premature replacements every two years.
Essential Tools and Safety Gear for the Job
Replacing a battery is a straightforward DIY task, but having the right tools makes it safer and faster. You will primarily need a 10mm wrench or socket set to loosen the terminal clamps and the hold-down bolt.
Safety should always come first when working around sulfuric acid and high-current electrical systems. Wear safety glasses to protect your eyes from debris and heavy-duty gloves to keep your hands clean and protected from acid residue.
A battery terminal brush is also a “pro-tip” tool that costs very little but adds years to your battery’s life. Use it to scrub away white corrosion (lead sulfate) from the cable ends before attaching them to the new posts.
- 10mm deep socket and ratchet
- Battery terminal cleaning tool
- Safety glasses and work gloves
- Dielectric grease or terminal protector spray
- A “Memory Saver” (optional but recommended)
Using a Memory Saver
A memory saver is a small device that plugs into your OBD-II port and provides a tiny amount of power while the main battery is disconnected. This prevents your radio presets, seat memory, and clock from resetting during the swap.
More importantly, it keeps the Engine Control Unit (ECU) from losing its “learned” idle and fuel trim data. Without it, your Explorer might idle roughly for the first few miles until the computer recalibrates itself.
Step-by-Step Installation Instructions
Start by ensuring the vehicle is in park, the emergency brake is engaged, and the ignition is completely off. Pop the hood and locate the battery on the driver’s side of the engine compartment, near the firewall.
Always disconnect the negative (black) terminal first to break the ground circuit. This prevents accidental sparks if your wrench touches a metal part of the frame while you are loosening the positive terminal later.
Once the cables are tucked aside, remove the long bolt holding the battery wedge or strap at the base. Carefully lift the old battery out; be prepared, as a Group 65 battery can weigh upwards of 45 to 50 pounds.
- Disconnect the negative (-) cable.
- Disconnect the positive (+) cable.
- Remove the battery hold-down bracket.
- Lift out the old battery and clean the tray.
- Drop in the new battery and secure the bracket.
- Connect the positive (+) cable first.
- Connect the negative (-) cable last.
Cleaning the Terminals
Before installing the new unit, inspect the cable connectors for green or white crust. Mix a small amount of baking soda and water to neutralize the acid, then scrub the connectors with your wire brush until they shine.
Apply a thin layer of dielectric grease or terminal protector to the new posts. This creates a barrier against moisture and oxygen, which are the primary culprits behind future corrosion and poor electrical contact.
Why You Must Reset the Battery Management System (BMS)
The 2017 Ford Explorer uses a sophisticated Battery Management System (BMS) that tracks the age and health of the battery. As a battery gets older, the alternator changes its charging strategy to push more current into the aging cells.
If you install a new battery without resetting this system, the alternator will continue to overcharge the new unit as if it were the old one. This mistake can significantly shorten the life of your new battery in just a few months.
You can reset the BMS using a high-end OBD-II scan tool or by performing a specific manual sequence. If you aren’t comfortable doing this, most local mechanics or dealerships can perform the reset for a small fee.
The Manual BMS Reset Trick
For those without a scan tool, there is a “secret” manual reset sequence for many Ford models. With the ignition on (engine off), flash your high beams five times, then press and release the brake pedal three times.
If successful, the battery icon on the dashboard will flash three times within a few seconds. This signals that the computer has recognized the new power source and has reset its charging parameters to factory defaults.
Maintenance Tips to Extend Battery Life
Maintaining a healthy battery for ford explorer 2017 is only the first step toward long-term reliability. Periodically check the tightness of the terminals to ensure they haven’t vibrated loose, which can cause intermittent electrical issues.
If you primarily drive short distances, your alternator may not have enough time to fully recharge the battery. Consider using a smart charger or “trickle charger” once a month to bring the battery back to a 100% state of charge.
Keep the top of the battery clean and dry. Dirt and moisture can create a “bridge” between the terminals, leading to a slow parasitic drain that kills the battery while the car is parked overnight.
Testing the Alternator
Sometimes the battery isn’t the problem; it’s the victim of a failing charging system. Use a multimeter to check the voltage while the engine is running; you should see a reading between 13.8 and 14.4 volts.
If the voltage is lower than 13.5 volts, your alternator might be struggling to keep up with the load. Addressing a weak alternator early prevents you from being stranded with a dead battery that was otherwise perfectly healthy.
Frequently Asked Questions About Your Ford Explorer Battery
What is the best battery for ford explorer 2017 models?
The best option is typically a Group 65 AGM battery from a reputable brand like Odyssey, NorthStar, or Motorcraft. These provide the high CCA and durability required for the Explorer’s electronics and varied driving conditions.
How long should a 2017 Ford Explorer battery last?
On average, an OEM battery lasts between 3 to 5 years. However, extreme heat, frequent short trips, and failing to reset the BMS can reduce this lifespan to as little as 2 years.
Can I jump-start my Ford Explorer if it has a BMS?
Yes, you can jump-start it, but you should connect the negative jumper cable to a grounding point on the engine block or frame rather than the negative battery post. This allows the BMS sensor to monitor the incoming current correctly.
Why is my battery light still on after replacement?
This usually indicates that the BMS was not reset or that there is an issue with the alternator. If the light persists after a reset, have a professional test the charging system’s output voltage and amperage.
Taking care of your Explorer’s electrical heart ensures that your family adventures and daily commutes remain uninterrupted. By choosing the right specs and following the correct installation steps, you protect both your wallet and your vehicle’s complex electronics.
Whether you are prepping for a cross-country trek or just ensuring the school run goes smoothly, a fresh battery provides the ultimate peace of mind. Stay safe, stay powered, and keep exploring!
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