The Quick Answer: Replacing Your 2017 Ford Explorer's Tire Pressure Sensors
Replacing a 2017 Ford Explorer tire pressure sensor involves removing the tire, dismounting the sensor from the valve stem, installing a new sensor, and then resetting the TPMS. This process is vital if your low tire pressure light illuminates or specific sensor codes appear.
- New sensors often require an initial relearn procedure specific to your vehicle.
- Always replace sensors as a set or immediately after one fails for consistent performance.
- Torque specifications for the sensor nut are critical to prevent damage or leaks.
- A diagnostic tool is usually needed for the final TPMS reset sequence.
The Tire Pressure Monitoring System (TPMS) is a crucial safety feature, alerting you to dangerously low tire pressure conditions. When a sensor malfunctions, this warning light can stay illuminated, or the system may not function at all. For a 2017 Ford Explorer, replacing these sensors is a common maintenance task that many owners can perform themselves with the right guidance.
Understanding the basic components and principles behind TPMS is fundamental. Each wheel has a sensor that constantly monitors air pressure and transmits this data wirelessly to the vehicle's control module. When pressure drops significantly, the module triggers the dashboard warning light. This mechanism is critical for maintaining optimal tire performance and preventing blowouts.
While the system is designed to be robust, sensors can fail due to battery depletion, corrosion, or impact damage. If you've replaced a tire or noticed intermittent warnings, a faulty sensor might be the culprit. Our analysis indicates that proactive replacement, especially when one sensor fails, often prevents further issues down the line.
The primary consideration involves ensuring you have the correct replacement sensors compatible with your 2017 Explorer model year.
Understanding TPMS Sensor Functionality
TPMS sensors are small, battery-powered devices attached to the valve stem inside your tire. They communicate via radio frequency. Unlike basic motorcycle tire pressure monitoring systems, automotive TPMS is integrated into the vehicle's safety systems. They measure pressure and temperature, transmitting this data regularly. When the signal is lost or the pressure reading is critically low, the dashboard indicator illuminates.
The lifespan of a TPMS sensor battery is typically 5-10 years. Once the battery dies, the sensor becomes inoperative. Other issues can arise from physical damage during tire changes or from environmental factors like road salt corroding electrical contacts. It is imperative to acknowledge that a worn-out battery is the most common reason for sensor failure.
It's a common mistake to assume the TPMS light always means a flat tire. While it can indicate low pressure, a constantly illuminated light, or a flashing light followed by a solid light, often points to a system fault, such as a failed sensor or a need for a TPMS reset. This differs from simpler systems like a basic tire pressure gauge or even some motorcycle tpms tire pressure monitors.
If you're experiencing issues, you might encounter specific diagnostic trouble codes (DTCs) that point to individual sensors. This specificity helps pinpoint the exact faulty unit, though many mechanics recommend replacing all sensors simultaneously if they are all of similar age, akin to how one might consider replacing all spark plugs.
This mechanism is critical for preventing accidents and ensuring fuel efficiency.
Step-by-Step Guide to Replacing Your Explorer's TPMS Sensors
Has your 2017 Ford Explorer's TPMS warning light become a permanent fixture on your dashboard? Replacing the tire pressure sensors yourself is achievable, saving you money on labor costs. This guide details the essential steps, from preparing your workspace to completing the final system reset.
Before you begin, gather the necessary tools and parts. You will need: a new set of TPMS sensors compatible with your 2017 Ford Explorer (often sold as a kit), a tire machine or a good relationship with a tire shop for mounting/dismounting, a socket set, a torque wrench, a valve stem tool, and a TPMS diagnostic/reset tool. A professional-grade tool like a Haltec dual foot tire pressure gauge can be useful for verifying pressure, but the reset tool is for the TPMS system itself.
Our analysis indicates that using the correct torque specifications is paramount for sensor longevity.
- Remove the Tire: Loosen the lug nuts while the tire is on the ground, then jack up the vehicle and remove the lug nuts and tire.
- Deflate the Tire: Remove the valve cap and fully deflate the tire.
- Remove the Old Sensor: Locate the TPMS sensor attached to the valve stem. It's usually secured by a nut. Use a socket wrench to remove the nut and carefully pull the sensor free. Note its orientation.
- Install the New Sensor: Place the new sensor onto the valve stem. Secure it with the new nut provided with the sensor kit. Tighten it firmly by hand first.
- Torque the Nut: Use a torque wrench to tighten the sensor nut to the manufacturer's specified torque (typically around 35-45 inch-pounds for many vehicles, but always check your service manual). Overtightening can crack the sensor or valve stem, while undertightening can lead to leaks.
- Reinflate the Tire: Mount the tire back onto the wheel rim using a tire machine. Reinflate the tire to the recommended pressure found on your driver's side doorjamb sticker.
- Repeat for All Sensors: It is highly recommended to replace all four TPMS sensors simultaneously, even if only one has failed. This ensures consistent performance and avoids having to repeat the process again soon.
Once the tires are remounted and inflated, the vehicle's computer needs to recognize the new sensors. This is where the TPMS reset or relearn procedure comes into play. Without this step, the system won't update, and the warning light may persist, similar to how a low tire pressure light on a Nissan Altima requires a reset after adjustments.
Discover the TPMS relearn procedure for your 2017 Explorer online; some models can be initiated by letting air out of tires in a specific sequence, while others absolutely require a diagnostic tool.
The complexity of TPMS resets can vary. Some vehicles, like certain Nissan Sentra models, might have simpler sequences, while others, such as a Porsche Cayenne tire pressure reset, can be more involved. For your 2017 Ford Explorer, a dedicated TPMS scan tool is often the most reliable method.
Understanding this principle is fundamental to a successful TPMS sensor replacement.
Failure to properly reset the system can leave you with a constantly illuminated TPMS light, leading you to believe there's still a problem when the sensors themselves are functional.
Troubleshooting and Maintenance Best Practices
What do you do if your 2017 Ford Explorer's tire pressure sensors are installed, but the TPMS light still won't turn off? Troubleshooting is key to ensuring your safety system functions correctly. Beyond replacement, understanding common issues and maintenance tips can save you headaches.
The most common post-replacement issue is the TPMS light remaining illuminated. This almost always points to the need for a TPMS relearn procedure. Even if you used a tool, sometimes the sequence needs to be specific. If the light persists after a relearn, double-check that all sensors are correctly installed and torqued. Ensure the diagnostic tool used was compatible with your Ford Explorer and that no error codes are present.
Another potential problem is intermittent sensor readings. This could be due to a weak sensor battery, interference from other electronic devices, or even extreme temperature fluctuations affecting sensor accuracy. While less common, a faulty vehicle control module could also be the source, though this is a rare occurrence.
For vehicles operating in harsh environments, consider the impact of road salt and moisture on the sensors and valve stems. Corrosion can compromise the sensor's integrity and its connection. Unlike simpler systems that might not have external components like a Crossfire tire pressure equalizer, automotive TPMS sensors are exposed to road debris and weather.
It is imperative to acknowledge that regular tire maintenance is intrinsically linked to TPMS health.
Regularly check your tire pressure with a reliable gauge. This not only keeps your tires properly inflated but also helps you notice any unusual pressure drops that might indicate a slow leak or a malfunctioning sensor before it becomes a major issue. This practice is beneficial across all vehicle types, from your daily driver to a semi tire pressure monitoring system on a commercial truck.
When replacing tires, always inform your tire installer that your vehicle is equipped with TPMS. They should handle the sensors with care and use appropriate tools to avoid damage. Some shops may offer a package deal for replacing all sensors and performing the reset, which can be cost-effective.
Keep a record of when your TPMS sensors were replaced and the type of sensors used; this information is invaluable for future maintenance and troubleshooting.
This attention to detail is paramount for long-term system reliability.