Experiencing issues with your Subaru’s electric power steering can be frustrating. Many Subaru owners report that the power steering assist might randomly quit, making steering very difficult. This issue can often be resolved by pulling over and restarting your car. Whether you’re worried about unusual steering sensations or specific warning lights, you’ll find useful insights and solutions here to help address these common problems.
Overview of Subaru Electric Power Steering
Subaru electric power steering systems have evolved significantly over the years. They’ve moved from hydraulic systems to more efficient electric ones. Understanding the components of these systems can help you identify potential issues and maintain your vehicle’s performance.
Evolution of Power Steering in Subaru Models
Subaru’s power steering technology has come a long way. Initially, vehicles used hydraulic power steering systems. These relied on a pump to provide necessary pressure for steering assist.
Over time, Subaru transitioned to electric power steering (EPS) systems, offering greater efficiency and improved fuel economy. Electric systems, like those in the 2015 Outback, only operate when input is detected from the steering wheel, conserving energy compared to the constantly running hydraulic pumps.
Power steering technology improvements have also led to reduced maintenance requirements. In older hydraulic-based systems, regular checks for fluid leaks were essential. In contrast, electric systems minimize such concerns by eliminating the need for hydraulic fluids.
Components of Subaru’s Electric Power Steering System
Subaru’s electric power steering system consists of several key components that work together seamlessly. These include the electronic control unit (ECU), electric motor, and sensors.
The ECU is crucial for processing inputs from sensors and controlling the electric motor’s operation. It ensures smooth steering by adjusting the assistance based on driving conditions. This technology reduces steering effort, making your driving experience more comfortable.
Additionally, sensors are vital as they monitor steering wheel angle and vehicle speed. If you encounter issues, like the EPS light illuminating, it’s often due to battery terminal problems or sensor malfunctions. Regular checks and maintenance can help keep these systems running smoothly.
Common Issues With Subaru Electric Power Steering
Subaru electric power steering can sometimes experience problems that affect driving. Understanding the symptoms, warning signs, and steps for diagnosing these issues can help you address them quickly and safely.
Symptoms of Power Steering Failure
When the power steering fails in your Subaru, you might notice the steering wheel becoming hard to turn. This lack of power assist makes driving challenging, especially at lower speeds. If the steering suddenly feels heavy or unresponsive, it’s a sign that the electric system, possibly the power steering module, is struggling.
Additionally, some Subaru owners report the steering not self-centering correctly. This problem can make the car feel unstable. Listen for unusual noises when turning the wheel. Clicking or whining sounds might indicate a steering control module issue.
Power Steering Warning Signs
Stay alert for any warning lights on your dashboard. A common power steering warning is the illumination of the power steering light, which can signal various issues ranging from electrical to mechanical.
Frequent flickering of warnings or lights that won’t go off could mean inconsistent connections. It’s important to check the electrical connections related to the power steering module.
Another critical warning sign is any delay in steering response. If you feel this while driving, it’s crucial to address the issue immediately to avoid unsafe conditions.
Diagnosing Electronic Power Steering Problems
Start by checking the basics, including tire pressure and wheel alignment, as these can sometimes mimic steering problems. Next, inspect the electrical connections to ensure they’re secure. Loose or corroded wires could be the culprit behind erratic steering behavior.
For a more thorough check, you might need a diagnostic tool to read error codes from the power steering control module. Using a tool like the Zurich 13S could help identify specific issues with the control module.
If these steps don’t resolve the issue, consulting a professional mechanic might be necessary. They can perform detailed diagnostics and repairs on the steering control modules to ensure your vehicle remains safe to drive.
Model-Specific Steering Concerns
Subaru’s electric power steering has presented model-specific problems for some drivers. This section focuses on the issues identified in the 2014 Subaru Forester and the Subaru Outback models, highlighting what you need to know.
2014 Subaru Forester Steering Issues
The 2014 Subaru Forester has been reported to have issues with electric power steering. These problems often involve the power assist, which may quit randomly, making steering difficult. In some cases, you could still steer, but it requires much more effort.
A temporary fix has been to pull over, turn off the car, and restart it. These problems can be traced to issues with sensors in the steering shaft, which occasionally fail. When these sensors stop functioning, the steering capability might be lost entirely until they decide to work again. Such issues underscore the importance of regular maintenance on your Forester to prevent unexpected steering difficulties.
Subaru Outback Steering Challenges
The Subaru Outback has its own set of steering challenges. Drivers have described the electric power steering as somewhat different from traditional systems. For instance, the power supply is only activated with steering wheel input, compared to a conventional system where the pump runs constantly. Some users have experienced a weird feeling while turning, noticing that it can be very easy to turn in one direction and harder in the other.
As reported in an online discussion, addressing these issues with professional service is recommended to ensure smooth driving. If you encounter such inconsistencies, checking the pressure sensors and steering control modules can be pivotal in resolving any discomfort or safety concerns while driving your Outback.
Troubleshooting and Repairs
When dealing with Subaru electric power steering issues, there are several approaches you can take to troubleshoot and fix the problems. These methods include resetting the system, replacing faulty parts, and checking for any relevant technical service bulletins (TSBs).
Resetting the Power Steering System
If your power steering system isn’t functioning properly, consider resetting it. Sometimes, power steering assist can be restored by turning off the engine and restarting the car. This process is similar to rebooting a computer and can resolve temporary glitches. Ensuring that the battery terminals are clean and secure is also crucial, as poor connections can impact performance.
A quick reset might resolve the issue without needing more complex solutions. Pay close attention to the EPS light on your dashboard, as it can indicate underlying issues that might require further inspection.
Replacing Faulty Steering Components
Sometimes, the problem lies within faulty components in the steering system. Identifying and replacing these parts is essential for a safe driving experience. Common parts to check include the EPS control module and steering sensors, which can fail and cause erratic steering behavior.
Diagnosing these issues usually involves connecting a scan tool to retrieve any relevant error codes. This pinpointing helps in deciding which components need replacement and prevents unnecessary repairs. Keeping your steering system in top shape is vital for vehicle safety and reliability.
Technical Service Bulletins (TSBs) Related to Steering
Technical Service Bulletins (TSBs) can provide valuable insights into recurring problems and their solutions. Subaru regularly releases TSBs to address specific issues, including electric power steering. It’s helpful to check if your vehicle is affected by any recent TSBs related to steering.
By reviewing these TSBs, you can discover common issues and the manufacturer-recommended fixes. Information provided by TSBs is often an indicator of broader issues and can guide you in addressing problems more effectively. Stay informed about the most current bulletins to ensure your vehicle receives any necessary updates or repairs.
Maintenance Tips for Subaru’s Electric Power Steering
Maintaining your Subaru’s electric power steering system can prevent common issues and ensure a smoother driving experience. Focus on regular check-ups and keeping the system powered efficiently.
Regular Check-Ups for Steering Components
It’s important to regularly check your steering components to catch any potential problems early. Inspect the steering wheel for unusual stiffness or strange noises that might indicate a problem. Look for any warning lights on the dashboard, such as the EPS light, which can alert you to issues even before they become serious.
Pay special attention to the battery terminals. Dirty or loose terminals can affect the power steering’s performance. Ensure that they are clean and properly tightened. This simple step can prevent the need for expensive repairs down the road.
Keep an eye on the steering fluid levels if your model has one. Though most electric systems might not use fluid, it’s worth checking your manual to be sure. A quick inspection during routine maintenance can make your steering feel smooth.
Keeping the Steering System Powered Efficiently
For efficient power steering, a fully charged battery is crucial. Since the electric power steering relies heavily on the car’s electrical system, keeping the battery in good condition is key. Make sure the battery is holding a charge, especially in colder weather when battery efficiency can drop.
You should occasionally check the alternator and related components too. A faulty alternator can cause electrical failures, impacting the smooth operation of the steering system. Ensuring these components are functioning well can help you avoid unexpected steering problems.
Finally, always consult your owner’s manual for any specific maintenance recommendations for your model. This resource can provide detailed guidance tailored to your vehicle’s needs, helping you maintain a trouble-free steering experience.
