The unsung hero behind the scenes is the Subaru Forester starter motor when starting your Subaru Forester. This critical component is responsible for igniting the engine and ensuring your vehicle is ready to hit the road when you are. Whether you’re a seasoned Subaru owner or a new enthusiast, understanding the starter motor’s role, signs of wear, and replacement procedures can help you maintain your vehicle’s performance and reliability. This guide delves into everything you need to know about the Subaru starter motor, from identifying common signs of a failing motor, such as a clicking noise when turning the key or intermittent engine cranking.
What is a Subaru Impreza Starter Motor?
Similar to the Subaru starter motor, a Subaru starter motor is an essential component of the vehicle’s ignition system. Its primary function is to initiate the engine’s operation by turning over the crankshaft, allowing it to begin the combustion process. When you turn the ignition key or press the start button, the starter motor engages with the engine’s flywheel, creating the necessary motion to start the engine.
The starter motor in a Subaru Impreza is typically an electric motor powered by the vehicle’s battery. It comprises several key parts, including the armature, solenoid, and gears. The solenoid acts as an intermediary between the ignition switch and the starter motor, activating the starter motor when the ignition is turned on. This process ensures the engine reaches the required speed to operate independently.
One of the unique aspects of the Subaru Impreza starter motor, particularly in all-wheel-drive (AWD) models, is its positioning. The starter is usually located near the bottom of the engine bay, close to the transmission. This placement ensures efficient engagement with the flywheel, which is essential for the proper starting of the engine.
The design and efficiency of the Subaru starter motor contribute significantly to the vehicle’s overall performance. A well-functioning starter motor ensures quick and reliable starts, regardless of weather conditions or driving environments. Understanding how this component works and where it’s located can help diagnose potential issues and perform timely maintenance or replacements to keep your Impreza running smoothly.
Common Signs of a Faulty Starter Motor
A faulty starter motor can lead to frustrating car troubles. Recognising the signs early can save you from being stranded. Here are some common indicators that your starter motor might be failing:
Difficulty Starting the Engine
One of the most noticeable signs of a bad starter motor is trouble starting your vehicle. If you turn the key and hear a clicking sound or nothing at all, the starter motor might be the culprit. This issue often indicates that the motor is failing to engage properly.
Grinding Noise
If you hear a grinding noise when starting your car, it could be a sign of a worn starter motor. This noise usually occurs when the starter gear doesn’t fully engage with the engine’s flywheel. Ignoring this noise can lead to further damage.
Intermittent Operation
A starter motor that works intermittently may indicate internal problems. If your car starts fine some days but struggles other times, the starter motor could fail. This issue is often due to worn brushes or other internal components.
Electrical Issues
A faulty starter motor can also cause electrical problems. If you notice dimming lights or a loss of power when starting the engine, the starter might be drawing too much power or draining the electrical system.
Smoke or Burning Smell
A failing starter motor might overheat in severe cases, producing smoke or a burning smell. This could be due to electrical shorts or excessive friction. If you experience this, it’s crucial to address the issue immediately to prevent further damage.
How to Replace the EJ25 Starter Motor?
Replacing the starter motor in your Subaru Forester is manageable, especially if you have basic mechanical skills. Here’s a step-by-step guide for replacing the starter motor:
Gather Tools and Materials:
You’ll need a socket set, wrenches, a ratchet, and a new starter motor compatible with your Subaru Forester.
Disconnect the Battery:
Safety first! Disconnect the negative terminal of the battery to avoid any electrical hazards.
Locate the Starter Motor:
The starter motor is typically located near the transmission on the driver’s side of the engine bay.
Remove Electrical Connections:
Carefully detach the wiring harness and power cables from the starter motor. Make sure to take note of their positions for reassembly.
Unscrew the Starter:
Use the socket set to remove the bolts securing the starter motor.
Install the New Starter Motor:
Position the new starter motor and secure it with the bolts. Reconnect the electrical connections, ensuring they are snug and secure.
Reconnect the Battery:
Once everything is reassembled, reconnect the negative battery terminal.
Test the New Starter:
Start your Subaru Forester to ensure the new EJ25 Starter Motor functions correctly.
Following these steps, you can efficiently replace the starter motor and enjoy a reliable starting experience.
Diagnosing Starter Motor Problems in Your Subaru Forester
To diagnose starter motor problems in your Subaru Forester, start with a basic inspection of the battery condition, as a weak or dead battery can often be mistaken for a starter issue. Next, check the battery terminals and starter motor connections for any signs of corrosion or looseness, as poor connections can hinder the starter motor’s performance.
Proceed to test the starter relay, which sends power to the starter motor. A malfunctioning relay can prevent the starter from engaging, making it crucial to verify its functionality. You can use a multimeter to perform a voltage drop test, which helps determine whether the starter is receiving adequate power from the battery.
Consider bench-testing the starter motor if these checks don’t reveal the issue. This involves removing the starter and connecting it directly to a power source to assess its performance outside the vehicle. By systematically evaluating these components, you can accurately identify the cause of starting problems in your Subaru Forester.
Listen for any unusual noises when attempting to start the engine, such as grinding or clicking sounds, which can indicate specific starter issues. Don’t overlook the ignition switch, as a faulty switch can also prevent the starter motor from functioning properly.
Maintenance Tips for Prolonging EJ20 Starter Motor Life
Maintaining the starter motor in your EJ20 engine is crucial for ensuring reliable starts and extending its lifespan. Here are some essential tips to help you keep your starter motor in top shape:
1. Regularly Inspect Electrical Connections
Ensure all electrical connections to the starter motor are clean, tight, and corrosion-free. Loose or corroded connections can lead to poor starting performance and potential damage to the starter motor.
2. Keep the Battery in Good Condition
The EJ20 Starter Motor relies heavily on the battery for power. A weak or failing battery can strain the starter motor, leading to premature wear. Regularly check the battery’s charge and condition, and replace it if necessary.
3. Avoid Frequent Short Trips
Frequent short trips prevent the battery from fully charging, which can cause additional strain on the starter motor. Try to take longer drives occasionally to ensure the battery remains in good condition and reduces the load on the starter motor.
4. Listen for Unusual Sounds
Pay attention to any unusual noises when starting your vehicle. Grinding, clicking, or whirring sounds can indicate issues with the starter motor or its components. If you notice any of these sounds, have the starter motor inspected by a professional.
5. Perform Regular Maintenance
Follow the manufacturer’s recommended maintenance schedule for your vehicle. Regular oil changes and engine maintenance can help prevent issues that might indirectly affect the starter motor’s performance.
Expert Tips for Choosing a Quality Replacement Starter Motor
When selecting a replacement starter motor for your Subaru Forester, focusing on quality and compatibility is essential to ensure optimal performance. Start by evaluating whether to choose an original equipment manufacturer (OEM) part or an aftermarket alternative. OEM parts are designed specifically for your vehicle, ensuring perfect fit and reliability, while aftermarket options might offer cost savings but require careful vetting for quality.
Reviews and ratings from other Subaru Forester owners can be invaluable in your decision-making process. These firsthand accounts can provide insights into the performance and longevity of various starter motor brands, helping you avoid potential pitfalls.
Warranty is another crucial factor. A starter motor with a good warranty indicates the manufacturer’s confidence in their product. This assurance can provide peace of mind and financial protection in case of premature failure.
Consulting with professionals can also be beneficial. Mechanics or automotive specialists familiar with Subaru vehicles can offer expert advice on which brands and types of starter motors are most reliable and compatible with your Forester.
Lastly, always verify the starter motor’s compatibility with your specific Subaru Forester model and engine type. Double-checking these details can prevent installation issues and ensure your new starter motor operates seamlessly with your vehicle’s systems.
Considering these expert tips, you can make a well-informed choice when selecting a replacement starter motor for your Subaru Forester, ensuring both performance and reliability.
Conclusion
Regular upkeep of your Subaru Forester starter motor ensures your vehicle’s reliability and performance. By understanding how this component functions, you can better diagnose issues and take proactive steps to address them before they escalate. Key maintenance practices, such as keeping your battery and electrical connections in optimal condition, along with periodic inspections for signs of wear or damage, can significantly prolong the life of your starter motor. By staying informed and attentive to the needs of your Subaru starter motor, you can ensure that your vehicle remains dependable, providing you with the confidence to tackle any journey.
FAQS
Q1: How can I tell if my Subaru Forester starter motor is failing?
Common signs of a failing Subaru Forester starter motor include hearing a single click or a series of rapid clicks when turning the ignition key, the engine not turning over, intermittent starting issues, a burnt odour when starting the car, or dashboard warning lights indicating potential electrical problems.
Q2: Can I replace the Subaru starter motor myself?
Yes, if you have basic mechanical skills, you can replace the starter motor. The process involves disconnecting the battery, locating the starter motor, removing the electrical connections, unscrewing the old starter motor, and installing the new one. Make sure to follow safety protocols and use the appropriate tools.
Q3: How often should I inspect the starter motor in my Subaru Forester?
Regular inspections during routine maintenance, such as oil changes, are recommended. This helps identify early signs of wear or potential issues. Listen for any unusual sounds during startup, which could indicate a problem.
Q4: What causes a Subaru starter motor to fail?
Starter motors can fail for various reasons, including worn-out internal components, electrical issues, corroded connections, and excessive strain from a weak battery. Over time, dirt and debris can also accumulate, leading to overheating and wear.
Q5: Is it better to choose an OEM or aftermarket starter motor for replacement?
OEM (original equipment manufacturer) starter motors are designed specifically for your Subaru Forester, ensuring perfect fit and reliability. Aftermarket options might offer cost savings but require careful vetting for quality. Reviews, ratings, and warranties are crucial when choosing a replacement starter motor.
Q6: How long does a Subaru starter motor typically last?
A well-maintained starter motor can last 100,000 to 150,000 miles or more. Regular maintenance, including keeping the battery and electrical connections in good condition, can significantly prolong its lifespan.