How Long Should Your Subaru Automatic Transmission Last? Expert Tips for Prolonging Transmission Lifespan

Subaru is known for producing high-quality vehicles that are both reliable and durable. While Subaru automatic transmissions are generally built to last, there are several factors that can affect their lifespan. In this article, we’ll explore those factors and provide expert tips for prolonging your transmission’s lifespan.

Factors That Affect Subaru Automatic Transmission Lifespan

  1. Driving Habits: How often you drive and the type of driving you do can have a significant impact on the lifespan of your Subaru automatic transmission. If you regularly drive in stop-and-go traffic or frequently tow heavy loads, your transmission will experience more wear and tear than if you primarily drive on the highway.

  2. Maintenance: Regular maintenance is critical to keeping your transmission in good condition. Neglecting oil changes and failing to replace worn or damaged parts can cause premature wear and damage to the transmission. Additionally, using the wrong type of transmission fluid can be detrimental to the longevity of your transmission.

  3. Vehicle Age: As your vehicle gets older, the transmission components will also begin to wear down. While proper maintenance can help prolong the lifespan of your transmission, eventually, even well-maintained transmissions will require replacement.

Signs of Transmission Problems

Knowing the signs of transmission problems can help you identify issues before they become severe and expensive to repair. Here are a few symptoms that may indicate a problem with your Subaru automatic transmission:

  • Transmission slips out of gear, causing your vehicle to suddenly lose power.

  • Delayed engagement when shifting gears (e.g., you press the accelerator, but the vehicle doesn’t move forward immediately).

  • Strange noises, such as grinding or whining.

  • Shaking or jerking during gear shifts.

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If you notice any of these symptoms, it’s crucial to address them promptly by taking your vehicle to a trusted mechanic.

Tips for Prolonging Your Subaru Automatic Transmission Lifespan

  1. Follow Regular Maintenance Schedule: Sticking to the manufacturer-recommended maintenance schedule is critical to keeping your transmission in good condition. Regular transmission fluid changes, filter replacements, and inspections can help identify issues before they become severe.

  2. Use Recommended Transmission Fluid: Using the manufacturer’s recommended transmission fluid is crucial to the longevity of your Subaru automatic transmission. Consult your owner’s manual and follow the guidelines closely.

  3. Avoid Overworking Your Transmission: If possible, avoid driving in traffic-heavy areas and towing heavy loads regularly. This can put excessive strain on your transmission, causing damage over time.

  4. Pay Attention to Warning Signs: As mentioned earlier, it’s important to pay close attention to warning signs of transmission problems. Addressing minor problems early can prevent more severe issues.


How long do Subaru automatic transmissions last?

Subaru automatic transmissions are generally built to last between 100,000 and 200,000 miles. Proper maintenance can help prolong transmission life, but ultimately, the lifespan will vary based on several factors.

How often should I change the transmission fluid in my Subaru?

Subaru recommends that you change the transmission fluid in your vehicle every 30,000 to 60,000 miles, depending on the model.

How do I know if my Subaru automatic transmission needs repair?

Symptoms of a failing Subaru automatic transmission include slipping out of gear, delayed engagement when shifting gears, strange noises, and shaking or jerking during gear shifts.

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In conclusion, Subaru automatic transmissions can last a long time with proper maintenance and care. Following the manufacturer’s recommended maintenance schedule, using the right transmission fluid, avoiding overworking your transmission, and paying attention to warning signs are all crucial to prolonging the lifespan of your transmission. With these expert tips in mind, you can enjoy many more years of trouble-free driving.

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Joseph Weaver

With a background in engineering and a passion for cars, Joseph brings a unique perspective to our blog. He's particularly interested in the technology and innovation behind Subaru's advanced safety features, and his articles on this topic are always insightful and informative. When he's not writing, he enjoys playing video games and spending time with his family.

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