How to Change Transmission Fluid in a 2015 Subaru Legacy: A Comprehensive Guide

If you own a 2015 Subaru Legacy, it is important to keep up with its regular maintenance to ensure its longevity and reliability. One important aspect of maintenance is changing the transmission fluid, which should be done every 30,000 to 60,000 miles depending on your driving habits. In this comprehensive guide, we will walk you through the step-by-step process of changing the transmission fluid in a 2015 Subaru Legacy.

Key Takeaways

  • Changing the transmission fluid in a 2015 Subaru Legacy is an important aspect of regular maintenance that should not be overlooked.
  • The process requires a few specialized tools, including a ratchet, a socket set, and a fluid pump.
  • Before starting the process, make sure that you have the right type of transmission fluid for your vehicle.
  • It is essential to follow the manufacturer’s recommendations for the frequency of transmission fluid changes to ensure optimal vehicle performance and longevity.

Tools and Materials Required

Before you start changing the transmission fluid in your 2015 Subaru Legacy, you will need to gather a few tools and materials:

  • Ratchet
  • Socket Set
  • Fluid Pump
  • Drain Pan
  • Funnel
  • Transmission Fluid

Make sure that you have all of these items on hand before you start the process to ensure that you can complete it without interruption.

Step-by-Step Instructions

Now that you have all the tools and materials required, here are the step-by-step instructions for changing the transmission fluid in a 2015 Subaru Legacy:

  1. Start by locating the transmission fluid dipstick under the hood of your vehicle. It is usually located on the passenger side of the engine bay and is labeled with a yellow handle.
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:warning: Tip: It’s a good idea to check the fluid level and condition before you start to get a baseline for comparison after you’ve changed the fluid.

  1. Using a socket set, remove the drain plug located on the transmission pan to drain the old transmission fluid. Be sure to place the drain pan underneath the drain plug before you remove it to catch the old fluid.

:warning: Tip: If the transmission pan gasket is damaged, it’s a good idea to replace it while you’re performing this procedure.

  1. Once all the old fluid has drained out, clean the drain plug and transmission pan. Then, reinstall the drain plug and tighten it to the manufacturer’s recommended torque specification.

  2. Now it’s time to refill the transmission with new fluid. Begin by removing the transmission dipstick and inserting the fluid pump into the dipstick tube.

:warning: Tip: It’s important to make sure you’re using the correct type of transmission fluid for your vehicle. Check your owner’s manual or consult with a Subaru dealership to ensure that you’re using the right type.

  1. Use the fluid pump to add the new transmission fluid to the transmission until the fluid level reaches the "full" mark on the dipstick.

:warning: Tip: Be sure to add the new fluid slowly and carefully to avoid overfilling the transmission, which can cause damage.

  1. Once you’ve added enough fluid, reinstall the dipstick and start the vehicle. Let the engine idle for a few minutes to allow the transmission fluid to circulate throughout the transmission.

  2. Check the transmission fluid level again and add more fluid if necessary to reach the "full" mark. Be sure to check the fluid level several times to ensure that it is at the correct level.

  3. Finally, take your vehicle for a test drive to ensure that the transmission is functioning properly and that there are no leaks.

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FAQs

Q: How often should I change the transmission fluid in my 2015 Subaru Legacy?

A: Subaru recommends changing the transmission fluid every 30,000 to 60,000 miles, depending on your driving habits.

Q: What type of transmission fluid should I use in my 2015 Subaru Legacy?

A: You should consult your owner’s manual or a Subaru dealership to determine the correct type of transmission fluid for your vehicle.

Q: Is it necessary to replace the transmission pan gasket when changing the transmission fluid?

A: If the gasket is damaged, it’s a good idea to replace it while you’re performing this procedure to avoid future leaks.

Q: Can I change the transmission fluid in my 2015 Subaru Legacy myself?

A: Yes, changing the transmission fluid in a 2015 Subaru Legacy is a relatively straightforward process that can be done by a DIYer as long as they have the necessary tools and materials.

Conclusion

Changing the transmission fluid in a 2015 Subaru Legacy is an important part of regular maintenance that can help to ensure the longevity and reliability of your vehicle. By following these step-by-step instructions and using the right tools and materials, you can complete this process easily and efficiently. Remember to check your owner’s manual or consult with a Subaru dealership to ensure that you’re using the right type of transmission fluid and following the manufacturer’s recommendations for frequency of changes.

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Alton Brobst

As a longtime Subaru enthusiast, Alton brings a wealth of knowledge and experience to our blog. From his early days of tinkering with engines to his current role as a certified Subaru technician, Alton has seen it all when it comes to Subarus. When he's not working on cars, he enjoys hiking and exploring the great outdoors.

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