How Much Transmission Fluid Does a 2013 Subaru Forester Need? The Essential Guide for Owners

Subaru Forester owners understand the importance of regular car maintenance to keep their car running smoothly. One crucial aspect of car maintenance is the transmission fluid, which is responsible for lubricating the parts within the transmission and keeping it cool. In this guide, we’ll cover everything 2013 Subaru Forester owners need to know about their car’s transmission fluid, including the recommended type and amount, why it’s important to use the correct fluid, how often it should be changed, and potential issues related to transmission fluid levels or quality.

Recommended Transmission Fluid Type and Amount

Subaru recommends using their own CVTF-II Continuously Variable Transmission Fluid for all 2013 Forester CVT models. This fluid is designed to provide smoother shifting and better fuel efficiency. The amount required for a 2013 Forester with a CVT transmission is approximately 11.5 quarts. For 2013 Forester models with an automatic transmission, Subaru recommends using their ATF-HP Automatic Transmission Fluid, and the amount required is approximately 9.0 quarts.

It’s essential to make sure you’re using the recommended transmission fluid type and amount for your Subaru Forester’s specific transmission type. Using the wrong fluid can cause damage to your transmission, which can lead to costly repairs.

Importance of Using the Correct Fluid

Using the correct transmission fluid is crucial for ensuring the longevity of your transmission. The recommended fluid type and amount are carefully calculated to provide optimal performance for your transmission. Using the wrong fluid or not enough fluid can cause your transmission to overheat, which can lead to costly repairs.

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How Often Should Transmission Fluid Be Changed?

Subaru recommends changing your transmission fluid every 30,000 miles or 24 months, whichever comes first. However, if you often drive in severe conditions, such as stop-and-go traffic or heavy hauling, Subaru recommends changing your fluid every 15,000 miles or 12 months.

It’s crucial to follow the recommended fluid change schedule to keep your transmission running smoothly. Neglecting to change your transmission fluid can cause sludge buildup and degrade the fluid’s quality, leading to transmission problems.

Potential Issues Related to Transmission Fluid

In some cases, Subaru Forester owners may experience transmission problems related to fluid levels or quality. One common issue is a transmission fluid leak, which can cause low fluid levels and inadequate lubrication of transmission parts, leading to damage and failure.

Another issue is contaminated or degraded fluid, which can cause transmission slippage, hard shifting, and overheating. If you notice any of these symptoms or suspect transmission problems, it’s essential to get your vehicle inspected by a qualified mechanic.

Subaru Forester Maintenance

Routine maintenance, including regular transmission fluid changes, is crucial for ensuring your Subaru Forester’s longevity and optimal performance. It’s essential to use the recommended fluid type and amount and follow the recommended change schedule to avoid transmission problems.

By following the recommendations outlined in this guide, you can help keep your 2013 Subaru Forester running smoothly for years to come.


Q: What happens if I use the wrong transmission fluid in my Subaru Forester?

Using the wrong transmission fluid can cause damage to your transmission, leading to costly repairs.

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Q: How often should I change my Subaru Forester’s transmission fluid?

Subaru recommends changing your transmission fluid every 30,000 miles or 24 months, whichever comes first.

Q: What type of transmission fluid should I use for my 2013 Subaru Forester?

For 2013 Forester CVT models, Subaru recommends their CVTF-II Continuously Variable Transmission Fluid. For 2013 Forester models with an automatic transmission, Subaru recommends their ATF-HP Automatic Transmission Fluid.

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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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