Transmission Fluid Capacity Calculator

Transmission fluid keeps your car's gearbox running smoothly, and using the wrong amount during a service can cause serious damage — the Transmission Fluid Capacity Calculator tells you exactly how much fluid your vehicle needs. Enter your vehicle year, make, model, type, and transmission type, then select your service type (drain & refill, full flush, or top off), use severity, and monthly miles to get the fluid capacity required in quarts. Secondary outputs include the recommended fluid type, estimated fluid cost, and your suggested service interval.

Results

Fluid Capacity Required

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Recommended Fluid Type

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Estimated Fluid Cost

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Service Interval

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Frequently Asked Questions

How do I know what type of transmission fluid my car needs?

Check your owner's manual or the dipstick for the specific fluid type. Common types include Dexron/Mercon for automatic transmissions, specific CVT fluid for CVT transmissions, and gear oil for manual transmissions.

What's the difference between a drain & refill and a full flush?

A drain & refill removes about 40-50% of old fluid and replaces it with new fluid. A full flush removes nearly all old fluid but requires special equipment and more fluid.

How often should I change my transmission fluid?

Typical intervals range from 30,000-60,000 miles for normal driving, or 15,000-30,000 miles for severe conditions like towing or stop-and-go traffic. Always follow your manufacturer's recommendations.

Can I use any transmission fluid in my vehicle?

No, you must use the specific type recommended by your manufacturer. Using the wrong fluid can damage seals, cause shifting problems, or void your warranty.

Why does driving severity affect transmission fluid needs?

Severe conditions like towing, frequent stop-and-go traffic, or extreme temperatures cause the transmission to work harder and generate more heat, breaking down the fluid faster.

Is synthetic transmission fluid worth the extra cost?

Synthetic fluids typically last longer, perform better at temperature extremes, and provide better protection. They're especially beneficial for high-mileage vehicles or severe driving conditions.

How much does a transmission fluid service typically cost?

A drain & refill typically costs $80-150, while a full flush can cost $150-300. Costs vary by vehicle type, fluid type, and labor rates in your area.