Frequent question: Should you flush or drain transmission fluid?

Transmission flushes are recommended every 45,000 miles or 3 years in place of a drain and fill or to replace fluid changes altogether. … With a flush, all old fluid is removed with a flush machine and then new fluid is added, allowing the transmission to perform at its best.

Is it better to drain or flush transmission fluid?

Proponents of transmission flushes will often argue that a flush is a better service because it replaces more of your transmission fluid. It’s true that removing your transmission pan or draining your transmission via its drain plug (as your car manufacturer intends) only removes about 70% of the fluid inside.

Why You Should Never flush your transmission fluid?


Are transmission flushes really necessary?


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What happens if I don’t flush my transmission fluid?

Transmission Overheats.


How much does it cost to drain and replace transmission fluid?

It depends on where you take it. At a mechanics shop or dealer, the price will likely range between $80 to $250. However, if you’re willing and able to do it yourself, it should fall between $50-$100.

Can a transmission flush hurt your transmission?

Can a transmission flush harm the transmission? … That being said, if your vehicle has gone 100,000 miles or more and you’ve never done a transmission flush, there’s a greater chance that a flush will cause the transmission to fail, and your mechanic may advise against it.

What is the average cost for a transmission flush?


How do I know if I need a transmission flush?

When to Flush: 4 Most Common Signs of a Troubled Transmission

  2. Hard to Shift Gears. …
  3. Slipping Gears. …
  4. Vehicle Surge.
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Is it bad to change transmission fluid on high mileage?


Should I change transmission fluid if it’s never been changed?

The biggest legend is if the fluid hasn’t been changed in a long time, it shouldn’t be because it’s old. That’s not really true, but here’s what IS true. If the valve body gets all gunked up with transmission fluid that’s damaged, the driver could lose the ability to shift between gears.

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