One of the most important benefits of a transmission flush is that this simple service can prevent transmission problems in the future. When your transmission fluid becomes too dirty or contaminated with debris, it will no longer be able to provide power or lubrication for your transmission.
What does changing the transmission fluid do?
A transmission fluid change is simply removing the dirty fluid from the transmission pan and replacing it with a new product while leaving some of the old fluid in the pan. A flush completely removes almost all ATF from the vehicle and fully replaces the fluid throughout every element of the transmission and cooler.
Will changing transmission fluid improve shifting?
If you catch a shifting issue very early, a transmission fluid flush can sometimes fix shifting issues. The fresh fluid helps clutch discs and steel discs bond and hold without slipping. The seal conditioners in the new fluid help soften the clutch piston lip seals so they seal better.
Is it really necessary to change transmission fluid?
Do You Need to Have the Transmission Fluid Changed? The simple answer is yes. But service intervals for new vehicles can exceed 100,000 miles before this needs to be done. … Those who don’t hold on to a new vehicle for very long may never have to have the transmission fluid changed.
Why You Should Never flush your transmission fluid?
Pressure flushing can cause aging seals to start leaking. When it leaks more than a quart it could burn up the unit. Flushing does not cause the transmission to fail but it may speed up the process because it pushed metal particles back through the system.
Is it better to flush or drain 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.
How do I know when my transmission fluid needs to be changed?
Signs That You Need to Change Your Transmission Fluid
- Puddles under your car. …
- Roaring sounds when you accelerate or go around corners. …
- Difficulty shifting. …
- Engine revving when going around corners.
- A chattering noise when you start driving. …
- A slight burning smell.
- Warning light.
Should I change my transmission fluid after 100k miles?
Yes, you should change transmission fluid after 100k miles. Before this needs to be done, the service intervals for new vehicles can be over 100,000 miles.
How can I make my transmission last longer?
How to Extend the Life of Your Performance Transmission
- Check the Transmission Fluid Regularly. …
- Use Synthetic Fluid. …
- Service Your Transmission Every 30,000 Miles. …
- Use an External Filter. …
- Maintain the Cooling System. …
- Practice Good Driving.
Is it bad to change transmission fluid on high mileage?
Changing the transmission fluid on a high-mileage car is risky. Don’t do it unless your transmission is running fine and the fluid is first-rate, because it can make transmission failure imminent.