How Often Should I Change Transmission Fluid?

Adding transmission fluid to flush machine.

How often to change transmission fluid depends on your vehicle year, make and model, along with your driving habits. Get the details here.



What is the Best Transmission Fluid?

Pouring AMSOIL ATF into truck.

AMSOIL Signature Series Synthetic ATF excels at fighting heat and protecting gears and clutch plates, as demonstrated in severe testing.



What is Transmission Fluid?

Ford Mustang on the road with an "Easy-Pack" of AMSOIL Automatic Transmission Fluid

Transmission fluid is a lubricant formulated to protect your vehicle’s transmission gears and clutch packs while enabling smooth, crisp shifts.



What Kind of Transmission Fluid Do I Need?

What kind of transmission fluid do I need?

We provide all the info you need to find the right kind of transmission fluid for your vehicle. Plus, find out how to check transmission fluid.



Prep Your Vehicle Now for Your Summer Road Trip

Summer road trip

Summer road trips are supposed to bring lifetime memories, not frustration due to car trouble. Prep you vehicle now for you next road trip.



Common Fixes for a Transmission that Shifts Hard

Automatic transmission

An automatic transmission can shift hard, jerk or hesitate for a number of reasons. Here’s what to look for to keep your vehicle shifting smoothly.



Transmission Flush vs Fluid Change: Which is Better?

Transmission flush

Is a flush or pan drop better when changing transmission fluid? Learn the pros and cons of each method.



8 Overlooked Vehicle-Maintenance Services

Vehicle maintenance

These often-overlooked vehicle-maintenance practices can not only help avoid expensive repairs, they can boost performance.



How Does a Dual-Clutch Transmission (DCT) Work?

DCT Transmission

A DCT transmission is like two manual transmissions working together. One gear shaft contains the even gears, and the other contains the odd-numbered gears.