ATF Archives - Transmission Digest
LUBEGARD® GM 6 & 8-Speed Shudder Solution 

General Motors has published multiple technical service bulletins pertaining to torque converter clutch shudder issues in their 8-Speed transmissions. This problem currently affects 11 different models across 3 different OEM brands for the model years between 2015 and 2022. After implementing several fluid revisions, GM’s latest solution (TSB 18-NA-355) is lengthy, complicated, and expensive. It

Professional-Grade Full Synthetic Multi-Vehicle ATF

Champion Brands, a globally recognized blender and packager of motor oils, gear lubes, brake fluids, and many other specialty lubricants, is currently marketing GlobalTrans ATF, a professional-grade full-synthetic multi-vehicle (MV) automatic transmission fluid specifically designed to lubricates internal moving parts, but also provide hydraulic pressure, friction and cooling to make transmissions work more efficiently.  Champion

Video: Identifying ATF Contamination

Using test strips can help identify if there’s water or antifreeze contamination.

Video: Transmission Fluid

Transmission fluid has always been a key component of the automatic transmission, however, with today’s complexities it has never been more important. Virtually every transmission family uses a specific elixir containing a different additive package. Even the color of certain fluids has changed. Using the wrong ATF can result in a variety of drivability and