GM Eight Speed Torque Converter Shudder Solution (VIDEO)

GM Eight Speed Torque Converter Shudder Solution (VIDEO)

The solution to this problem can be lengthy and complicated. This video is sponsored by LubeGard.

Welcome to the GM eight speed torque converter shudder solution by LubeGard. General Motors has issued multiple technical service bulletins on torque converter clutch shudder in the 8-speed, 8L45 and 8L90 transmissions. This problem affects over four million vehicles. That’s 11 different models across three different OE manufacturers between the model years 2015 and 2020. GM’s solution to this problem is lengthy and complicated. It requires a full fluid exchange that uses 20 quarts of an expensive and very specific full synthetic ATF.

Our research and development team went to work by replicating conditions that caused torque converter shudder using our state-of-the-art Falex MultiSpecimen Test Machine. We use this testing platform to create conditions that cause shudder to occur between an automatic transmission friction plate and a steel plate, replicating the movement in a torque converter. When the friction and steel plate specimens were lubricated with the GM recommended ATF alone, shudder and slippage still occurred.

We then ran the exact same test under the same conditions with the addition of Lube Gard Platinum ATF Protectant at a treat rate of two ounces per quart. The shudder was eliminated. The testing also shows that platinum provided control and stabilization of the fluid friction at a constant level throughout the test.

You can avoid the expensive replacement of the OEM ATF by simply adding two 10 ounce bottles or 20 ounces of Lube Gard Platinum ATF Protectant. If you do decide to go with the OEM fluid flush, you can add the platinum and prevent the torque converter shudder from returning. By adding platinum you’ll also be protecting the transmission from friction, wear, heat and additive depletion.

For more information on LubeGard products and where to purchase them, visit our website at www.lubegard.com, or send us an email at [email protected]. Thanks for watching.

This video is sponsored by LubeGard

You May Also Like

Mass Air Flow Sensor Cleaners

What can you do both for maintenance and for service and diagnostics to confirm a mass airflow sensors functioning properly? Andrew Markel shares the secret in this video sponsored by Auto Value and Bumper to Bumper.

The theory and operation of any mass airflow sensor is pretty basic. What you have is a wire in the Airstream entering the engine. It has current running through it. This current heats up the wire. As the air flows over this wire, it changes the resistance in the wire. The change in resistance shows the ECM, how much air is entering into the engine. But by heating up a wire that is in the Airstream entering the engine, even after the filter, it can have contaminants that can stick to that hot wire and cause faulty readings about the air entering into the engine. This can cause numerous codes because either it's under or over reporting the air entering the engine, and it's not very accurate. And using the oxygen sensor, the ECM can see issues with the mass airflow sensor. So what can you do both for maintenance and for service and diagnostics to confirm a mass airflow sensors functioning properly?

ADAS Calibrations: Limited Space

Babcox Media’s Joe Keene provides a quick overview of many examples that demonstrate ADAS work should be in play for almost everyone.

Growing Service Opportunities: Vacuum Pumps and Parking Brake Actuators

As the car parc evolves, so do service opportunities. This video is sponsored by Standard.

Software Focus: Efficient Diagnostics

Discover how to quickly retrieve codes, access exclusive repair information, and develop a strategic plan for optimal diagnostic results. This video is sponsored by Bosch.

Clutch System Components

By adopting a systematic approach and utilizing quality kits, the longevity and efficiency of the timing system can be maximized, ensuring a smoother-running engine. This video is sponsored by The Group Training Academy.

Other Posts

Timing Components

By adopting a systematic approach and utilizing quality kits, the longevity and efficiency of the timing system can be maximized, ensuring a smoother-running engine. This video is sponsored by The Group Training Academy.

Wheel Bearings Components

Follow along to learn what you may encounter when dealing with a Gen 1 wheel bearing. This video is sponsored by The Group Training Academy.

How EVs Have Changed Wiper Blade Service

For EVs, noisy wiper blades can be an annoyance because there is no internal combustion engine to help cancel out that noise.

DRiV’s Jeff Koviak: Strategies for a Changing Aftermarket

A grad of Northwood University, Koviak delves into his career and how he’s grown with the changes at Tenneco and DRiV over the years.