Ford’s 6R140 lockup mechanism was excellent in the fact that it locked up facing the stator, rather than the flexplate.Įxtremely heavy duty transmissions such as the 10L1000, 6R140 and AS69RC feature converters with reversed or “backwards” lockup mechanisms for generic reliability, heat management and oil coupling reasons. The problem here is ironically not design, in fact, it’s a fun-house mirror version of Ford’s 6R140 Torque Converter’s lockup mechanism. There is a lot of good AND a lot of bad, so we have divided this into multiple sections. If there is one Achilles’ Heel to this transmission, it is the dismally inferior OEM torque converter. Problem #1 - The Torque Converter Lockup Mechanism The strengths (believe it or not, there are a few!) of this transmission Its capabilities (or lack there of) in reference to TCM tuning and shift/lockup protocol modification The most popular failures we witness on the Allison 10L1000 transmission
In this Drivetrain 101, we will be addressing: Top 5 Ways to Extend the Life of a Factory Transmission Calculating Torque Multiplication Factor, Why is it So Important? Top 5 Benefits of an Upgraded or Built Transmission Popular Transmission Information Resources: That stated, and without further ado, we will address the most prolific problems, solutions and upgrades available for the new Allison 10 Speed 10L1000 Transmissions. In fact, we compiled all of this data into our version of the 10L1000, seen below. Though this is generally a “good” transmission, it does have a fair number of easy to address problems that simply require some data analysis and technical understanding. In fact, this transmissions internal components are largely interchangeable with those of the Ford, the parent engineer of this product. One thing that should be noted about the Allison 10L1000 is that this transmission is a fraternal twin of the Ford TorqShift 10 Speed 10R140. In fact, it has the highest relative torque capacity of any transmission released in this class to date, far exceeding competitors such as the AS69RC or 6R140.
ALLISON TRANSMISSION PROBLEMS FOR FREE
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ALLISON TRANSMISSION PROBLEMS SERIES
You can learn more about the 2001 through 2019 Allison 1000 Transmission by reading our Drivetrain 101 on the 5 & 6 Speed Allison 1000/2000 Series Transmission. It is the successor to the 6 Speed Allison 1000 Transmission, whose tenure began in 2001 with the LB7 DuraMax and ended in 2019 under the L5P years. This transmission is easily the most robust, well engineered and dynamic transmission to be paired behind the DuraMax series trucks to date. To get straight to the point, the Allison 10 Speed 10L1000 was released for the 2020 model year in General Motors heavy duty Silverado and Sierra trucks and is currently in use today. Introduction to the Allison 10L1000 Transmission: Conclusion to the Allison 10L1000 Transmission Problem #6 - The High Pressure Oil Pump Problem #3 - Functional Issues Caused by Added Power Problem #1 - The Torque Converter Lockup Mechanism In this Drivetrain 101, we will be addressing Popular Transmission Information Resources Introduction to the Allison 10L1000 Transmission
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