That is all well and good-faithed, but it does not address the most prolific issues in this transmission, as we will discuss further below. They completely re-engineered the pump and valve body to provide devout accumulation and control to the torque converter’s lockup clutch. Unfortunately, they did not properly resolve the problem. They just appear to wear more slowly.įortunately, they did try to resolve the 68RFE transmission plaguing complications in 2019. In factory configuration, the anodized valve bodies appear to have all of the same issues as the non-anodized valve bodies. We have tested and tested the anodized versus the non-anodized valve bodies and the conclusion is consistent and simple. There was a benefit to this, it partially minimized crossleakage. In fact, we have an entire Transmissions 101 on this specific topic. Naturally, Mopar heard the inbound news of warranty calls and jumped into action to make a marginally less cheap product (let’s be real here) by anodizing the casting itself to prevent the complication of bore wear over time. The following year, in 2011, it became obvious that the material used to manufacture the pumps and valve bodies (an extremely soft aluminum) was dying expeditiously and contributing to a surplus of warranty calls to Mopar. This maintained until Model Year 2010 where they converted to not only the “4th Generation” body style, but also a joint PCM system that circumnavigated the necessity for a stand-alone control module for the transmission. This meant that Dodge, per usual, was playing a game of catch-up with their outdated and inferior drivetrain technology.Ĭoarsely, the 68RFE transmission arrived at 2007.5 controlled by a stand-alone TCM mounted to the passenger side of the trucks firewall. On General Motors end, the 6 Speed Allison was well in effect, and the LMM DuraMax had just come forth as a more emissions-compliant LBZ. The 68RFE transmission came to the market at a time when the Ford 5R110 was mid-swing, and the 6R140 was just an idea gaining locomotion. Top 5 Ways to Extend the Life of a Factory TransmissionĪ Brief History of the 68RFE Transmission: Calculating Torque Multiplication Factor, Why is it So Important? Top 5 Benefits of an Upgraded or Built Transmission Popular Transmission Information Resources: Resources for relevant updates and upgradesĬhrysler 68RFE Transmission Product Resources: The strengths (believe it or not, there are a few!) of this transmission
Its capabilities in reference to TCM tuning and shift/lockup protocol modification The most popular failures we witness on the 68RFE transmission In this Drivetrain 101, we will be addressing: > View our 68RFE Transmissions & Parts Catalog Here! Whether you’re daily driving or drag racing, if you want to know more about the 68RFE transmission, this Drivetrain 101 is for you!
Our goal is to ensure that you, the reader, are as empowered with knowledge as possible on the 68RFE transmission and it’s unique needs. To become an expert on the 47RE or 48RE, check out our Transmissions 101 on the 47RE and 48RE Transmission here. The 48RE was based on the 727 TorqueFlite dating back to the 60’s and 70’s, making it a trustworthy asset despite it’s unique imperfections. That stated, are you ready to become an expert on the “infamous” 68RFE transmission? The Chrysler 68RFE Transmission has been both a progressive leap and a plague to the 6.7L Cummins Community since 2007.5, when it became the successor to the staunchly supported 48RE Transmission. As a result, it became evident that this popular and often problematic transmission needed it’s own installment in our educational Drivetrain 101 section.
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Problem #2 - The High Pressure Oil PumpĪs the executive choice in high quality and proprietary 68RFE transmissions, rebuild kits and parts, we’re often pelted with questions about it’s numerous problems and how to prevent them. 68RFE Transmission TCM Tuning and Adaptivity Protocol How the 68RFE Transmission Clutch Packs Work A Brief History of the 68RFE Transmission Popular Transmission Information Resources Chrysler 68RFE Transmission Product Resources In this Drivetrain 101, we will be addressing
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