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Everyone hates the feeling of being stranded because your truck won’t start. The stress and inconvenience can be overwhelming. It doesn’t have to be that way, though. If you know what to look for and how to avoid common transmission problems, your chances of seeing the red light go on are greatly improved. 68RFE Failures can be prevented, read on.

If you own a Dodge Cummins equipped with the 68RFE automatic transmission, there’s something you need to know. A fair number of these trucks have been plagued by the early failure of their transmission due to a design flaw that causes the torque converter lock-up clutch (TCC lockup) to fail at an accelerated rate. This article explains why this is so, how it affects your truck, and what you can do about it.

 

What is the 68RFE transmission and why is it so prone to failure?

The 68RFE transmission is a 6-speed automatic transmission developed jointly by Ford and General Motors for use in their heavy duty trucks, vans, and SUVs. In addition to the Fords and GMs, it was also used in Ram trucks for several years. Ford used the 68RFE in its Super Duty and Super Truck lines from 2005 to 2017.

In that time, it was involved in a number of transmission problems that are currently the subject of a class action lawsuit. Because the 68RFE transmission uses a clutch-type torque converter, it is especially vulnerable to damage from contaminated fluid. Ford made provisions in later years to clean the transmission fluid more thoroughly but, unfortunately, the damage had already been done.

A great many of these transmissions succumbed to internal failure early in their lives and have been a source of frustration ever since.

3 Common Symptoms of a Failing TCC Lock-Up Clutch

– Hard Shifts – Soft Shifts – Transmission Slipping

 

How to Detect a 68RFE Transmission Failure Before it Shuts Down

The transmission warning light will come on and stay on as the transmission fails. It will start to flash at some point as the transmission nears its shut down. You’ll know it’s time to get it fixed. For those who rely on their gauges to tell them what’s going on inside their transmission, the TCC lock-up clutch failure will result in two things – a drop in transmission temperature and a rise in transmission oil temperature. The drop in transmission temperature can be attributed to the fact that the TCC lock-up clutch is no longer aiding in the cooling of the transmission.

The rise in transmission oil temperature can be attributed to the fact that there is less oil flow due to the same problem.

 

What you can do to prevent transmission failure

All transmissions, regardless of make or model, will eventually fail due to wear and tear. There’s no way to avoid that. Preventing premature transmission failure, though, is something that can be done. The following steps can help keep your transmission in top condition.

Conclusion

The 68RFE transmission is a 6-speed automatic transmission developed jointly by Ford and General Motors for use in their heavy-duty trucks, vans, and SUVs.

In addition to the Fords and GMs, the 68RFE was also used in Ram trucks for several years. Ford used the 68RFE in its Super Duty and Super Truck lines from 2005 to 2017. At that time, it was involved in a number of transmission problems that are currently the subject of a class-action lawsuit. Because the 68RFE transmission uses a clutch-type torque converter, it is especially vulnerable to damage from contaminated fluid, particularly in the first 100,000 miles.

 

Contact us if you want to learn even more!

Available for the Dodge 2007.5 and up

To be sure you do not have a catastrophic failure, the screw-on filter in the pan has a plastic screw-on plug. The plastic plug many many times works itself free. When it does the filter drops to the bottom of the pan or the filter leaks due to any backing off.

This causes line pressure to drop, which causes the burning of clutches and the destruction of your transmission. This is a simple fix and a MUST HAVE solution to this very common problem 

WE HIGHLY RECOMMEND OUR STEEL PLUG! CLICK THIS LINK TO PURCHASE

Must be torqued down to proper specs and tightened properly. VERY LITTLE INVESTMENT FOR A POTENTIAL HAZARDOUS OUTCOME

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2 Responses

  1. I have a 2018 dodge Ram Laramie 2500 w/ 6.4 Hemi 6 speed automatic transmission and at almost 88,000 miles it wouldn’t shift out of 4 th gear and at starting at a traffic light , I took it to a dealership and they said it was the valve bodyneeds replacing ? So we did and it’s been working fine but I pull heavy loads, what else should I do to maintain my truck tranny

    1. Hi Jacob, Keep your fluid clean and cool. And stay away from huge power adders, then you should be fine. If you end up needing a new trans at some point in the future we recomend going with Randy’s Transmissions. They make the best 68RFE tranny’s out there

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