Artie Maupin is from Southeast Missouri and has an extreme passion for anything diesel. Our friends at Known to be the weak link in the new Dodge Ram trucks, the 68RFE transmission can actually be a superior product if you can correct the downfalls of its original design.

Tax excluded With very little power added, like custom tuning, you can experience a transmission failure due to burned up overdrive clutches. ALL RIGHTS RESERVED. The 68RFE transmission was introduced onto the market in 2007 and faithfully served the one and three quarter ton Ram's for the next five years ending its production in 2012. COVID-19 Update: We are able and ready to fulfill orders at full capacity. The 68RFE transmission was introduced onto the market in 2007 and faithfully served the one and three quarter ton Ram's for the next five years ending its production in 2012. “The code is triggered when the pressure switch in the solenoid pack detects pressure in the circuit when it shouldn’t,” said Harris.
“It is perhaps no surprise that the overdrive circuit is between the other two, so it’s the most susceptible to leaks.” The forewarning of increased line pressure is elevated cross leaks, so it is important for them to correct these leaks when making a performance transmission.The commonly observed P0871 Date Trouble Code (DTC) is generated because of leaks into the overdrive circuit but are still, in some measure, responsible for the burnt overdrive clutches BD see’s on a daily basis.

“ This was done to use two solenoids for one and it originated at a time when Chrysler transmissions only used 4 solenoids. BD's 68RFE is the industry leading transmission.
While working great, BD tests the 68RFE valve bodies on their custom tester equipped with a digital overdrive circuit pressure readout. By modifying a late model Cummins and driving it with a factory transmission, it’s nearly a guarantee that it will fail. The SSV is an assembly of valves that direct the output of the LR/TCC solenoid to the torque converter clutch and direct fluid flow to the low/reverse clutch,” said Harris.



The later models ranging from 2010 and later, came outfitted with a hard anodized coating on them.

“Knowing now that the coating has made all of the difference, all of the BD 68RFE transmissions now come equipped with the hard anodized valve bodies,” said Harris. “We, like most others, increase line pressure in our transmissions to increase clutch holding capability. Every BD 68RFE is also build to withstand 250psi of line pressure for unrivaled torque holding capacity. The 68RFE, a six-speed automatic transmission, hasn’t started its journey of life as a dependable option. “After one to two years of heavy use, the leakage in a repaired valve bore was right back to where it was when we started which means this wasn’t a permanent fix.”The early models of the 68RFE had a normal cast aluminum valve bodies without any coating on them. Also, since the transmission solenoids are pulsed on, these valves can fluctuate rapidly during the clutch apply which will lead to increased wear. After years of repairs, one would think the design would’ve been replaced, but here we are in 2017, and parts are backward compatible with 1989 Caravans.”The issue with the SSV is the valves aren’t supported axially which causes uneven wear. BD Diesel's industry leading custom valve body separator plate gaskets allow for much higher line pressure in the 68RFE transmission.

Artie Maupin is from Southeast Missouri and has an extreme passion for anything diesel. Although it’s uncommon and they rarely see a failure from one, but you could observe a torque converter failure. Burnt overdrive clutches are a thing of the past, utilizing custom billet QT100 reaction plates, longer "Big Stack" spline OD shaft, and 16 frictional surfaces. The 68RFE, a six-speed automatic transmission, hasn’t started its journey of life as a dependable option. “After one to two years of heavy use, the leakage in a repaired valve bore was right back to where it was when we started which means this wasn’t a permanent fix.”The early models of the 68RFE had a normal cast aluminum valve bodies without any coating on them. You can see the difference in the coated and non-coated valve bodies.


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