68rfe hard downshift. This might just be normal and is no big deal.

Aug 18, 2020 · The Chrysler 68RFE was utilized in the ’07–’20 Dodge Ram 2500 and 3500 with the high-torque output 6. I had the truck in T/H mode and had the EB on full. 8. 7 Cummins puts down at low RPM. Jun 6, 2018 · Also forgot to mention the aggressive downshifting. The ctt 1. From 4th gear, it's 4-3-1. Jul 10, 2018 · The 68RFE has a known side-effect of failures starting with the valve body separator plate. crazy. 7 Ram with the 68RFE is slamming in the 5-4 downshift. Another common symptom of a problem with the downshift solenoid is a vehicle that experiences late downshifting. It seems to do it more when down shifting at slower speeds, at not so much at higher speeds. These downshifts occurred while decelerating with the EB. 7 with EGR & cooler delete, DPF went missing, Dave Matthews trans tuning, EFI by Ryan, Airaid cold air intake, Revmax 550 Jan 7, 2016 · A bad or failing solenoid may cause the vehicle to experience hard shifting when slowing down or coming to a stop. The downshift was pretty firm but the feeling of not being able to stop without really standing on the brakes was weird, I'm sure the 3. Feb 20, 2021 · I am not hard on the truck and changed the fluid and filters at 100k. You have replaced the valve body and double-checked clearances with no As 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. So it likes to upshift quickly. Gonna call Dec 1, 2014 · 07 6. at only 50-60% throttle and boy does it pull and that's without a down shift. They should have stopped using the 68RFE years ago on the Cummins. And I was told it might be a computer issue with turbo exhaust brake on the vanes need recalibrate is this true The truck is a 2017 ram 2500 with 6. Jun 15, 2017 · A while back I watched a 68RFE being broken down to be rebuilt on YouTube. It also no longer refuses to downshift unless I really put my foot into it. It seems to happen with each downshift. Hearing the box ‘clunk’ very loudly. 7, 68RFE, 4wd. Feb 22, 2015 · Yessir, for a 2007-2009 truck with 68RFE trans, >90,000 miles, and a P0871 fault, likely problem is the worn SSV bore in the main valve body. The 66RFE transmission is a hybrid of two other transmissions, the 68RFE and 545FE. That shop used suncoast transmission parts and a billet converter (Spoke with them on the phone when the transmission locked up). Apr 9, 2018 · Hi guys, I'm new to the Forum. Jan 27, 2023 · 68RFE Still having hard downshift from 5-4 Downshifts hard 5-4. About 2-3k miles ago it would downshift violently from 5th to 4th during gradual/easy deceleration due to coasting or gentle braking all the time (to the point it was predictable). May 21, 2017 · FWIW My 07 (bought new in 07) with the 68RFE now has 136K on it. Hooked up a trailer and the first downshift from 2nd to 1st (about 1 block from my house) it hit neutral again. Has anybody experienced rough downshifts at 30-20mph while coasting to a stop? Like a sudden deceleration/rough shift shock, rpms rise and it doesn't have a smooth downshift? Found similar symptoms from a Honda forum and the solution was a variable cylinder management (VCM) muzzler. Features include: • Real Time adaptive closed-loop shift and pressure control • Electronic shift and torque converter clutch controls (By altering the shift schedule, line pressure, and converter clutch control, this helps to reduce heat Mar 14, 2017 · If I have very light throttle truck will not shift well. 1100 rpms at 55mph. Or going slow up tight canyon grade; once I slow down to like 10mph in this tight stuff, truck will downshift to 1st and I am back to the 1st and 4th gear only thing unless i turn the truck off. I live in southern Florida whereas we all know it's hot. Feb 28, 2021 · 2020 68RFE Shifting Hard - 5th Gen RAM IGOTACUMMINS is an I. Joined May 23, 2022 · 18 Posts Feb 22, 2023 · It would be hard to put a stock 68RFE back into a truck, knowing the problems it carries and that it is all luck of the draw on how long it will last before giving you more problems. The most resent was a chattery-brief howl doing a downshift from 5th or 4th. “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. 73-sold:| Save Share. Dec 4, 2020 · Some of the key features that this new 68RFE Guardian line of heavy duty transmissions will feature are our billet Pro-Loc Ducenti valve body, upgraded zero-cavitation filter kit, increased clutch count for overdrive, and upgraded billet multi-disc Guardian torque converter. From 5th or 6th gear, you get 5-3-1 (or 6-5-3-1). If so, what’s the solution or what should I check? Feb 10, 2019 · '96 2500 5. Like hard enough that I cringe and hope nothing Dec 20, 2021 · At first I thought you had the HO/AISIN, but I see that you have the 2500. It jerks the truck real hard. This six-speed automatic transmission was developed primarily for heavy-duty Dodge and Ram trucks to balance power, efficiency, and durability. Aug 16, 2021 · Hello I just bought the 2016 thats in my Signature. Last year this time, it was shuddering on highway speeds, took it into a trani shop. I am going through the exact same issue now on my 2018 3500 with the 68RFE except i think it is from 3rd to 2nd, right at 20mph. This might just be normal and is no big deal. Applications that have this issue also often will have downshift sensitivity. I don't switch between HP levels often. These seem to happen when engine RPM is low, so low line pressure? Notes about the truck: Transmission warmed up after quite a few miles. Everything is good, until I hit an upgrade and the transition shifts from 6 to 5 and 5 Yesterday, while riding in 2nd gear, I tried to downshift because I had to slow down. Dec 1, 2014 · 07. I just traded my G56 equipped CTD for a 2017 Laramie Dually CTD 4. It’s perhaps the fastest growing market today for transmission builders, in part due to an increase in popularity from truck enthusiasts — who are modifying them to never- before-seen power and torque levels — plus the sheer number of these units on the road. I have the 225 tune recommended for it. If your truck has this transmission, pay attention. Then once I got on the road and got through the gears fifth to sixth did the same thing. It is the same in tow/haul or normal. I think maybe I overreacted on the "hard" downshifts into 4th while unloaded. Example: Approx 1,000lb in bed going up a fairly steep hill 25mph in 5th gear, Normal driving wont drop out of 6th until 20~25mph and will stay in 4th or 5th until 5~10mph, Manual downshift works sporadically and when it does it often takes 5 seconds or more. Den52. ® online community for all Cummins Turbo Diesel enthusiasts. I would be slowly coming to a red light, it would downshift hard, then the light would turn green before I got to the light so I would step on the gas and the truck would slam back into forward. " What's Inside the 68RFE The 68RFE transmission is an intricate component of your vehicle that contains a variety of components designed to work together to provide smooth and reliable power delivery. The primary problem that I am facing is an intermittent hard downshift from 4th to 3rd gear once I take my foot off the skinny pedal. Subject: Shudder, 2-3 Upshift or 3-2 Downshift Concern Brand: Model: Model Year: VIN: Engine: Transmission: (6T70, 6T75 or 6T80 Automatic) from to from to Buick Enclave 2014 2017 — — — M7V, M7X LaCrosse 2016 M7U, M7W Regal 2017 M7U, M7W Cadillac SRX 2014 2016 M7U, M7W XTS 2019 M7U, M7W, M7V, MHM Chevrolet Equinox 2014 2017 M7U, M7W Impala When shifting into neutral the light will flicker on, then turn off and stay off while in neutral. 7 with 68rfe, 582k miles. Sometimes it goes into 6th and sometimes it takes it twice to actually make the shift. Don't wait for the trans to downshift, anticipate it and manually downshift early to keep the revs up. 7l with the 68rfe built in house by goerend. Oct 18, 2021 · It starts with weird hard shifts, odd upshifts or hard down shifts. Manual downshifts just fine but slow to react. After about the 1st year of ownership about 42k miles the truck started to have hard downshift issues from 3 to 2 & 2 to 1. RevMax built 68RFE "550" transmission w/ billet flexplate/low stall triple disc TC/direct oiling billet input shaft. 68RFE production started in 2007 as the transmission for 2500 and 3500 pickup trucks. Jan 30, 2016 · after driving it for awhile and playing around with the line pressure (170-250psi) on the tuner it seems to downshift really hard from 4th into 3rd. 6th gear is always locked out when towing heavy and I will shift down to 4th before starting up a long grade. Sep 11, 2016 · Now, it's 2 months later and now it will not stay in 5th or 6th. 2009 Ram 3500 Megacab 6. What Is A 66RFE Transmission? A 66RFE transmission is a six-speed automatic transmission. The transmission would not not unlock the converter and the shift was brutal. It was the first modification I did. 7/68RFE setups are more tuned for efficiency and downshift sooner. Transmission has 15,000 miles on it and has trouble downshifting and going into overdrive. Feb 1, 2014 · Yes the OD pressure is set to stock. 38 mph every time. Eventually I find it. ATS 68RFE Performance Transmission UpgradeFitment: 2007½-current Dodge Ram 6. " The explanation about the torque convertor makes sense. Oct 19, 2016 · His explanation doesn't give me any sense of security with the strength of the 68rfe, since Chrysler needs to have two sets of clutches (in the convertor and the planetary clutch pack) to keep it from breaking "hard parts. I had the harsh down shift as soon as the bd kit was installed. I drive through gears 1-3, and then half way through gear 3 I feel the hard shift. 7,4x4, Fully Deleted, BD Air Horn, EFI Live w/ Trans Tune, AFE DFS780 Lift Pump, Injen Evo CAI, Riding on 37x12. Started at ~35k miles. What makes up the 68RFE? The 68RFE offers full electronic control of all automatic up and downshifts. The downshift from 5-4 is really hard. On the highway its the same scenario. 68RFE Transmissions Performance builds for 2007. Going into second or 3d from a stop, seems more noticeable than higher gears, 5th or 6th. 7L CumminsThere are many things that need to be understood about the RAM 68-RFE transmission. 5 and 2018. I even have the shift chrip/squawk when over 45% throttle. And no codes. Feb 13, 2022 · Does it every stop unless I downshift manually with the ERS and then it shifts into first no issue everytime. Aug 25, 2019 · Not sure. The 2014 truck smoothed out after about 10K miles, about 2K of that towing a 10000 # (GVWR) 5'vr. A little more playing with it tells me that if I get into the throttle, it'll downshift. Online, found an article that says the 66RFE is a hybrid of 68RFE internals (including the gearset) packaged in a 545RFE case. Same P0731 code. Ever hear of such a thing? Could this be the solenoid switches in the transmission? The truck is a 2009. 91 3rd gen mani & inline EB, Arp 425s, Fass Titanium 95. Like. Had a slight slide in the camper and trailer on the trip. Mar 15, 2023 · The most common symptoms of a bad or failing shift solenoid include hard shifting, stuck in gear, rough shifting, or other shifting issues with your automatic transmission. Nov 24, 2014 · 68RFE 4" TBE with flow through muffler XRT PRO - same results any settings I tow 34' toy hauler 5th wheel - same results on or off 1700 rpm / 65 mph (my preferred towing speed) a 6 to 5 downshift under load, the rpm's jump up to about 2600 then slowly (4 to 5 seconds) drop down until 5th locks in at 2000 rpm's. Driving around normally, I have no problems. However, when I tried to push the clutch lever down, it accidentally shifted to neutral, and then when I tried to, I couldn't change to first gear, despite trying to downshift multiple times by pushing the lever. Nov 10, 2013 · If it makes anyone feel better, the 2011 f250 I'm trading in on my new Ram 68rfe this weekend has lots of the same issues. The 68rfe transmission is commonly found in Dodge and RAM trucks equipped with the 6. From day one it's had shifting issues, mainly down shifting - both accelerating and decelerating. The only fix is either a bd protectoplate or a new valvebody. Jun 24, 2021 · I recently had a stage 2 68RFE transmission from Randy’s in Utah installed in my truck by a shop. Jan 1, 2019 · Very hard, loud downshift, from 3rd gear. T. It'll also downshift if I release and re-throttle (like you'd do with a two-speed rear-end or a split-shift in a RoadRanger). No clunks or any issue with other shifts but it seems to rev maybe 200RPM's just before it shifts. Feb 19, 2024 · Introduction The 68RFE transmission, a sophisticated piece of automotive engineering, has been a subject of much discussion and analysis within the automotive community. I think the newer 6. May 16, 2019 · I've got a 2014 2500 with the 68RFE. Aug 6, 2022 · 2015 Ram 2500, 124k miles, 68RFE Trans. May 16, 2010 · PROCEDURE TO LEARN A SMOOTH 1st NEUTRAL TO DRIVE SHIFT: Perform this procedure only if the complaint is for a delayed or harsh shift the first time the transmission is put into gear after the vehicle is allowed to set with the engine not running for at least 10 minutes . I like the kit I just want to get rid of the harsh downshift if possible. Sep 1, 2016 · And only really occasionally it would down shift really hard. Oct 24, 2019 · I have babied my truck. 26 (tow, no att, timing #3). This all started from one day to the next. Feb 28, 2023 · Often the transmission does not accelerate, or they feel a downshift when it does. The 66RFE resembles the 545RFE from the outside, but shares its extension housing and output shaft with the 68RFE. h&s egr/cooler delete. The temps were in the 183-185 mark when in 6th luged down at like 60mph (at the tuned shift point) for a peroid of time. Feels like I am hitting a speed bump at about 70 mph. Jan 30, 2019 · If you keep it stock, the 68RFE will last you a long time. Mar 28, 2020 · 17 3500 Laramie CC DRW 68RFE 4. Sometimes it's just slightly a hard downshift and other times I can hear a "clunk". After tuning the truck, I did Mar 28, 2020 · I think the only re-learn the 68 needs is some normal driving without a trailer hitched onto it for 40-50 miles. Turn the truck off and go into a store for 10-15 minutes and come back out and the truck shifts as smooth as a babies rear end. Has anybody else had this problem Feb 10, 2017 · The truck ignores my "order" to downshift from 5th at apx. only that gear May 6, 2021 · Re: 68RFE Trans 5-4 Hard Downshift Originally Posted by MC250r719 I put a valve body on my truck at 99k miles for preventative measures while replacing the trans filters and fluid to make the 68RFE last a little longer tranny didn't like the added pressure and slipped in 6th after the valve body install. foste Jul 21, 2009 May 23, 2018 · Quick question for anyone that knows, I just got the EGR-Less MM3 from Double R Diesel along with the Revmax valve body, Goerend 15ss TC, and billet flex plate. All shifts are smooth when easy going but when I get on it, the 3-4 shift gets a bit harsh. It will jerk the truck pretty good. right when it goes down from 40 close to 30mph. Although the 68RFE does have its limitations and shortcomings, it’s nice to know that you do have options when you want to build a better transmission that will Sep 4, 2020 · I thought maybe it was just the 5-3 downshift that was giving you the bang, but apparently it's the 5-3 and SOME of the 4-3 downshifts. Fuel mileage was down significantly on all tunes from them and the 5-4 downshift when coasting up a hill banged into gear so hard I thought the trans was on the road. It shakes the truck. So I bought a MM3 with transmission tuning for my 2016 and the 2016 shifts like crap compared to my 2010 By that I mean I am getting shift flare from 3RD gear and up. I was having the hard downshifts from 5-4 mainly. On my way home from the dealership it went into driving only in 4th gear, I got it home and put a new tuner on it, a Bully Dog GT, and it worked fine for a day. 7 with The 68RFE. Now this RAM was more like a “bump” down from 2-1, not harsh but noticeable (because the rest of the truck is so durn quiet). The 66RFE has its torque converter recessed inside the case, while it sticks out of the 68RFE. Jun 21, 2020 · My performance tunes with CTT ran like my tow tune with HPP. Now after all that, it could be your trans tune. I had read of harsh downshifts here on the forum so in I went. Also, putting the transmission in a particular gear using the selection doesnt make a difference. Nov 7, 2019 · I have a 2012 f250 4wd. Jul 19, 2009 · 68RFE: Slow or delayed downshifts Jump to Latest 3K views 5 replies 3 participants last post by ant. While in sixth I can spool and hold 45+ psi. At mid to hard trhrottle it will get better but sometimes I feel it's slipping or converter doesn't unlock. 5 2500 6. Only really seems to be "intense" after truck is at warm running temp. Jul 13, 2023 · Fighting Overdrive failure in Chrysler RFE transmissions can be a frustrating task. Makes me cringe when it happens. Jan 4, 2019 · Alright, I've searched this forum and some other forums which shall not be named Hoping to hear your experiences/advice with tuned 68RFE shift patterns. Doesn't seem as bad when coasting to a stop but if brakes are applied with these two features engaged the truck starts downshifting like crazy. It will go from 1100-1200 rpm to 2200 then back to 1200 and it will continue to do this until you take your foot off of it. 7 cummins 68rfe transmission. Jan 24, 2020 · Mine has a rough down-shift also. This robust transmission has proven to be a popular choice among truck enthusiasts due to its durability and towing capabilities. All other downshifts as well as upshifts are good. Jump to Latest 21 - 22 of 22 Posts. When you coast down to a stop from 6th gear (in Drive or "6", which should be identical), the downshift sequence is 6-4-3-1. So it only happens when the engine is under load and needs to downshift. 7L 68RFE LIMITED. 9 tune makes awesome power but has a hard/weird lockup and shift from 3-4. Aug 9, 2011 · After some in town driving or light towing or even heavy towing and the need arises to shift out of (D), say maybe to back up, When I go back into drive it engages really really hard. I stumbled across a post that someone mentioned he/she were driving in tow/haul mode for a while, then going back to normal and it seemed to smooth the trans out. Aug 29, 2023 · I have owned the truck for 2 years now. The 6th to 5th downshift when it does that is LOUD. Now it won’t always downshift when coming to a stop. If EB on its worse. I never really thought my past 68RFE Rams downshifted hard even with Tow/Haul mode and FULL EB. 0 Reservoir Shocks, HC Control Arms, Track Bar, King Steering Stabilizer and Torsion Sway Bar. Jan 2, 2018 · BD Diesel Performance and their 68RFE development program have found that hardly any of the core transmissions are sporting the anodized coatings. We’ll break down the most common 68RFE transmission problems, model years affected, and steps to get your vehicle fixed. Even when running around unloaded the trans will downshift HARD to 4th or 5th on occasion. They dropped the pan and flushed and did a shudder treatment. I plan to disconnect the bd pressure box and run the added pressure through the OD software when time allows me to. my truck only down-shifts roughly in certain situations. 7 auto has the HARSH 4-3 downshift w/tow haul on and EB engaged. xrt pro tv:6. You'll have to learn to ignore it. On a positive note, the Jul 31, 2016 · Example I roll through a stop sign in 1st gear going up grade, instead of shifting into 2nd/3rd, it just revs out 1st the finally jumps to 4th. From 3rd gear, it's 3-1. 92's amplified this. 7. 7L with a 68RFE. 7L Cummins diesel engine were the first to be equipped with this transmission. Truck will go through the gears firm but rolling from 50 on not full throttle but accelerating the rpms will hit 2000 then bounce back and fourth like it wont downshift or its sliping. Dec 6, 2019 · What I really wish I could do is get normal mode to downshift the same way tow/haul mode does. 9 with a #5 plate, 191's, 4" exhaust, BHAF (SOLD) '07. 5-2018 Dodge/RAM Cummins INDUSTRY-LEADING TECHNOLOGY IN EVERY BUILD! At Redline Transmissions, we thoroughly test our products to ensure only the highest quality for our customers. It has done this since I have owned it. Feb 12, 2012 · 2010 2500 trx4 crew cab swb 68rfe 4. Ford has had shift flare, hard downshift, hard up shift, and hesitation in many of their new super duties with the new 6 speed auto they've been using since 2011. I havent been having any problems with it until the other day when the truck shifts into 6th gear it jerks really hard. Anyone every experienced this or have any ideas on why this is happening? Nov 13, 2023 · The 68RFE is a 6-speed automatic transmission found in some Dodge Ram 2500 and 3500 trucks. Once you learn the do’s and don’ts for a particular unit, it is as easy as walking in the park on a Sunday afternoon! That is how most of us are with the 6T70 […] Aug 17, 2023 · In this article, we'll delve into the world of towing and hauling with the 68RFE transmission, providing you with valuable tips to ensure optimal performance and longevity. Transmission many times seems to hunt for gears. The valve body separator plate is a simple stamped or laser cut sheet of steel that is sandwiched between the two halves of the valve body. 10 lsd. Leo Rusev Discussion starter 4 posts May 31, 2022 · 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. flopro dpf pipe. Recently been having very hard and what sounds like slop on the downshift (automatic). 10's with 68RFE. 35"x12. But add so much as a cold air intake, and the 68RFE days are numbered. They made it slightly better at the end but no where near acceptable/liveable. I think most of us are programed to throw a vehicle lever around and not feel a clunk, as most vehicles are not 8,000 pound HDs in previous history. It's similar to parking a truck on an incline and then shifting it from P to D or Rev. Trans was serviced about 15k miles ago. If I'm towing, the 3-4 shift gets down right hard when above 45-50% throttle. Jun 3, 2023 · My 2012 3500 with 68rfe does the same thing - and also when putting into reverse once it does it. It seems the quicker I slow down, the rougher it seems to down-shift at times. Any ideas? Jun 10, 2022 · The trip had some pretty good hills, both up and down. Regular downshift during rapid deceleration due to hard braking and it shifted fine. 7 and the 68rfe transmission and its deleted just the basic. MM3 and tunes courtesy of Ray at DRD. Also, the trans temp got up to 180 F when this happened and it was about 0 degrees C outside. Jul 17, 2017 · My 2011 6. nick00less. This approach forced the original designers to cut corners in size and quality of materials that could be used. I noted pretty sharp downshifts on both of my 2500's with the 68RFE. Nov 6, 2012 · A dealer fixed the problem for me, but I believe I am still having problems with my 68RFE. A slight increase in throttle and it downshifts nice and firm:thumbsup:. Thanks a lot!!! So moving up and down gears operates normally but more recently (2 weeks or so) I’ve been noticing a “clunk” sound when the dsg downshifts from 3rd to 2nd and rarely 1st gear. ****more thought on this. You may also notice a transmission warning light or other warning lights on your dashboard. A "touchy" Tow/Haul switch will not cause a P0871 fault. Watch the etg's and downshift if high. I suspect that as the trans warms up (and fluid gets thinner) your leak at the SSV gets worse and worse until finally it gets bad enough to trip Mar 7, 2011 · I found that when towing my 13000lb 5th wheel that if I dont hit the brakes when getting off the highway with T/H on it doesnt down shift as much as when im on the brake pedal, Almost like the computer sees a brake signal and then starts down shifting quickly to slow the truck down faster. Ford used the 68RFE in its Super Duty and Super Truck lines from 2005 to 2017. Driving home from work today transmission started slamming from first to second in town to an uncomfortable level. You'll find an informative tech area, a place for Member’s Journals, Vendors with Special Members Pricing, Plus More! Arranged in order of production, the 68RFE was released as an upgrade to the 45RFE/545RFE. mag hytec rear cover. May 3, 2024 · If the Line Pressure Duty Cycle % is tending toward or remaining at 5%, the unit is working too hard to keep up with the pressure required to keep this unit from slipping. Apr 5, 2022 · Building late model transmissions seems to be easier than building some of the earlier model 4 speed units, at least mechanically. Mar 25, 2020 · 2012 Ram 2500 Laramie 4x4 Crew Cab 6. D. The majority of the shifts have smoothed out and the truck definitely likes heavier throttle. gdp pro wastegate. it drops gears pretty hard/sudden. May 23, 2022 · 68rfe p0868 code and HARD downshift into 4th. Feb 29, 2024 · I just changed the fluid and filter because I thought it would help with hard downshift but I still have the same problem. I can not use the cruise control on the interstate. These trucks having the 6. They didn't find any shavings, fluid was clean. My issue is similar however my clunk/thump is occurring while slowing down to a stop and seemingly when the trans downshifts into 1st around 10-15 mph. I just bought a 2008 Ram 2500 with 180k last week. If you need a built 68RFE transmission for towing heavy, contact Tier One or call 602-399-5484! Understanding the 68RFE Transmission A Brief Overview Jun 10, 2018 · I noticed the other day when casually slowing down for a stop sign or when putting the truck in park there seems to be a buzzing noise. Mar 29, 2022 · I know that one of the things I liked about my old 2004. It doesnt make any attempt to move in drive, but also doesnt make any noises. They said they did a relearn on it. Mar 5, 2022 · I just had this same issue fixed. Previous experience is with a 2014 3500 HO dually with Aisin. mine does it all. Upshifting is good. Cummins719 · Registered. As 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. I have the 6. Last summer we ran across the scales at 23,200. Only happens once get up past 3rd or running aprox 45mph and above. Lasted ~6-months until warranty expired and then happened again. Oct 18, 2023 · You’re not alone. Mar 28, 2019 · My trans shifts great but my 3-4 upshift if pretty harsh sometimes. 7 Cummins. Nov 16, 2020 · Service notes: 66RFE and 68RFE automatic transmissions The 66 and 68 have one set of splines on the overdrive shaft; the 545/65 has two. I don't have any codes, trans relearn didn't make any changes, and I have slow drive engagement from park to drive and reverse to drive for about 2 to 3 seconds. I pull a 14K lb 5er with the 68rfe and 3. Mar 3, 2008 · My '07 6. The truck is a 2008 6. I've noticed while in "tow/haul mode bobtail or towing while on secondary road coasting down hills at 45mph or so, the tranny want to downshift which becomes an issue when I'm just cruising along and not coming to a stop. Nov 20, 2010 · Not sure what throttle was but definitely wasn't open throttle and I'm guessing around 60-70%. Any advise. 6. May 3, 2024 · Behind most diesel engines in pickup trucks is an automatic transmission that will likely give up the ghost long before the engine shows signs of wear. If you actually have a Dec 2, 2018 · The whole new transmission was installed and it never shifted properly. The tech said the 68RFE is a good tranny, just don't get it wet inside as the water causes delamination of the disks. The 545RFE and the 68RFE are being pushed beyond what they wore originally designed for. This week was the first time putting the truck to work towing a 16,000lb fifth wheel. ” Subscribe Our Weekly Newsletter As decades went by and power levels increased, the transmissions in Dodge trucks became the weak link in the platform, especially if the diesel had been modified. Been serviced to the letter since new. Anyways last week I took a road trip up to Idaho pulling a 5000 pound trailer. . 2. Jan 2, 2019 · Another member recently started a thread where he is experiencing some issues with his trans in 1st gear and it sparked me to start this thread and hopefully get some help. Paired with the 6. The 68RFE falls squarely into this category. Only work done on the 68RFE - Changed filters and fluids at 60k, added a deep pan and auxiliary cooler within the first year or two. Feb 28, 2011 · The customer may experience a harsh downshift from the transmission when coming to a stop. Its significance lies in its technical specifications and how it represents a Apr 7, 2017 · 2012 Ram 2500 Laramie CCLB 6. The TC locks and unlocks normal. When I go to put my foot in the pedal the trans acts like it can't decide what to do. Jan 9, 2011 · Advanced Search Cancel Create thread New Forums More Login / Join Nov 27, 2020 · New 2020 3500 dually with SO Cummins and 68RFE transmission. I changed the fluid/filters a while back and since been driving in manual and not Feb 6, 2013 · Once i run my truck for a while, towing or not towing, the trans temp is around 168-170 *F, the shifts from P to D or Rev are very hard. 4/68RFE was the ability to stab it on a grade and have it just move out without downshifting, brute-powering up the grade. VOLVO-V70 January 1, 2019, 7:47pm 2. No hard braking or driving, change fluids on time, use only OEM parts, wash every weekend etc. It feels as if the truck is in neutral. First off, I've got a 2018. Transmission was rebuilt about 7 years ago by previous owner. Save Share. 2015 Ram 2500, 6. To the point the tires chirp sometimes. Each Stage of 68RFE Build is engineered through extensive real-world testing and development. Jul 22, 2013 · I have a 2008 2500 with a 68rfe in it. Feb 6, 2023 · So the 2020 68RFE downshifts hard into 4 while cruising at low speed; depending on how hard you are on the throttle depends on how hard it slams into 4th from 5th only. A. I had an F150 with a hard 3-2 that the forums referenced back in 2016. The 4-3 downshift at times feels like it would throw you into the dash if you weren't wearing a seatbelt. It will throw the incorrect gear ratio code and only way I can get the truck to move forward after throwing code is to put it in reverse and then drive in reverse for 50ft or so. That was just a nuisance, and the first real issue was inconsistent trouble getting into 2nd gear, which I initially chalked up to the bike wanting to shift a little later than my 2014 iron. 50" Toyo Open Country AT2 tires on OEM 20" wheels, Thuren soft ride front springs, Thuren track bar, Thuren upper and lower control arms, Hellbent steering box brace, King 2. Veyr hard to reproduce, but when going uphill at 50mph, before the transmission downshifts, getting a rattle. Im having a local shop tear it down at this point. 7L Cummins engine, produced between 2007. Feb 3, 2024 · Vehicles that Use the 68rfe Transmission. I was seeing temps between 176-185 (stock was 165-175). 808 posts hard down shift Apr 3, 2018 · You don't say how heavy your camper is so it's hard to give specific advice on towing but in general; Wait for the engine to warm up before towing (using a lot of power). Does it need to do the relearned even if I'm not replacing any of the clutches? Would going to the triple disc TC require a relearn? Just curious since I know Ray's tunes reset and May 31, 2017 · I would echo BossHogg's comments. I bought mine with 130,000 and now it has 230,000. Most of time, it returns smooth down-shifts. Back to the shop and they installed another new Jun 13, 2014 · On my 68rfe it downshifts hard into 3rd gear when I slow down. 50 Ridge Grapplers on Black Rhino 20"Sierra's, Thuren 3" Coils, Rear Shackles, Fox 2. Feb 19, 2010 · The whole new transmission was installed and it never shifted properly. The problem is common with cross leakage from the valvebody or solenoid pack. 68RFE - Hard Downshift (FIX) Hey folks, a couple of weeks ago my 2018 Cummins with 48,000 miles suddenly starting shifting very hard from 5 to 4. It was a harsh slam with auto exhaust brake on, and without exhaust brake you could still feel the truck lurch and hear a bang from the transmission. I was curious about the relearning of the 68RFE. My 2017 has just over 6K miles on it with about 500 miles of that used to tow the same trailer. Had trans Aug 5, 2022 · Do all 68RFE trucks delay shifting down from 4 to 3 using the tap shifter? If selecting 2nd or blipping the throttle, it will shift. Just kind of a little flare of RPM's then a smooth shift. I've noticed a few clunk/hard shift out of P/R/N/D posts on different outlets and thought I would share my experience. This transmission was originally designed to be very inexpensive to manufacture. The "RFE" line of chrysler transmissions are flawed. When I put it in tow/haul mode, it holds 3rd gear for what feels too long, and the slams into 4th really hard. I have tuned and re-tuned my truck and never worried about the trans re-learn, but like I stated, I didn't immediately start pulling my camper. The transmission seemed to shift fine, the downshifts into 4th gear were sometimes hardly noticeable. It was from a tow truck that had submerged the tranny. 10-RIP:crying: 06 2500 QC 48RE 3. or Rev. it's as if the clutch is pushed in and you jump off it really quick. 5 RAM Cummins 6. Repair lasted about 2-months and repaired again under warranty. Almost like it slams into Dr. So, its not just a 68rfe thing May 4, 2013 · The trans definitely feels like its in the gear its supposed to be in town. Sent from my iPhone using Tapatalk Feb 4, 2016 · Not a big thing but I have noticed the 3-4 shift on my 68rfe a little odd. 0 Aug 1, 2020 · Over the next week it progressively got worse like someone was hitting me at 20 miles an hour and then started to upshift really hard. Flashed the computer, now downshifts like butter. I just installed a remanufactured sonnnax valvebody with solenoid pack. Back to the shop and they installed another new Nov 16, 2023 · “It’s hard to tell exactly hen the 68RFE might fail, but somewhere between 50,000 and 150,000 miles is the norm. Jan 31, 2022 · I've noticed a few clunk/hard shift out of P/R/N/D posts on different outlets and thought I would share my experience. May 22, 2019 · 2011,4wd LB/CC 2500 H&S Mini MCC by Tomeygun, BD protect 68rfe VB seperator plate enhanced stall triple disk TC, Super B 64. HARD up and down shifts and after 200 miles it started banging again on the 2-1 downshift. Jan 31, 2022 · This is going to sound like a silly post to most, but it might help someone. Jan 30, 2018 · 2012 Ram 2500 Laramie CCLB 6. bd steering box stabilizer. As a result, it became evident that this popular and often problematic transmission needed it’s own installment in our educational Drivetrain 101 section. When a vehicle stop is initiated from 4th gear (around 40 Km/h or 25 MPH), the harsh downshift condition will usually occur as the vehicle decelerates to a speed of about 16 Km/h (10 MPH) . One quick down shift to 5th or a speed up to 75mph to higher Rpms brought it back to around 177ish. As a result, we crafted this installment in our popular Drivetrain 101 series! Sep 22, 2018 · I know its a big truck, and its not made to shift like a Caddy, but does your 68RFE shift hard? Mine seems to shift pretty firm in lower gears. Late Shifting. Clunks were so hard I'd check in the mirror to see if the rear fell onto the road. Dec 7, 2015 · 2010 2500/4*4/AFE Stg2 intake/leveled/Fully deleted/ 4" diamond eye turbo back/ EFI live tune/trans tune Jan 10, 2020 · 2018 RAM 2500 Big Horn 68rfe Never Stock. I have a mini max and exhaust on the truck. Should i get better clutch packs? Billet input shaft worth it? Or billet flexplate? Or i guess any mods for that matter? Feb 17, 2022 · 09 2wd quad cab short bed 2500, 6. A lot of the stress on the transmission comes from the sheer amount of torque the 6. Automatic transmission. 9647 posts Feb 21, 2023 · However, it's important to note that the 68RFE is primarily associated with the Dodge Ram brand and is often referred to as the "Ram transmission. It happens with every one of them: from the 45RFE, 545RFE and 65RFE to the 66RFE and 68RFE. Getting a strange rattling noise -- 2007 F 150. It is a known problem for the RFE trans. Feb 14, 2022 · About 10k into the new tranny I suddenly started getting really HARD clunks on downshift with the pedal down. If the downshift solenoid fails or has an issue, the vehicle may experience late shifting when Oct 13, 2019 · I routinely downshift manually. May 29, 2012 · The sounds of a 68RFE slipping? My 68RFE has started making some new sounds in the last month. 2012 3500 6. May 29, 2018 · No towing, only hauling some firewood occasionally. Either way, the old vb has to come out and be replaced. You will see downshifts in the 2800 RPM range which is normal. Feb 28, 2017 · Would that have caused hard downshifts when slowing down to a complete stop? Last downshift and you could feel it kinda bang into gear. It could be the engine, but I doubt it. Is it time for a complete transmission? If I give it anymore than 40% throttle, it unlocks, and tries to lock back up. But I’ve been experiencing hard downshifts, mainly from the 3rd-1st gear downshift; when coming to a stop, it feels like it is slamming into first, and the truck will lurch forward like the brakes aren’t Jul 26, 2016 · There's a strong argument that the 68rfe does not even like stock power, especially if worked hard while towing. Feb 20, 2014 · Can you confirm whether it's the 4-3 downshift that you are feeling? The only time you get a 4-3 downshift is when you slow down from 4th gear (it downshifts 4-3-1 as you come to a stop). May 6, 2019 · 66RFE Hard Downshift issues. I’ve located the parameter to increase line pressure during downshifts when throttle is at 0% and the exhaust brake is on. Mine wasn't as much of a hard downshift but it was very "pushy" when slowing to a stop through 2nd and 1st. 7L Cummins Diesel engine. You ca feel the downshifts for sure - turn the Tow/Haul off and you will notice a difference in the down shifts. It's fully deleted (EGR, DPF, SCR, and throttle valve). 7, 68RFE EFI Live Mar 19, 2018 · My truck has 16k miles on it and it has mostly disappeared. Oct 18, 2019 · I've got 2,500 miles on this truck. So have all my other RAM trucks. Just my limited experience. I replaced the valve body with a revmax unit, and the truck has a tuner on it, which includes transmission tunes. The payload was just south of 3200lbs, and the trailer was about the same. Every tune they gave me did that. I traded my 2010 2500 6. baffle mia. I am on vacation towing our 5er and I am experiencing extremely hard downshifts when braking lightly in Tow haul mode and Exhaust brake off. Found out there was a tsb out for trans and had it reflashed last week with no improvement. In addition to the Fords and GMs, the 68RFE was also used in Ram trucks for several years. Jul 28, 2019 · I use the manual shift button from stopped position to select my maximum gear, then the actual gear it's in is on the left side of the maximum gear. I tookm it in and same thing, TSB reflash took care of it. I thought this was related to the H&S programmer, but eliminated that possibility with help from H&S. The 68RFE is plagued with problems like harsh shifting, slippage, and premature failure. it sends a jolt through the whole truck back to front. This is without t/h and EB on. Also from 5th to 6th seems it shifts back for a second into 4th then into 6th (that's what it seem to me). 7L Cummins Turbo Diesel engine from 2007 1/2 and up applications, it has remained fundamentally the same for most […] Apr 14, 2022 · Well this is new. I am looking to see if anyone else notices the above behavior. Before I found my truck not wanting to downshift sometimes when I felt it should. It has 172k miles on it. 1 2. I think it is just a "feature". New clutches and billet torque converter. Aug 11, 2015 · I have had issues with my 2011 68RFE for years with a very hard downshift under low throttle coasting downshifts from 6-5 and 5-4. I tow a 43' 5'er. ccv delete. From 5th gear it's 5-3-1. carli ss low mount. Only does it with the tow haul on since that appears to be the only time it actually downshifts from 5-4. You build the unit, and a week later, it’s back with the Overdrive clutches burned up again. 73 gears. So use the ERS buttons on the shift lever and do coastdowns from each gear (3rd, 4th, 5th, and 6th). 0 steering damper, Redhead steering box, Fox 2. If I put the exhaust brake on, I do not experience this. Apr 3, 2019 · Many Dodge and Ram owners have complained about the ZF 8 speed not being very gentle when coming to a stop and the 3-2 & 2-1 downshifts take place. 2022 Ram 2500 Cummins with 68rfe tranny and 6900 miles on it. G. I have mine setup to go up to 175psi after the downshift occurs, stock is 120psi I think it was. I run the 90hp tune as my daily driving tune. Pulled skidsteer, 11k excavator, dump trailer from 15-19 and pulls mower now daily. Nov 14, 2010 · I have done some hard acceleration with it turned up, but for the most part drive it pretty easy as the goal was to eliminate the DPF and EGR as well as increase fuel mileage. Over 50k has been towing a 5th wheel in the western states (long steep grades). Aug 9, 2017 · Good day to all. Dec 6, 2016 · I have the deep pan on this but noticed the temps run about 10F hotter. The 2010 had TCM tuning and even with 163,000 miles the transmission shifted great. 5 68rfe with a fresh rebuild. O. 4 with 66RFE. I generally only run 50+ hp over stock if daily driving, I always use the stock power setting when towing a trailer. It was first manufactured in 2012 for use on gas engine Ram 2500 and Ram 3500 trucks. Aug 11, 2014 · I have seen where other folks have stated their transmission slams into gear when downshifting on some other threads. Apr 8, 2023 · It just started to down shift fairly aggressive into 2nd. 5/80/. Common problems with the 68RFE include the following: Solenoid failures: The 68RFE is known for having solenoid failures that can cause harsh shifting, slipping, or no forward or reverse gears. fomldl hkibpkiev xeck krcgx zczlls klmmeeuc naqf ptppvy zujfnwq wetryw