Dodge ram torque converter lockup problems. Sometimes happens, sometimes dont.

Dodge ram torque converter lockup problems. 9 would lock up at 1900, and a 5.
Bought this truck about a year ago, but have only put about 1k on it because of the interior mods and body repair. Jan 30, 2018 · It's not the trans, it's how much torque that input shaft is seeing and how low the input shaft rpm is when it gets that hit. 01) 4. Now in town, it feels like a 727 3 forward gears, that's all when O/D Light is lit, and Overdrive is disabled. Repair wiring and connectors as necessary. May 27, 2015 · A p0740 is a torque converter lockup code, meaning something is wrong with the torque converter's lockup clutch. . Jul 11, 2016 · My '97 3500 RAM Diesel automatic (47RE I think) lock-up torque converter intermittently unlocks and locks. But the most common torque converter problems are listed below. Anyway, the transmission shifts just fine. When you cannot get your Sep 12, 2022 · Interference in the throttle position sensor circuits (APPS) on Dodge Cummins engines from 1994 to 2005 will create false voltage readings in the APPS circuit and cause the lock-up torque converter to rapidly cycle on and off as you drive. 7L with 91K/3588hrs, 4. about a year i had it in to the dealer in tucson for the same problem and there trans man installed a ground from the ecm to batt ground and it fixed the problem now its doing it again but worse. With the O/D OFF, I can drive thru town, and get to 3rd, then feel it Lock-Up around 40+ MPH. Jan 12, 2024 · 3. I have tried the voodoo fixes such as aluminum foil on the alternator wire, clean battery terminals, a new TPS, etc. I have the same problem when driving in the city as well. Long story short , I ordered rebuild from ShiftRite. I pulled the codes with a Snap-On modus scan tool. 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. " Sep 27, 2010 · The shudder you are getting is most likely in the converter. It has power, All the solenoids in the trans get power from the rely in the engine compartment, Pcm supplies a ground to apply the solenoid when it goes into lockup. shut the truck off, and started it back up. Jul 22, 2020 · It is probably not the transmission itself but rather the torque converter hooked up to it. ZF8HP70 torque converter. It seems to lockup after the 3rd gear change, but will then unlock before going to 4th. We tried shudderguard to no avail. Jun 22, 2021 · It WAS low on fluid. Just bought it and it has a manual torque converter lockup and I go to engage the torque converter in 3rd gear and it engages for about 10 secs and kicks off have no clue why it's doing this. Looks/feels to have a worked transmission. Dec 22, 2015 · I did do some looking and searching to see if my problem had been discussed. Some symptoms of torque converter problems have been outlined below. Sep 28, 2015 · Mopar1973Man's Dodge Cummins Articles - Torque Converter Lock/Unlock Issues:thumbsup: '01 2500 Sport 4x4 5spd w/Fastcoolers, Mag-Hytec, EZ, RV275's, 4" w/o muffler, South Bend, Steering brace, aFe, 2 lo kit, Isspro Boost, FP, and EGT on pillar, Westach Trans/Diff temp gauge in dash pod, Raptor 100 w/ 1/2" line, Pac Brake, Rancho 9000, 285's Feb 24, 2013 · That is because your trani has no problem. I am always getting the shift into OD, but not always Lock-Up. 00 diognostic fee, plus 1 hr labor at 99. I have taken it back to Garmon twice and to my local transmission shop many times with no improvement. However, there are some vehicles for which the code is more indicative of a mechanical problem with the transmission or torque converter. I wouldn't be without my Lockup switch especially towing. , my TC is shot); a sensor problem (speed sensor); or if it's just POS factory software that I can't fix. 25 . Oct 6, 2021 · I had two converters go bad . if you can keep getting warranty work, do it. The tv cable made things worse with different problems so readjusted that. Thanks. 00. Harsh TCC engagement and/or release. 56 R&P/DTT, Sonnax Line Booster, SRT-10 Pod w/Dynojet Wideband Commander, 2-speed manual transfer-case, Clifford Security System w/Auto Start/Auto Windows, RB1 CD/DVD/NAV Infinity Sound System w/30GB iPod, Offroad Package, 33" Bridgestone Dueler A/T, Mopar Rear Wheel Liners, K&N w/Airaid Apr 26, 2013 · Did these trucks come stock with a lock up torque converter or did they come both with and without lock up? 1987 Dodge Power Ram W100, 4X4, 5. The weird torque converter issue surfaced after I changed the thermostatic valve. Cummins Diesel Specific Topics Tranny Problems 47RH Tranny Problems 47RH. 320" CPP 63/68/12 turbo Goerend Transmission Torque Converter valve body flex plate billet input deep pan Edge CTS Insight Smarty S06 Spyntec free spin flex-a-lite electric fan Feb 22, 2024 · Torque Converter Lock-Up Test Kit: This tool is used to test the torque converter lock-up function. I ended up adding an ADDITIONAL seven quarts! I'm Surprised that I didn't kill this poor transmission. Jul 14, 2012 · 1999 dodge ram 2500 4x4 (Rev Maxx stage 4 low stall Torque converter Billet input Shaft Valve Body and other goodies) BD noise isolator, Raptor 150 all 1/2" lines , straight pipe, recon smoked cab lights, Edge juice with Attitude CTS Hot Unlock, ISSPRO fuel boost Pyro Gauges,CPP 7x. Torque Converter Problems. I drilled out the mounting holes and it came up to about . In many cases, the torque converter will not actually be the source of the problem (you might just have a fluid leak!). 10s or 4. Issue is with the torque-convertor lock-up. the torque converter locked up and unlocked repeatedly between speeds 30-50. If it responds immediately i. 56s for your front and rear gearing to help take the stress off Apr 3, 2010 · So I took it to the "stealership" and they said it needs an entire new torque converter (to the tune of $2500 to drop tranny, etc) They had no codes, etc. 12 injectors, New industrial injection vp44 arty018:,ARP head studs waiting to put in. e. 517 at idle, 3,7 at full trottle. 9 would lock the same converter up at 2400. Usually that indicates a failed torque converter or other internal hydraulic problem. or just building too much heat and destroying it. Jan 15, 2009 · The torque converter has a clutch of sorts inside that the computer can lock when it deems neccesary. If this problem stays neglected, then it may lead to the oil pump replacement. 10 Gears, Running on Factory Steelies. Tranny torque converter shudder eliminator in a 2oz bottle made by LubeGard. The torque converter is a sensitive piece of equipment that is full of automatic transmission fluid that creates the hydraulic pressure it needs to function properly. My truck ran fine shifted fine the only problem was when i stopped the truck felt like it the engine still wanted to go . works beautifully accept the transition from 2 gear to 3 gear, the rpm's do not drop down low enough. Possible Causes of Torque Converter Lockup Problems. com/2016/07/15/solv Jan 3, 2010 · If the truck had an OD problem then you probably have a bad throttle position sensor (TPS) which is a common failure. This subsequently means that the drive ratio becomes 1:1. The problems come in many sizes, shapes, and forms. Jan 2, 2012 · Just finished installing my Breakaway torque converter on my 2010 dodge ram 1500 4. In these transmissions, when the Nov 29, 2015 · I would guess the gears aren't low enough to bring torque back and the weight of the 37"s isn't letting the torque converter lock up. com Jun 12, 2012 · The TPS is what would have caused the tcc to not engage or can cause tcc lockup issues as this provides input into when the tcc lockup engages. wehen i took foot off the brake the truck would take off then return to idle. 9 gas, just bought the truck a few months ago , had to rebuild the top half of the engine , and when i bought it guy said he put a tranny in it and a rear end , drove the truck for about a month , with some slipping issues Apr 7, 2017 · My guess at this point would be a bad converter. It might even make it worse. I'm sure it has, but I could not find it. I was previously checking the fluid level inside the garage without good glasses. The codes come up as P1740 and P1757. Oct 20, 2010 · i just put my truck in the shop in the shop today for the torque converter. Says on the package "A concentrated friction modifier formulated specifically for instantly eliminating torque converter lock-up shudder". Disconnecting the battery will almost always cure the problem for a couple months. 3L 4X4(ESOF) CC LWB 4R100 4X4, WIX 46637 open element air filter, Wicked Wheel, walker BTM, 203* Tstat, IC tube foil removed, coolant filter, AIH removed, 08 aluminum finned rear end cover, DP tuner 80econ 140smoke high idle,Phantom gauges, ATS transmission,ATS deep trans pan, 5 star torque converter, V10 trans cooler, 4" MRBP SS downpipe, twin 4" stacks Feb 13, 2017 · The Banks Billet Torque Converter is tuned to provide a stall speed that is optimal for Banks Power systems. Does anyone out there know how to tell which one my van uses? Also, I went to pick and pull junkyard two days ago and found a 1990 b250 with a 46RH transmission. Sep 14, 2010 · 2000 Ram 2500 A/T with light mods, no tranny mods. It was installed today. Slipping. Note: Although code P0740 is a generic code specified by the Society of Automotive Engineers (SAE), the code’s definition may vary depending on the vehicle manufacturer. Don't get fooled by suggestions for add on Parts. 5th wheel RV). it dosent do this everytime. Nov 21, 2004 · Old (original) transmission would not lock up after a while, and eventually it did what all the Ram trannies did: it died. Have a tech ride with you, with a scan tool (or buy/borrow a scan tool) to see what Torque Converter Clutch (TCC) state is being commanded (unlock, partial lock, or full lockup). 1966 Monaco 500 with a 365 horse power 440 and almost all options, my project car. When I start it up I let her warm up . Step 1 Sep 26, 2023 · I have a 2018 Chevy Silverado 1500 which all of this symptoms, I went to a mechanic and he pointed that the problem is the torque converter and he is charging me for replacement 800 of labor (which I think it’s affordable) however he cannot do the job till 3 weeks from now and it’s the same with all of transmission mechanics in my area. Jan 20, 2012 · Rpms will be unchanged while cruising. To put it simply, when lock-up is engaged, it creates a direct mechanical link between the engine and the transmission, bypassing the fluid coupling aspect temporarily. Feb 9, 2012 · The main problem started when I bought a new (to me) 22ft enclosed trailer and was towing it empty back home last night. I’m having an issue with the torque converter locking and unlocking constantly while driving at a steady speed. Jump to Latest 40K views 7 replies 5 participants last post by ROCKSTAR_RAM Dec 18, 2010 Nov 8, 2023 · Addressing torque converter lockup problems promptly will help ensure the longevity and reliability of your Dodge Cummins truck. I did notice today that when it does Apr 13, 2024 · The Torque Converter Clutch (TCC) Circuit is responsible for controlling the lock-up of the torque converter. May 26, 2018 · 2007. 7L with a 545 RFE trans. And the car jolts/lunges forward or back what ever direction I’ve Customer: 2001 dodge ram 2500 5. May 26, 2012 · Think about it. Sep 1, 2016 · Dr. swamps diesel in la vergne, TN preformed the install. Just randomly happened, didn't feel slippage at all lea dining up to it or anything. Jul 3, 2019 · Come to find out there were only 3 loose bolts holding the plate to Converter! The shop he took it to, NOT the Dealer, had to replace the Flex Plate AND the Torque Converter! They said the threads for the bolts in the Converter were too messed up to receive the new bolts back into them and torque them to spec. In this case it sounds like the former. then it stopped locking up, tried flipping the switch on and off, nothing. 0 petrol with Automatic gearbox…. Nov 1, 2010 · 47re torque converter lock up problem. HARSH 1-2, 2-3, 3-4 OR 3-2 SHIFTS Lockup Solenoid Malfunction. The pull these 5. Both are Manufacture Control Transmission. anyway $1260 to fix it I hope you get better news 2 days ago · My 2019 3500 when towing the trans temp gets between 195-210 and kicks into overdrive and won't lock torque converter. Watch the rpms. 9 would lock up at 1900, and a 5. 9L Sport 4WD 4door auto with the 48RE, a nice truck. I've tried researching this code and I cannot find anything on it at all. When driving highway speed on a flat road my rpms are always fluctuating, Like its looking for a gear or unlocking and locking. Then I began to notice an jerky and rough 4th gear tc lock up it seems to take a split. Pressure Gauge: This tool is used to check transmission line pressure. If the PCM is commanding the state to go back and forth (like partial-full-partial-full), then the trans / converter is Jun 20, 2005 · It is normal and correct for both 3rd gear and Overdrive 4th gear to lock up the torque converter clutch after a few seconds of operation, on 46RH and 46RE autos. Jun 6, 2009 · 1990 Dodge RamCharger 360 conversion from 318 1970 Plymouth Cuda convertible - 440 6 pak 1967 Plymouth Barracuda - 340 T/A motor Dec 30, 2007 · I then talked to my local Dodge dealer ( a very large one) and asked about the problem and was told to bring it in and leave it with us a couple of days and we'll find the problem, and oh by the way it's 100. alldatadiy. Sometimes happens, sometimes dont. It would randomly disengage the tcc lockup at 60-70mph while on cruise control and eventually stopped working and the tcc would not engage at all. Oct 8, 2014 · 2613 posts · Joined 2011. At first I didnt notice anything wrong. When the brake pedal is depressed, the switch opens and power to the torque converter clutch is removed and disconnects from the input shaft. took it for a ride and the torque converter would lock and unlock frequently again, and then it Aug 6, 2005 · At about 55,000 the unlocking and locking became quite annoying and more often. Feb 1, 2008 · Dodge Ram Cummins 24V Truck Converter Clutch Cycling Repair. At lower engine speeds, the engine's torsionals (torque fluctuations) are greater, so when you tip into it at lower engine speeds (not enough to get a kickdown), you get spikes in the engine torque that break the torque converter clutch (TCC) loose. The labor cost to replace the torque converter is between $200 and $2000. If you don't believe me drive another vehicle which has a locking torque converter you know is working. Symptoms of Torque Converter Problems. I had the 5v running to the tps, but only about . When the torque converter does lock up you will have a delay in response. I have changed the tps and adjusted the tv cable. Nov 12, 2014 · P0740 = Torque converter clutch (TCC) circuit condition Cruise state: TCC unlocked for 10 sec. In this video I explain all the common symptoms when the torque converter is failing and going bad. Between 30 and 40mph if I give my truck around 10-40% throttle it will start jerking and slipping as the torque converter keeps locking and unlocking. Aug 31, 2006 · 2001 F-350 7. 7, 8 speed trans, 4x4. 9L Cummins: AirDog 165, Beans Sump, Firepunk 5 pos tune switch, 5” exhaust, Autometer trans temp, boost and EGT gauges, AFE intake, ARP 2000 headstuds, 4” lift on 20” Moto Metals with 35” Toyos Oct 21, 2022 · What is torque converter lockup? A lockup torque converter is simply a torque converter with a clutch. Sometimes they get stuck on - in that case the engine may stall on the downshift - it would be like trying to shift a manual transmission without pushing in the clutch pedal. Now at 145,000 miles and 30,000 miles on a rebuilt transmission from Randy's in Tooele UT, behind a 425 hp (max) engine rebuild by Industrial Injection. 1. An excellent post in explaining about the Torque Converter. were recycled, yeah that. If you do not have a transmission that is built to handle some abuse, this modification can be damaging to you tranny. Oct 5, 2014 · 2005 2500 4x4 BMS50 Hamilton cam 188-220-109. Other time the lock up just all the sudden started to slip. The lock-up clutch is controlled separately from the torque converter (computer controlled on our trucks). 9L diesel. Jump to Latest Jun 18, 2021 · Torque converter shudder is a common problem that results in a vibration before or after torque converter clutch lockup. Nov 13, 2013 · I’m having problems with my 2011 ram tcc solenoid . So got a 1995 Ram 2500. It lets you lock your torque converter in any forward gear. 9 - the low torque 3. 00 to hook to the computer, 100. The problem is that I am sure that my Torque Converter is not going into lockup. This leads to higher mileage, reduced noise and longer life. even if it's NOT your problem, consider 4. Oct 22, 2013 · The one listed with the broader 1900-2400 rating may list it's fitment from a 195 ft/lb 3. Mar 16, 2018 · This is the four pole brake-light switch mentioned below. No grinding noises or obvious signs of a bad trans, checked oil level and its in between cold/high. This is the filter:Products It fixed the lock up problem, but caused an another problem, the tranny don't cick down when i hit the pedal. The torque converter clutch (TCC) is applied in overdrive and sometimes other gears to lower engine RPM, reduce parasitic losses as well as reduce heat generation. This difference in speed is why the torque converter creates a torque multiplier (while also creating a small amount of parasitic power loss). Apr 27, 2012 · Thanks for the reply RamRzr, So it was the R8051146AB torque converter causing the shudder and vibration and the RL051146AB one fixed it? I wasn't sure if it was this converter or the trans but the more I think about it, it probably is the converter like you described as I feel like it happens at time when the converter is trying to unlock. I'm sure there are other sources than the dealer for a rebuilt torque converter, I got mine from PartsAmerica, but Tactransman (after the fact, of course ) tells me I paid too Dec 9, 2021 · This will cause the torque converter to rotate as one part. A torque converter can slip out of gear or delay a shift its fin or bearing is damaged. And amazingly it did just that! The shudder is completely gone and the transmission/torque converter has been happy all day. Feb 13, 2009 · 2007 Dodge Ram 2500 4x4 Mega Cab Auto 5. The transmission often must be removed to replace or inspect the torque converter for any problems. Torque converter slippage is important during acceleration, but it becomes a liability once the vehicle reaches cruising speed. May 16, 2022 · It has a torque converter lock-up switch that was on it when I bought it. Aug 1, 2023 · The torque converter is a vital component of the transmission responsible for transferring power from the engine. What happens is the torque converter has locked up or the lock up solenoid that sends the signal is bad and told it to lock up. Jan 7, 2014 · In my experience, shudder during deep-throttle accelerations in a high gear (low engine speed) are caused by engine torsional vibrations, which cause shudder in the Torque Converter Clutch (TCC). Jun 19, 2023 · P0740 – Torque Converter Clutch Circuit Malfunction: This general DTC indicates a faulty solenoid, damaged transmission wiring and connections or a problem with the ECM. 310"/. Normally the OD is left stock and lockup is wired with a switch. It was about a month afterwards that it started to lockup the torque converter. Below we have outlined how you can safely and easily conduct a torque converter test. Feb 5, 2008 · This will confirm if it's a hydraulic problem or a converter problem. VERY low, in fact. When driving normal with the switch on, it would shift OK, and then at about 45-50mph, the TC would lock up like normal and at about 35mph, let off the throttle, and the engine would go to idle when the TC would unlock. At 60,000 took it to a different Dodge dealer - tranny was junk again, they replaced torque converter, rebuilt tranny again, and replaced the valve body. 7L Cummins Diesel engine. There are several Nov 8, 2019 · Torque Converter Problems. Have you ever gotten in your car, started it up, put it in gear only to feel it shudder? I posted above that after I reverted the shift parameters back to stock the issue all but went away, well it's back. It transfers power from the engine to the transmission and allows for smooth gear changes. Retired Bureau of Automotive Repair Calif State Referee. Jul 6, 2023 · How to Fix the Constant Torque Converter lock up issues and apps problems for a 2nd gen ram 2500. :thumbsup: Liteweight Oct 30, 2020 · So I've got a 05 dodge ram 2500 Cummins. Except, this may still allow the lock-unlock-lock-unlock situation, just moved into a higher TPS range. I noticed when it locked the rpm hardly changed at all. Jun 15, 2012 · I had an Ats 68rfe installed in my 2007 ram about 5 Weeks ago (3000 miles). The TCC solenoid is an electro-hydraulic valve that controls the flow of transmission fluid to the torque converter. I live in the UK and I have several cars . I would think shifting gears while the TC is locked would put a lot of wear on the transmission clutches. If you are not using cruise control, and would like the Torque Converter Clutch to unlock for a short period, then EVER SO LIGHTLY TOUCH THE BRAKE PEDAL. If the brake switch input to the PCM indicates the brakes are on the TCC will release. The main reason a lockup torque converter is used is better fuel economy. I’ll check the relay tonight I didn’t know that. 99@ hr, and if we reflash your computer it's an additional 100. Sep 16, 2018 · 1999 Dodge Ram 1500 4x4 5. There are many different types of torque converter problems. Home brew cold air intake, Magnaflow exhaust, Diablo Predator Programmer,180 Jet Thermostat, Nitrogen filled Goodyear Eagle LS2's, color matched ventshades. I never used it. The reason for that is to that the torque converter (TC) will stay locked if you lift so an exhaust brake will work. the rpms go up immediately, then your torque converter is not locking up. After 5 minutes I put foot on Brake pedal and select D or R whatever gear I need. If that is not a problem, why not lock up the TC after the 1-2 shift and get more power to the wheels at all speeds?:huh: 6 Signs of Torque Converter Problems; How to Diagnose the Problem; Causes of Torque Converter Issues; Replacement Cost; However, diagnosing the cause of a transmission issue isn’t easy. #2 · Oct 9, 2014. The truck has 135,000 trany has 50 … read more Dec 18, 2008 · Torque Converter Issue Yes the problem is a torque converter issue. By following these diagnostic procedures and using the right tools, you can diagnose torque converter problems and take the necessary steps to repair your vehicle. If I let-off the gas, then ease into it, I can get the lock. This may be one reason why the Aisin has a fluid change interval of 30k miles while the 68RFE is 120k since they both have different torque Jan 16, 2009 · When TC clutches were first introduced TC lockup was the last step in the upshift chain. To prevent torque converter problems, consider installing an auxiliary transmission cooler. But (at low engine torque) there's no way the converter should give that much slip. Its a 2. Apr 12, 2012 · When I 1st got the truck it would drop from lockup and OD at the same time. Sometimes its as smooth as glass. 95v and the drop would only be from lockup and it would hunt from OD to lockup between 55 and 60mph. It is common for this valve bore to be worn and cause torque converter apply and release concerns such as: Engine stall coming to a stop. Is there an actual solution???:4-angermax: Jul 18, 2021 · Hello, My 1500 2014 5. after converter is locked if you ease up on the thottle it is as smooth as glass step on it a little it vibrates the The torque converter lock-up wear-out usually results in vibrations and wear of the pump bushing (which is the same in A604-A606 and is included in the kit of bushings). I am trying to determine if this is a mechanical problem (i. On nearly flat ground/slight up-hill grade, in tow mode, the trans was initially (I think) in 3rd gear with the torque converter unlocked (2500 rpm at about 60 mph). Mar 14, 2023 · A new replacement torque converter costs between $100 and $400. I got water in my TPS and it was stuffed. P0740 Torque Converter Clutch, No RPM Drop @ Lockup. 7 Jan 20, 2020 · Hello, newbie here. It sounds like the torque converter clutch solenoid has stuck or failed in the open position. Do you feel the TC lock in your truck? Dec 14, 2016 · This problem occurred before I put the EFI Live tune on it. Now other things can feel like converter shudder, especially engine misfire. I have already changed tps. I spoke to a friend who is a ford mechanic and he said it sounds as if the torque converter solenoid is stuck open and won't allow it to disengage. Replaced alternator again, problem solved. Malfunctions in the torque converter can cause various transmission issues. 9 auto, 4x4 Ram. 7v coming out. Jan 19, 2016 · There are many things that can cause torque converter clutch (TCC) cycling on Dodge diesels, from poor grounds to a failed fuel pump or a plugged fuel filter. Really, some poor joe shmo spends hours on trying to fix a simple problem that occurs often. Is P1757 the governor pressure solenoid? And is the P1740 the torque converter lock-up Nov 1, 2020 · I have a question for you guys, I just got my 94 ram 360 back on the road after sitting for over 3 years, the issue im having is my torque converter isnt wanting to lock up now, I drove it for an hour and a half last weekend and it would lock up occasionally but not everytime, I drove it an hour and a half home this past Friday night and it Jun 14, 2021 · I replace fluid and solenoid and that work for a moment but the codes came back but I just did a torque converter replace and that fix the problem p0741 and lock up cant remember the other code for lock up on a 2013 dodge gran caravan after replacing it thw p0741 will keep on but check engine wont turn on and you have to drive it around 25 Feb 28, 2009 · You can also get shuddering at full lock up but it is less common. Oem just went into lock up and never came out . The purpose of this guide is to simply Mar 23, 2010 · 2009 Dodge Ram QC/SB 5. Easiest way to correct this shudder is to either back off the throttle, or downshift the trans manually (using the ERS buttons) to the next lower gear. TCC lockup is a GREAT advantage over older non lockup converters. Unfortunately, when it starts to fail, it can lead to a cascade of issues that affect your car’s performance and drivability. 0 ram 2500 mcsb laramie - fass150 - vb by dynamic - 2" thuren suspension - 13. We did hook up the computer and took it for a ride. Mar 2, 2022 · 2007 Dodge Ram 2500 4x4 Mega Cab Auto 5. I was wondering what the possible causes could be for the torque converter not locking up. Let’s delve into some of the common problems a failing torque converter can cause. Prematurely locking the converter does reduce heat production but it also dramatically increases shock-loading on the input shaft and everything the input shaft is clutched to. The problem with the pump bushing manifests itself in leakages through the pump seal. Replace solenoid and relay if faulty. May 17, 2023 · 2003 Dodge Ram 3500 Dually 5. This quick and easy fix removes the annoying and Mar 15, 2018 · This would be the ideal situation where possible. A failing torque converter is one of the most common transmission problems we see, and when it fails it usually leads to other internal transmission damage. I could tell cause that single billet converter, when lock up happened the rpm would drop 500 to 600 rpm. 4th Gen : 2009 - 2018 & 2019 Jun 28, 2006 · Torque converters in the newer trucks have 2 stages: (1) a fluid coupling occurs first when you are starting, accelerating or pulling up a big hill, (2) when you are cruising at a constant speed the lock up portion of the converter is engaged and 100% of each rpm is transferred through the converter, just like a standard clutch. Sometimes this is an issue with the actual TC itself, meaning problem with the clutch. THe code is a p0743, which is a torque converter clutch solenoid circuit too low, or open. Completely stock. Occasionally wit Jul 5, 2010 · The input will always spin faster than the output. Drove it about 100 miles over the next 3 days with no problem, then while driving home from work a rough bridge Problem #1 - The Torque Converter The 48RE transmission has a virtually identical torque converter; suffering from the same benefits and ailments as one another. Mar 10, 2009 · I replaced it and the transmission behaved nicely until batteries wore out, abd the problem came back. Dec 14, 2014 · Been having some issues with the tranny, doesn't want to lockup in 1st gear below 2500 rpm, same issue in 2nd and 3rd. Hmm. Powertrain. 2L, 727, Short Bed "We sleep safe in our beds because rough men stand ready in the night to visit violence on those who would do us harm. But driving it down 3 hours away felt as it was screaming on rpms. Feels like a giant gear shift. Mar 16, 2011 · Now, with all the good parts in it, I have increased the line pressure to 150 psi. I had just serviced the 68RFE against mechanics advise!! Some metal was found in sump". That's why virtually all modern torque converters use a lock-up clutch. The TCC solenoid is a switch used to control fluid pressure and release that can lock up the torque converter clutch. Should have Lock-Up in there to help cool tranny, right? The torque converter, like any other component in your vehicle, is susceptible to wear and tear over time. Accelerate slightly. 9L, 360 cui. It would force lockup to be delayed until higher throttle, which would mean higher speed and higher RPM. Like. When it comes to buying a used TC, does it matter Jul 3, 2017 · Owned my 2009 Dodge Ram 2500 Mega Cab Cummins diesel 2 weeks and converter locked up and stalled engine. Sep 8, 2009 · The once I've made my point, it shifts up again, then goes to Lock-Up NORMALLY. But, once the Torque Converter locks-up it seems extremely touchy about kicking-out and in at speeds from about 35 to 55, even on the level. Feb 28, 2010 · Ok i have read through a bunch of forums looking for my particular issue but have yet to see it and if i missed it i apologize, Ok i have a 96 dodge ram slt 4x4 lifted, 5. 9L Cummins: AirDog 165, Beans Sump, Firepunk 5 pos tune switch, 5” exhaust, Autometer trans temp, boost and EGT gauges, AFE intake, ARP 2000 headstuds, 4” lift on 20” Moto Metals with 35” Toyos May 3, 2024 · This valve regulates the applied pressure to the converter clutch to get a smooth or short lockup depending on engine load relative to line pressure. Everyone goes for the band-aid route because no one can or is either willing to spend the time to diagnose the problem. 65ish doing like 2k RPMS. I went from having the rattle to having a very pronounced shudder, "rumble strips" as they are affectionately known. going to try a different dealer see what they think. Don't get tired and say it does not cover my exact, precise, dead on condition. 7 Sport have some torque converter issues, i get shudder at low speeds when accelerating slowly but if i push the truck some it drives fine. Took a volt reading of the TPS/APPS: 0. I have a 2014 ram 1500, 5. Jul 15, 2016 · We would like to show you a description here but the site won’t allow us. Wide Open Throttle blasts with the converter lockup is an absolute blast now. Put your foot under the brake pedal and hold it up. I loosened the screws that hold the switch and pulled it back then retightened the screws. Also the valve body is different it has a lock up feed tube not found on non lock up trans. The question I have is about the transmission torque converter lockup operation. 9L The trans torque converter will not lock up in or out of overdrive. The engine torque will fall way off at speeds of ~3000+ RPM, so if the converter is allowing the engine speed to go that high, that explains why you get no acceleration. In essence, the TCC solenoid is like a computer controlled on and off switch for your 4l60e’s torque converter lock up. And I also get a code that reads p2769 which is a low torque converter circuit. This takes stress off the engine and maximizes the power used to propel the vehicle. Jan 3, 2007 · From what I know (and that ain't much) and read (which feels like a lot now)about transmissions it seems like the torque converter lockup is trying to engage at an inappropriate time. Test solenoid, relay and wiring for continuity, shorts or grounds. Torque converter issues on a lot of older transmissions can be diagnosed by carrying out a stall-speed test. Feb 25, 2013 · TORQUE CONVERTER LOCKS UP IN SECOND AND/OR THIRD GEAR Lockup Solenoid, Relay or Wiring Shorted/Open. Rebuilt the whole transmission with all new parts (really got taken to the cleaners on that one- wish I knew how to rebuild auto trannies!) and now the new torque convertor locks up ONLY WHEN IT'S COLD AND/OR RAINING. Has anyone had this problem or currently has is? What problems will this cause? Apr 19, 2019 · This is actually a fairly common problem with the 700R4/4L60E overdrive transmissions but luckily the solution is also relatively easy. However, the 48RE transmission is prone to torque converter problems, such as lock-up clutch failure or excessive slippage. No journal, not a lock up trans. Torque converter shudder tends to show itself or get worse as the transmissions fluid looses its viscosity. This time bad regulator, low voltage output, but plenty to keep batteries charged. I have read through the "Torque Converter Lock/Unlock Issue" thread for the 2nd Generation Trucks on this site twice and tried several fixes suggested there with no improvement. Be cautious with this DIY. The first torque converter they installed was the R8 version per the Star Case. Jul 1, 2009 · Ok. The torque converter lockup symptoms and how to fix a locked-up torque converter are: Vehicle unable to shift. Jun 22, 2018 · It could be a problem with the transmission, or the transmission could be perfectly fine and it could be a problem with the torque converter. On older vehicles, the vibration was usually felt around 40 to 50 MPH, when lockup took place. Seems like it may be tune related and so reflashing the tune zero'd all learned tables which corrected the problem, once I drove the truck for a few cycles the ECU relearned and the surge from the tq converter lockup is back as it was before. We fixed our torque converter lock up problem for $30!On this video we take through the symptoms of what we were dealing with (torque converter cycling in an Jan 6, 2010 · V10 Ram truck club member #3 Toys: '96 Ram 2500 V10 4X4 extended cab, long bed for towing my 28-foot 5th wheel Alfa toy house. I know that the the Org/Blk wire is for the TCC so I traced it all the way back to the computer looking for shorts. If the problem only occurs during full lock up I would look to the ignition system first. Preventive Measure: Installing an Auxiliary Transmission Cooler. 9 ca so 47re 4:10 rear Pac brake exhaust brake. , ECM commands converter lock-up and did not record engine speed drop Probable cause - Low fluid level - Poor fluid quality - Defective torque converter clutch - Internal transmission failure Oct 5, 2021 · Hi Everybody, I have a 2006 Dodge 5. My 93 Ram D250 is having problems with the torque converter staying locked up. Sep 21, 2009 · When my torque converter clutch locks up (between 4th and 5th gear) I get as much as 600 rpm drop. One of the major signs that tell you the torque converter is locking up is when your car is unable to shift to a particular gear. Feb 28, 2011 · 1995 Dodge Ram 1500 SLT Laramie (318 CID/A4) - Emerald Green & Silver / Tan Leather - Gibson SS Headers, Magnaflow Cats, Dynomax Turbo, Duals dumped out back, Fastman 50mm TB, K&N Filter, Hayes Fix, Mopar Perf PCM, Taylor Wires, Hypertech Coil, Mopar Perf Valve Covers, Eaton True Trac W/ 4. They may cover read issue and present other problems or failures Jan 18, 2012 · I have a 2001 Dodge Ram 1500 4x4 Off-Road. Brought it in to dealer and they said it was a bad torque converter and Apr 8, 2013 · The torque converter solenoid is supposed to mechanically lock up the torque converter at highway speeds to improve gas mileage (eliminate converter slip). The torque converter has a clutch inside that locks up when cruising (and at certain other times) making a 100% mechanical connection, so if you're cruising it will be unchanged. Mall crawler from day one. I think it does it any time but is noticeable under load (12,000 lb. Dec 28, 2008 · Very simple, it's a switch that allows you to manually control your torque converter lock-up solenoid. 2ND Generation Dodge Ram – 1994 to 2001. Truck is completely stock and has 147000 miles. Sometimes its a problem with the hydraulic circuit in the transmission that controls the clutch. These are the signs you should be on the lookout for to ensure your car does not fail when you least expect. Jan 26, 2016 · put everything back together and took it for a ride. Shifting became erratic. Aug 18, 2020 · The Chrysler 68RFE was utilized in the ’07–’20 Dodge Ram 2500 and 3500 with the high-torque output 6. Simple test. Jan 28, 2010 · Lockup torque converters release anytime the brakes are applied. second too long. P0741 – Torque Converter Clutch Circuit Performance or Stuck Off; P0742 – Torque Converter Clutch Circuit Stuck On; P0743 – Torque Converter Clutch Circuit Electrical See full list on 700r4transmissionhq. In short, it can be done. In short, this torque converter suffers from multiple different inefficient design flaws that contribute to probable failure early in their life. wordpress. 7 non MDS seems like its torque converter is always locking and unlocking. com is a great source for factory service information for a $25 1-year subscription fee. Mar 4, 2014 · Hi guys. I'm sure my mods don't help at all but it really didn't feel like power issues more electrical the way it just quit. Company's take advantage of you and try and sell you a noise isolator for $25 to fix a TC hunting problem. Sep 28, 2023 · Torque converter lock-up is a technological feature designed to address a specific challenge inherent in the operation of a traditional torque converter. Jan 27, 2009 · 2002 Ram 1500 SLT 4x4 QC ~ 02 Ram 45RFE to Jeep GC TCM 5-45RFE Upgrade - (Nov. It is just doing what it is told. The torque converter is a critical component of the transmission system. Dec 21, 2011 · My girlfriend has a 2001 RAM 2500 with the 5. Air-ram Power Wire. Nyca; Apr 6, 2024 Dodge Ram Generations Forum. Both where the lock up part. New batteries didn't solve the problem so checked alternator again. Nov 14, 2013 · Alright, so like it says in the title, my converter won't lock. A bad torque converter will cause shuddering, vibration, May 31, 2012 · Joined May 31, 2012 Posts 1,961 Reaction score 145 Location Plano, Texas Ram Year 2009 Engine 4. Apr 14, 2012 · torque converter upgrade advice truck rolling larger tires is also going to have trouble staying in lockup (1:1) the ultimate Dodge RAM forum to talk about Aug 23, 2009 · Hi, I just bought a 2001 Dodge Ram 2500 4x4 5. Also seems like with the fresh fluid and filter it's getting a little better under control but still isn't quite there. Apr 1, 2010 · lock-up vibration mine does the same thing all was good till around two weeks ago it just started a vibration at lock up dealer replaced torque converter last week it helped a little but still has some vibration when locked. I checked the 3 wire connector on the transmission and the middle wire has 12 volts. The problem is the RF noise being picked up in the APPS wire going into the computer ECM?PCM that causes the lock/unlock problem. 9 cummins torque converter lock up is going crazy. 9's have when it's not being wasted with slip & heat in the torque converter is outstanding. Just wondering if this was normal operation. When your Dodge Cummins experiences torque converter lockup problems, identifying the possible causes is crucial for effective troubleshooting and resolving the issue. I’m having issues with my 2002 Mercedes SLK200 Kompressor . The lower connections are normally closed, which would route power to the 700R4. The problem is that i takes about 30 seconds for the TPS to give max current! Jan 26, 2021 · Fluctuating or intermittently is still faulty. 97 5. Install the noise limiter. https://certifiedtransmission. Then it seems to shift to 4th and lockup at the same time. There are several signs to tell you there is a torque converter lockup problem. Aug 11, 2017 · The problem I'm having is that I don't know if my torque converter is with locking or without locking. When it wasn't downshifting right I changed the fluid and filter. 9 V6 all the way to the 325 ft/lb 5. The reason disconnecting the battery seems to correct the problem is because it resets […] Sep 28, 2020 · Hey everyone. Dec 5, 2010 · I went through the multiple torque converter replacement scenario also. Oct 8, 2008 · Cruise at a steady speed above 35 mph. Unfortunately I don't know which transmission; and that's the problem. I have a 2006 that has had the same problem. Oct 1, 2009 · Identification of a lock up 727 is real easy, with the converter removed the input shaft has about a half inch long journal on the end of the shaft after the splines. i brought it in to the dealer this morning they could not get their computer to connect to the truck but got feed Oct 16, 2012 · My 2008 dodge ram 1500 5. A computer dianostic at a trans shop will show all is fine, even though its not, I have been there. I have unplugged the 3 wires that control the OD and Torque converter lockup and the transmission shifts fine (except no OD or lockup). Where Is The TCC Solenoid Located The 4l60e TCC Solenoid is located on the front passenger side of the transmission near the valve body. 8s 1/4 - mm3 - stock intake and exhaust. So now im looking to replace it but i have some trouble finding a replacement. I took it to my dealer and his transmission guy is on vacation(it is a small dealer and I do not begrudge a guy his vacation). The torque converter is a fluid coupling that transfers the engine’s power to the transmission. Edge tuner. Feb 17, 2008 · It will not unlock the torque converter until I come to a stop. Jun 19, 2008 · I have a 2000 Ram 2500 4x2 with no real mods. Jan 2, 2020 · I have found that the torque converter is not locking up on the highway but the trans is going into overdrive and shifting into 4th gear. Drove great shifted through all gears so I bought it. Thinking about changing lockup solenoid. Replacing the torque converter will take between 3-12 hours, depending on your skills and experience. The trani or torque convedrter are not the problem . You didn’t mention what vehicle this is in, but the solution is still the same. When the lockup torque converter is engaged, it causes the engine to lock to the transmission input shaft. Jul 16, 2016 · Go to the thread on torque converter issues at top of this forum. 7 HEMI Stone White 20 Inch Rims. dvbs uqyru ydzilcf zdly vqaiytb kixq kkwt pojs tpfgnb ifksfub