E4od Torque Converter Lockup Problems

A PWM (pulse-width modulated) torque converter clutch solenoid was also added, first to 4R100s in diesel applications and later to all 4R100s. The torque convertor transfers power using hydraulic force and it is internal to the transmission assembly. It has a couple components that can become damaged, the needle bearings and the solenoid. (2-trip detection logic). Most lock-up circuits are designed to allow a certain amount of torque load before releasing lock-up. Usual Suspects: the torque converter part 1. We are the largest privately held Torque Converter manufacturer in the world!. If the torque converter is locked up into drive and the neutral is not releasing the transmission, you do most likely have a problem with the torque converter clutch. When the torque converter clutch solenoid valve is activated, the torque converter lockup clutch will engage creating a 1 to 1 RPM ratio between the transmission input shaft and the rotational speed of the torque converter. A faulty converter clutch can also cause other symptoms like slipping and rough acceleration. I have a 1992 ford f350 with the E4OD in it. When the problem is not present it works perfectly. Odd sounds. In some cases, a torque converter can make an odd noise, similar to a whirring or clinking sound, when it starts to fail. Another possibility I’ve heard about — but only once! — is a small piece of debris can fall into the solenoid feed orifice (figure 9) and block fluid from reaching the solenoid. There seems to be a problem serving the request at this time. He said it's the lock-up mechnism on the torque converter when I accelerate lightly at highway speeds. I run 2 15" Fluidyne enduro coolers, synthetic fluid and run 5. I have had it to a tans shop. if that is the problem, it is. This is a point in the torque converter’s cycle where the turbine (attached to the transmission) reaches 90% of the impeller's (attached to the engine) speed. Overdrive & Lockup Solenoid 2000-2009 47RE & 48RE Transmission; Common problem with 47RE & 48RE transmission is to lose Overdrive {4th} gear or Lockup of torque converter; Common problem is transmission temp sensor quits working; This solenoid corrects all 3 of these probelms; To replace this solenoid you must remove pan and filter. A un-locked torque converter is the biggest source of heat in a transmission, and heat is the biggest killer of transmissions. Valve number 3 is for torque converter lockup, is a clutch between the driving turbine to the driven turbine that is engaged to lock them up. Yes the car will move before the rpm that the stall is rated at but it will feel spungy and not fun to drive in regular street duty. We Test, Not Guess! Click Here To Shop Now! Frequently Asked Question: How Can I Determine If I Have A Goerend Converter? Click Here For. however with NO load and level ground the torque converter unlocks and will not lock back up until I slow down to below 65 mph. This is not the case. We offer a variety of Torque Converter Lock Up for your automotive needs. Although the 11. The problem wasn't the gearbox itself but with the torque converter. The XT-LOD was initially abandoned in 1966 but design began again in 1974 as a result of rising gas prices. But on the interstate I use S-5 or S-4 depending on the. I was going to connect a recently bought (used)700r4 box to my 350 sbc tonight but when i slid the converter all the way onto the shaft i discovered it wont turn. And after about a half day of testing, found that the computer is not telling the trans to lock up, and for no apparent reason. But there has been one nagging problem that he wanted to resolve before he put in the effort to paint the truck – the transmission seemed to refuse overdrive and the torque converter refused to stay locked up. I had the dealership flush the transmission and no change. TripleLok® Torque Converter - 1989 - Early 03 Ford E4OD / 4R100 Part # 3029303104. However, lockups do have their own problems, with symptoms of failure including noticeable gear slippage and a pronounced shudder when shifting. I have never bought that assunption and the gas mileage will not suffer much because the converter doesn't lock up anyway until you reach cruising speed, and most cars would perform better if it didn't. Pre-Power Stroke Diesel (7. 7l engine with the auto stop/start feature. P0743 Description The Torque Converter Clutch (TCC) solenoid valve is activated, with the gear in D4, by the Transmission Control Module (TCM) in response to signals sent from the vehicle speed and the Engine Control Module (). 44" / Pads 4 Studs / Input Splines 31 / Low Stall / FM-91D (THIS CONVERTER IS FOR 4 BOLTS) (If you are searching for a 6 bolt converter ,please purchase Part#FM64Q). Cause: When engine stalls when put into forward and reverse gears, may be hot or cold, or all the time the likely problem is that the lock up solenoid is mechanically stuck. Introduced in 1989, it was Ford’s first fully electronic. Left - Rich Bruder has been knockin' 'em dead in X275 with an ATI torque converter. It may be that it's not going into overdrive until. This causes chattering and considerable noise in the transmission. Fluid is good, no flashing OD light or anything, and it has a PI converter. Order AT Assembly for your vehicle and pick it up in store—make your purchase, find a store near you, and get directions. the on-off E4OD, due to the size and position of the TCC control valve orifices. It may be that it's not going into overdrive until. A larger version of most of the pictures below can be viewed by clicking on the image. php) press a button and it locks the torque converter, press the brake a. In modern automotive applications, this problem is commonly avoided by use of a lock-up clutch that physically links the pump and turbine, effectively changing the converter into a purely mechanical coupling. Torque Converter Lockup Switch Warning. it's definitely an issue between the TCU software and the lockup characteristics of the torque converter. Torque Converter Lockup Switch for ‘96-’02 Ram The addition and use of a torque converter lockup switch can improve 0 to 60 mph times by 3-5 seconds, improve your ability to stay in higher gear when pulling heavy loads, and improves braking in 3rd and 4th gears when using an exhaust brake. TripleLok® Torque Converter - 1989 - Early 03 Ford E4OD / 4R100 Part # 3029303104. First time was when i was hauling grain this summer, grossed 22k+, 90+ outside temp, and i couldn't go fast enough to get the converter locked. Converter immediately goes back into "lock-up" condition. 9L E4OD 1996 FORD TRUCK E 250 VAN 4. I wanted to briefly mention what the term lock-up means. My guess is it's working fine. The LED light in the switch only indicates when the override is turned on, not when the torque converter is locked. Most lockup torque converter problems arise outside the torque converter, either in the valve body or in the electronic controls or engagement solenoid. 5:1 ratio over actual engine torque at stall speed. E4OD/4R100 Torque Converter E4OD/4R100 Torque Converter Family: Torque Converter Remanufacturing Standards Ford E4OD / 4R100 / 5R110W. Lock-up operation, however, is prohibited when A/T fluid temperature is too low. So just because you provide an electrical torque converter lockup signal (via a switch) does not mean there is adequate line pressure available at that time to execute that command. First time was when i was hauling grain this summer, grossed 22k+, 90+ outside temp, and i couldn't go fast enough to get the converter locked. Just bought a 02 Sahara 4. 700r4 and lock up problems revisited to unlock then lock up converter work like the manual type application of a brake pedal. net is the home of the Transmission Rebuilders Network offering the leading transmission rebuilder forum in the transmission industry. We have triple clutch converters for the Ford Power Stroke Diesel, Allison 1000 and Dodge Cummins Diesel. A torque converter shudder is a brief shake or shudder in the vehicle when internal clutches apply inside the torque converter. Ford's replacement for the C6 was the E4OD, which featured a fourth forward speed, electronic shift controls, and a lockup converter. The grobe cutouts on the sidewall that the lockup plates fit into wear out. If you can get it while it is fresh shut off you may get up to 2 gallons out of the torque converter. The inner shaft, which is driven directly from the front cover of the torque converter bolted to the flywheel, provides direct drive in Third gear and bypasses the hydraulically driven components of the torque converter entirely; the hollow outer shaft is driven hydraulically by the converter and drives First, Second, and Reverse gears. The lockup torque converter was designed to make the transmission more efficient at highway speeds and to control heat. Most of us enjoy the smooth and effortless feeling of driving in an automatic transmission car The driving is effortless because you don’t need to…. There seems to be a problem serving the request at this time. Stall speeds and efficiencies are precisely matched to your truck!. Basically at random times the torque converter does not appear to lock or randomly unlocks even though my speed is constant (I. Also, located in the front pump body is the lockup control valve. It's only available for the 45RFE and not the more common 42RLE. It is a Florida car in tremendous condition except for one nagging problem. It's possible that your transmission is fine, but your torque converter needs to be replaced. Our lock-up clutch plate has 5 double silicon chrome springs. As the torque converter locks up to keep all that unnecessary slippage and heat at bay, it now has to overcome even more slippage than usual, which taxes the lock-up clutch even more, and can significantly shorten the life of the converter. I would like to record them and see if I can see anything funny that may relate to the shudder. What color are Transtar torque converters?. this is in a 92 f350 tow truck 7. There is a separate LED shown in the schematic that will indicate whenever the torque converter is locked ( light on ) or unlocked ( light off ) whether by the ECM or the TC Lockup switch. We also do Allison 643 Torque Converters, Industrial, Forklift and Heavy Machinery. The torque converter is responsible for transmitting power from the engine to the transmission. ford e4od transmission diagram e4od transmission repair manual atsg e4od fluid ford explorer 99 manual auto shift manual transmission ford transit ford. If the torque converter is locked up into drive and the neutral is not releasing the transmission, you do most likely have a problem with the torque converter clutch. Fingers crossed. The A4LD was the first Ford transmission to use an EEC-controlled torque converter lock-up clutch and later became the first to use electronic shift control (via a 3-4 shift solenoid). you will need to replace the solenoid pack. What can be changed is the operation of the torque converter lockup, by overriding signals to the unit and sending phantom signals back to the ECU to prevent a check-engine warning. A stuck torque converter clutch control valve in the valve body, a bad torque converter clutch solenoid, or my best guess, a damaged or missing seal on the input shaft. However, locating the exact match to your vehicle can be difficult and sourcing a properly functioning used E4OD Transmission may take several installation & removal attempts before getting a good one. 00 Add to cart; 68RFE Torque Converter 3 Clutch Billet with Damper and Billet Steel Stator Upgrade Number 68S. E4OD "Triple-Disk" Triple Clutch 4 Lug Converter for the Early Ford Diesles. I had the dealership flush the transmission and no change. All E4OD questions answered by experts. Hi there, I have an interesting problem with the 4 speed auto on a 6 Cyl VL. Installing one of their Torqforce Performance torque converters will help you haul heavier loads with more ease and maintain more power to the ground for whatever you throw at it. My torque converter has called it quits and i need to know a good place to pick one up. Ford E4Od and 4R100 transmission technical information. 2005 CRV with Torque converter issues I own a 2005 CRV with 120,000 miles. 8 E4OD trans. Aeration will be your biggest problem. These converters are not a “one size fits all”, they have a custom designed stator, pump and diameter made specifically for your application. Visit the post for more. Select options. Scott’s almost has the red Jeep ready for paint. The swap out was succesful, except, the torque converter lockup function is dysfunctional. When the torque converter clutch solenoid valve is activated, the torque converter lockup clutch will engage creating a 1 to 1 RPM ratio between the transmission input shaft and the rotational speed of the torque converter. Whether you need just a better than stock replacement torque converter or a full blown sled pulling converter, Revmax has you covered! Each Revmax diesel performance converter is custom made to your exact specifications. Description: Torque Converter (Non Lock-Up), 1990-93 Dodge w/ 518 Automatic must be used if installing a billet flexplate. When the torque converter clutch solenoid valve is activated, the torque converter lockup clutch will engage creating a 1 to 1 RPM ratio between the transmission input shaft and the rotational speed of the torque converter. Best Darn Torque Converters in the World! Home. Regarding your problem, I'd start with checking your fluid level. We hear a lot of questions about torque converters. The size and fin clearance are two factors that generally change the stall or lock up rpm. I'm going about 2k rpm in OD at about 55-60. You command the torque converter to stay locked, stay unlocked, or revert to OEM settings with the BD TorqLoc. Problems with Torque Converter Lockup I just installed a 3600 stall converter and a fully rebuilt transmission into my 2000 Trans Am. 2005 CRV with Torque converter issues I own a 2005 CRV with 120,000 miles. The problem wasn't the gearbox itself but with the torque converter. Although the 11. The circumstances can differ from trans to trans, newer cars will lock up the torque converter early (say 2nd or 3rd gear), and remember newer trannys have more gears so 3rd in a brand new car isnt the same as 3rd in a car from the 90s. All AODE and 4R70W transmissions use similarly designed converters. The purpose of this technical write up is to help our customers understand what the torque converter "lock up" clutch function is, how it works and why it is so essential to the overall efficiency and longevity of these overdrives. In the forum you will find an informative tech area, a place for Member’s journals, Vendors with special Members pricing, and more!. When ‘On’, causes the lock up clutch to engage inside the torque converter. The Ford Territory 6R80 Automatic Transmission is a fully electronic Transmission, it has a total of seven solenoids that are used to shift the valves and control the Lock Up Clutch. The swap out was succesful, except, the torque converter lockup function is dysfunctional. How does a torque converter work? There are three main parts in a torque converter. Description One (1) Internal Wiring Harness One (1) External Wiring Harness One (1) Vacuum Switch. This is a sample of the most common ones. Common torque converter problems can take many forms, and diagnosing the cause of a wonky automatic transmission is fraught with complexity. Transmissions are built to order and customized by horsepower, tire size, and performance goals for your truck. Brian's Truck Shop guarantees the highest quality standards for custom-built E40D, 4R100, and 5R110 Ford transmissions for two years. The aftermarket has attempted to address the torque converter problems but has come up short. Re manufactured torque converter that fits on 4. However, if you. Problems with Torque Converter Lockup I just installed a 3600 stall converter and a fully rebuilt transmission into my 2000 Trans Am. A Used E4OD Transmission Used E4OD transmissions are no doubt an enticing option because of they're affordability. In most causes, the low pressure is an internal transmission problem and not a bad torque converter. What you are most probably feeling is called a lock up clutch. Torque converter Torque converters toronto ontario canada united states us usa for automotive and industrial applications. The lockup clutch has many purposes and is part of the transmission. With Diesel engine high-torque performance and high-load situations, the torque converter must multiply the torque at low engine RPM to get the truck moving and then the lock-up clutch must hold on in peak demand. I have a 94 F250 5. Higherstall speed - When issues in the torque converter worsen, it will take more time for the transmission to engage the engine, leading to irregular engagement and consequently, total failure. Small thing seems to have happened since I last drove my truck its a 93 import with auto box, o-drive switch and normally locks the torque converter above a vertain speed. Here's the converter before it was cut open. " I took my car in to the Volvo dealership immediately. This LED can be mounted anywhere on the dash. it's also possible that it's not a torque converter lock up problem at all. So I dropped off my 3 years old 530i at the dealer to diagnose the problem with the car intermittently bucking at highway speed. 3l and the 4L60E 4WD. Sign up for the ProTorque newsletter and get the latest info on new products, sales, upcoming events, Team ProTorque successes, and more. American Honda investigated the judder and found that the torque converter was not causing the judder and the transmission is not damaged by this judder. E4OD / 4R100 Torque Converter, Diesel Torque Converter sold here, Thor Converter available with Lifetime Warranty. Clark Torque Converters: K&L Clutch & Transmission provides the tough, long-lasting Clark torque converters, recognizing the excellent reputation that precedes the brand. Once it warms up, it runs better. If it's time to put some life back into the transmission of your E4OD, then BD has just the answer. on a grade), so that was different from what has happened on the two occasions when the torque converter has given me problems in the last year. RockAuto ships auto parts and body parts from over 300 manufacturers to customers' doors worldwide, all at warehouse prices. The inner shaft, which is driven directly from the front cover of the torque converter bolted to the flywheel, provides direct drive in Third gear and bypasses the hydraulically driven components of the torque converter entirely; the hollow outer shaft is driven hydraulically by the converter and drives First, Second, and Reverse gears. As for reconditioning the torque converter, most likely they installed a reconditioned one. Lock-up operation, however, is prohibited when A/T fluid temperature is too low. The grobe cutouts on the sidewall that the lockup plates fit into wear out. The technologically advanced Torque Converter Automatic Lockup Kit provides a seamless integration between the Torque converter and Stocklock Torque Lockup Kit to maximise your towing *This product is currently only compatible with LC200, PRADO, FORTUNA, HILUX* A handy addition to your other equipment The lockup kit is a timely addition to your other equipment that […]. Take an automatic transmission snapshot and forward it to Tech Line using the RO number. For many years now, the E4OD when shifting from 2nd to 3rd seems to wonder and take a I have the trans manual, I can email it to you if you. Trans shifts fine through the gears, both up and down. When I'm cruising down the road at whatever speed in whatever gear,my torque converter doesn't seem to be locking up. There are torque converter control solenoids, and if stuck in the wrong position they can keep. Also like the E4OD, the 4R100 is still relatively plentiful and can be built fairly affordably. That was the 10. Some info regarding Honda Accord Torque Converter Clutch Solenoid Circuit 98 catalytic problems: 97 civic: E4od lockup: Get more info about converter torque. 9 out of 5 stars 16. E4OD Torque Converters, 4R100 Torque Converters - The staff has been amazing to work with and takes care of their customers better than any other company I have ever dealt with. Had Dodge scan the truck, checked PCM, TCM and lock up sensor. Hi everyone, (firstly I have a 88 GQ Patrol, auto, carby, on gas/petrol) I have a problem with my torque converter, it wont lock up. Personally, I have owned many late 70s and early 80s cars and vans equipped with a lockup torque converter and never had a problem. I went back to the stock calibration for TV pressure before I tried it, glad I did, it shifts plenty snappy and I can catch second gear, Errrk! I am a real newbie when it comes to auto's and converter lock-up for performance and for a mellow cruise. BTW, the shudder you are getting is the clutch in the torque converter. Overdrive & Lockup Solenoid 88-95 46RE & 47RE transmissions; Common problem with 46RE & 47RE transmission is to lose Overdrive {4th}gear; Common problem with 46RE & 47RE transmission is to lose lockup of torque converter; This solenoid corrects both these problems; To replace this solenoid you must remove pan and filter. I have started feeling a bad vibration when I'm in low RPM rages 1,500-2,500 with no load. American Honda investigated the judder and found that the torque converter was not causing the judder and the transmission is not damaged by this judder. stator is upgraded (replaced), and the cover is upgraded to billet steel. Works great towing or during competition use. You can diagnose problems with your torque converters on many older transmissions by conducting a stall-speed test. Now I'm sure there will be the naysayers but those folks are only pushing their luck and fooling themselves. This unit has been rebuilt at our state of the art facility using the latest remanufacturing technology. There is not enough pressure at the TCC piston to reduce the slip as the engine input torque increases. The size and fin clearance are two factors that generally change the stall or lock up rpm. Also, located in the front pump body is the lockup control valve. Failure to re-calibrate the transmission may lead to excess lock-up clutch wear and poor shift performance. Every time they flash they switch the solenoid on/off. Switch in down position = torque converter manual lock-up. When the torque converter clutch solenoid valve is activated, the torque converter lockup clutch will engage creating a 1 to 1 RPM ratio between the transmission input shaft and the rotational speed of the torque converter. The TripleLok® Torque Converter for 1989 to 2003 Ford PowerStroke is the only Diesel torque converter on the market that has been awarded two patents from the United States patent office. You command the torque converter to stay locked, stay unlocked, or revert to OEM settings with the BD TorqLoc. I'm curious to find out if this is normal or there is some kind of fault. They found the following fault code - P0741 (Torque Converter Clutch Circuit Performance or Stuck Off ). As the accelerator is pressed the RPM's raise and the torque converter will start to lockup or engage. Problem is twice now the truck has stalled when i put it in reverse, both times have after its gotten fairly warm. RACER X FULL CUSTOM VALVE BODY for E4OD TRANSMISSIONS 1989-995. Lock-up operation, however, is prohibited when A/T fluid temperature is too low. Designed with the street/strip application in mind, this torque converter benefits more radically prepared street machines (those with performance cams, aftermarket carbs and higher compression ratios) to bring the launch RPM in line with. Please check out 1979-1993 Foxbody Mustang Transmission Parts for an updated selection. The first vehicle to use the E4OD transmission was the Ford F150, F250 and F350 series pickup truck. the problem i have is 1st to second shift is good but then it dumps the lockup in. Yes the car will move before the rpm that the stall is rated at but it will feel spungy and not fun to drive in regular street duty. And after about a half day of testing, found that the computer is not telling the trans to lock up, and for no apparent reason. Why did the flush/fluid change not fix your problem. > A new TC is usually worst case. 96 I ran during the Test and Tune prior to the event! Thank again for an absolutely AWESOME converter!” » Marka Gallina, Gallina Racing. Car does not drive properly at highway speeds as the torque converter does not lock up as intended. More importantly there are some vehicles that have specific problems with this electronically controlled torque converter clutch system. New and Used Automotive Parts and Accessories On Sale Fm64l-e4od 4r100 Torque. The torque converter clutch is also known as a lock up converter. Brian's Truck Shop guarantees the highest quality standards for custom-built E40D, 4R100, and 5R110 Ford transmissions for two years. 5" some say 12", i was told this is a good one, Ford AOD B&M 2400 Holeshot street. Had Dodge scan the truck, checked PCM, TCM and lock up sensor. Aeration will be your biggest problem. I'm looking to change the fluid on my e4od in my 1990 f250. I think the torque converter doesn't know to lockup or not. Personally, I have owned many late 70s and early 80s cars and vans equipped with a lockup torque converter and never had a problem. Cause: When engine stalls when put into forward and reverse gears, may be hot or cold, or all the time the likely problem is that the lock up solenoid is mechanically stuck. Designed with the street/strip application in mind, this torque converter benefits more radically prepared street machines (those with performance cams, aftermarket carbs and higher compression ratios) to bring the launch RPM in line with. Under normal driving conditions, the TC locks up at around 45 mph. Simply put, since a torque converter is a fluid coupler it will always have a certain amount of 'slip' built into it. This LED can be mounted anywhere on the dash. New and Used Automotive Parts and Accessories On Sale Fm64l-e4od 4r100 Torque. This link probably gives more info than you want to read but is pretty comprehensive. The stator remains locked until the torque converter reaches its coupling phase. As long as you don’t ride around using it all the time, you should not experience any problems with it. Under 'normal' acceleration, the converter can achieve lock-up once the proper speed has been reached, depending on the gear and operating temp. All E4OD questions answered by experts. 4T65E Problem Solver Kits Precision of New Hampton Remanufactured Torque Converters; Torque Converters - High Performance Torque Converter. It may be that it's not going into overdrive until. Find the cheap E4od Transmission Problems, Find the best E4od Transmission Problems deals, Sourcing the right E4od Transmission Problems supplier can be time-consuming and difficult. Select options. (dry with converter) Case: Aluminum. More modern transmissions lockup the torque converter sooner, and keep it locked under conditions that the 4L60E would. RACER X FULL CUSTOM VALVE BODY for E4OD TRANSMISSIONS 1989-995. What color are Transtar torque converters?. Includes: - ATS Built E4OD Auto Trans - ATS 5 Star Viskus Clutch Drive Torque Converter - ATS Extra Deep Transmission Pan. 3-liter Power Stroke that has been upped in power output. any thing would help! thanks!!. You're lucky, all the forums I've been reading in my journey to solutions are loaded with problems. Have a shop verify line pressure, and provided no valves in the TCC hydraulic circuit are worn, replace the torque converter. E4OD Torque Converters, 4R100 Torque Converters - The staff has been amazing to work with and takes care of their customers better than any other company I have ever dealt with. Heavy Duty Double Kiln Bronzed Billet Torque Converter For E4OD And 4R100 Transmissions The transmission is also fitted with our "Heavy Duty Double Kiln Bronzed Billet Torque Converter". Problem is twice now the truck has stalled when i put it in reverse, both times have after its gotten fairly warm. Although the 11. I played parts hanger throwing pocket change at my truck trying to "dodge" around the real problem, and accepting the fatal diagnosis. We hear a lot of questions about torque converters. There is a separate LED shown in the schematic that will indicate whenever the torque converter is locked ( light on ) or unlocked ( light off ) whether by the ECM or the TC Lockup switch. You see, when I accelerate at a slight amount without going so far to cause the transmission to kick out of O/D - I get an intermittent jumpiness which is actually the lock-up become disengaged and then engaged randomly. A regular converter in an automatic transmission is made to slip at idle so that the car doesn't move. Heat is a GM overdrive's worst enemy and a GM overdrive's fluid temperature runs high when not in lock-up. With the vehicle at operating temperature, confirm the condition described in the Introduction. It generally occurs at part throttle and light acceleration, between 15 and 50 miles per hour, just before the shift to one of the top gears where the converter reaches "lock-up. BTW, the shudder you are getting is the clutch in the torque converter. At this point there is no more torque multiplication and the stator is allowed to spin freely. If you give it throttle ,even just a little,the torque converter will lock up and engine rpm will fall. In combination with ATE’s huge investment in the latest of machinery, ATE is able to remanufacture torque converters to better than OEM standards as well as being better than the original torque converter unit. Unlike the E4OD, these units have a dedicated output shaft speed sensor located towards the rear of the transmission. 3 non powerstroke. Lock up is a feature introduced in about 1982 with the advent of the T-700R4 and T-200-C General motors transmissions. BD TorqLoc transmission converter lock up controller for the E4OD and 4R100. Also, Lubegard Shudder Fix will at least fix this for awhile. Learn more about Chevrolet Blazer at the Edmunds. The result of all of this is a transmission that will repetitively jump between torque converter lockup and unlock, excessive heat and excessive fuel consumption. com FREE DELIVERY possible on eligible purchases. These converters are not a “one size fits all”, they have a custom designed stator, pump and diameter made specifically for your application. 85,500 milage my issue is the torque converter will unlock at random at about 70 mph. I've had mixed opinions, some say I can get by with installing just the torque converter, others say spend the big bucks and rebuild the trans. We tested the Banks Billet Torque Converter in a Ford F-250 Super Duty with a 7. Installing/using this switch is hard on your transmission and your torque converter, BUT so is racing in general. Torque converter selection boils down to how you intend to drive your Mustang and your engine’s torque band. SRL4R3380: 2800 Stall RPM, Single Clutch SRL4R3082: 3000 Stall RPM, Single Clutch. net is the home of the Transmission Rebuilders Network offering the leading transmission rebuilder forum in the transmission industry. Had Dodge scan the truck, checked PCM, TCM and lock up sensor. Do this bulletin first to apply the. Quick View. Torque Converter Tech Videos; Quote a Custom-Built Torque Converter; Frequently Asked Questions; Tech Documents; CAD/CAM - Product Development & Design; Data Acquisition & Testing; Diagnosing Acquired Data; Torque Converter Definitions, Parts & Comparisons. 62560; 4R100, P. * I can't delete my previous post I don't know why this site will not allow this, but oh well. DTC Detection Conditions Trouble Areas P2757 Lock-up does not occur when driving in the lock-up range (normal driving at 50 mph [80 km/h]), or lock-up remains ON in the lock-up OFF range. i dont even know if im going to waste time and money on getting an adaptation done at the dealer. 700r4 and lock up problems revisited to unlock then lock up converter work like the manual type application of a brake pedal. I was told today the lockup function is "on" and the torque converter is "broken. A transmission control unit or TCU is a device that controls modern electronic automatic transmissions. TSB 17-025 "Judder from the Torque Converter Lock-Up Clutch" and TSB 17-026 "Judder from the Torque Converter Lock-Up Clutch After Software Update" Symptom: A judder between 20-60 MPH that feels like a bad torque converter. A lockup torque converter has all the torque-multiplying benefits of a non-lockup converter, but has the added benefit of clutch lockup once the torque converter reaches coupling speed. If the torque converter is locked up into drive and the neutral is not releasing the transmission, you do most likely have a problem with the torque converter clutch. As a result, people will end up paying thousands of dollars just to replace their transmission or have it rebuilt. 3-liter Power Stroke that has been upped in power output. Thus, it is really important to have a proper diagnosis. The most common indicator of a lock up torque converter problem is a feeling of running over a washboard in the road at 40 to 55 miles. There are no warning lights and no other symptoms. The 1978 Chrysler, Plymouth, and Dodge cars went “back to the future,” to find an efficiency measure that would soon become standard on every car in the industry — the lockup torque converter. You can diagnose problems with your torque converters on many older transmissions by conducting a stall-speed test. There was a recall on this model earlier this year/late last year for a shudder and it was supposed to just be a computer program fix. Lock-up operation, however, is prohibited when A/T fluid temperature is too low. A torque converter shudder is a brief shake or shudder in the vehicle when internal clutches apply inside the torque converter. “Congratulations! Another NHRA record. The torque convertor clutch is what lockups the convertor. Torque Converter Installation Tips Clean the crankshaft pilot hole. I don't know but I have a 1994 E 350 with a bad converter my trans was acting up so I took it up to the trans shop they put it on the computer and told me the trans was fine that it was the torque converter now you have me wondering if this is a common problem with these thing I haven't changed it yet now I'm wondering if it's worth the money( for those of you that said or think driving hard. Have E4OD trans where the torque converter "locks-up" prematurely and will not "unlock" under load without quick throttle action. 96 I ran during the Test and Tune prior to the event! Thank again for an absolutely AWESOME converter!" » Marka Gallina, Gallina Racing. Most torque converters multiply torque in a 2. Re: torque converter lock-upHELP!!! Before I go and see another mechanic I'd like to first know what sensors, valves and driving conditions cause TC lockup in my '91 E4OD. The LED light in the switch only indicates when the override is turned on, not when the torque converter is locked. Odd sounds. Some info regarding Honda Accord Torque Converter Clutch Solenoid Circuit 98 catalytic problems: 97 civic: E4od lockup: Get more info about converter torque. The first thing that you need to know is the type of lockup system you are working with. Ok here goes guys new to this forum. Hopefully that explains it. 3L Diesel, Extended Studs or Oval Pads / Dia 12. Before you diagnose any of the problems, understanding the working of lock up torque converters is necessary. What color are Transtar torque converters?. However, Baumann Engineering can provide a custom-built torque converter for these and most other applications. They immediately said that this was a dangerous problem that could lead to total power failure and took internal pictures of the torque converter and other aspects of transmission. OEM units are typically made with stamped metal components and the stall speed is not matched to the motor?s torque curve. First time was when i was hauling grain this summer, grossed 22k+, 90+ outside temp, and i couldn't go fast enough to get the converter locked. For more information about capturing and interpreting the data, refer to the job aid Torque Converter Clutch Shudder and Vibration and. Mine got so bad the drive shaft would ring like a bell when it shuddered. My 96 did not unlock the torque converter with the hazards and neither does my 2000 both trucks have a 7. the on-off E4OD, due to the size and position of the TCC control valve orifices. Most of the time it is a stuck Torque Converter Clutch (TCC) solenoid, but this is not the only cause of this problem. However, locating the exact match to your vehicle can be difficult and sourcing a properly functioning used E4OD Transmission may take several installation & removal attempts before getting a good one. From what I remember the converter can stay locked up while shifting. Transmission electrical diagnosis troubleshooting help on all your transmission problems or questions. Have a shop verify line pressure, and provided no valves in the TCC hydraulic circuit are worn, replace the torque converter. In the early days of lockup torque converters, they basically had the converter clutch full on, or completely released. Mechanical override: Lockup torque converters. ATSG E4OD Ford Transmission Repair Manual (E4OD Solenoid Pack - E4OD Torque Converter - E4OD Pan - E4OD Rebuilt Kit - Best Repair Book Available!) 3. These problems consist of being to loose, generating heat and complete self destruction. I think the torque converter doesn’t know to lockup or not.