Edmunds' expert review of the Used 2017 Chevrolet Camaro provides the latest look at trim-level features and specs, performance, safety, and comfort. Transfer Case Shift Concerns Colorado and Canyon Applications 6L50 Updated Pendulum Torque Converter 6L50/80/90 No Reverse After Valve Body Replacement 6L80/90 No 4th, 5th, 6th Gears, Possible DTC P0796 Burnt 2-6 Clutch Delayed Engagement, Slip, Shudder, Clutch Damage Interchange 1-2-3-4/3-5-R Drum Intermittently Neutrals on Launch 8L45/8L90. I saw that the 2017 Colorado's get this new transmission. A new transmission fluid exchange procedure and new formula of Mobil 1 Synthetic LV ATF HP transmission fluid is being released to address torque converter shudder on 8L45 and 8L90 applications. That's pathetic. Has GM addressed the torque related problems with its 8l90 update?. 031 75005 Bushing, 125 Converter Hub 1980-81 1 64032 64031 8631907 031 75005A Bushing, 125C Converter Hub 1982-Up 1 64032B 64031B 8637905 032 65002 Bushing, 125/125C Converter Reactor/Drive Sprocket Support, 1980-Up 1 54036A 54036A 8628915. BD 48RE Pressure Controller Prevent torque converter shudder and clutch slippage Prevent torque converter shudder, clutch slippage and transmission shuttle shifting on aFe Transmission Pan aFe Power Releases - Transmission Pan for the 01-12 GM Duramax V8-6. If the concern is gone with the torque converter clutch disabled (Mode B, TCC Open) and is gone when the torque converter clutch enabled (Mode C, TCC Locked), the vibration root cause is TCC shudder and the fluid flush procedure corrective action. I have started noticing what I believe is called "shudder" from my tranny under. C7 General Discussion - 8 Speed shudder fix from GM - Good morning. Choose from a variety of stall speeds to help you put maximum low-end power to the pavement. Most times I'd just take this truck to the dealer and let them sort it out, but as it's out of warranty, this is not something I'd like to pay >$600 to repair (this price was quoted to me for the flush and filter change). 9 2 bottles (20 ounces) cadillac ats 16-19 8l45/8l90 w/ cooler 11. released to address torque converter clutch (TCC) shudder condi- tions on 8L45 and 8L90 8-speed automatic transmissions (RPOs M5N, M5T, M5U, M5X) in some 2015-2017 Escalade, Yukon;. The 8L90 transmission can also be manually shifted via steering wheel paddles. Shudder Symptoms. The torque converter apply strategy goes from Off, to Partial Apply to Full Apply. So, to get us off the line a little quicker, we hit up the guys at ATI for a looser converter for our 8L90. “Do NOT replace the torque converter or transmission assembly for this condition. The problem is believed to center on the transmission, torque converter or both. Yes, if you haven't heard by now, the forthcoming Z06 will have a torque-converter-packing, planetary automatic transmission option. Note: If the shudder is only present in 4 cylinder mode and TCC slip is 10 rpm or less deem the shudder concern normal characteristic of AFM. How To Properly Install A Torque Converter - Episode 7. The number one most common problem is related to the vehicle's power train (124 problems). GM 8L45 and 8L90 automatic transmissions allegedly shudder, jerk, hesitate and shift hard. in 2016, a new fluid specification for a "Dexron Approved" Mobil 1 Synthetic LV ATF HP was introduced in a GM Technical Service Bulletin 16-NA-175. I have a GM designed 8L90 in my 2016 Corvette Z06 and although mine hasn't had the torque converter shudder issue I am sure it is only a matter of time and GM is on the third magic fluid since this transmission was released in 2015. Refer to the following bulletins for additional information:. Mobil 1 Synthetic LV ATF HP is a high performance synthetic formulation that delivers extended transmission life with its improved oxidation and thermal stability. If the slip speed is beyond 10 rpm or there is shudder during TCC apply the torque converter should be replaced following the instructions published in Service Information (SI). This preliminary information communication provides information to the technician to refer to bulletin 16-na-175 to aid in addressing torque converter clutch shudder concerns. It doesn't matter if you have a manual or automatic transmission; they both do the same thing. Not only do they recognize the torque converter shudder, but they also released Service Bulletin #PIP3366C which refers to a grinding or ratcheting noise when shifting into Park. 9 2 bottles. 2L with 8-Speed transmission): DEXRON®-HP Automatic Transmission Fluid (GM Part No. Most times I'd just take this truck to the dealer and let them sort it out, but as it's out of warranty, this is not something I'd like to pay >$600 to repair (this price was quoted to me for the flush and filter change). 8l90 transmission price keyword after analyzing the system lists the list of keywords related and the list of 15389 Torque Converter Clutch (TCC) Shudder – 2015. Research the yearly spend on gasoline for every Chevrolet in our database. Begin logging and monitor the TCC line pressure. Car problem(s) with the 2015 CHEVROLET CORVETTE. If the slip speed is beyond 10 rpm or there is shudder during TCC apply the torque converter should be replaced following the instructions published in Service Information (SI). on torque capacity. technician are advised to u. The procedure and new transmission fluid is being rolled out regionally due to the limited availability of both the new transmission fluid and tool kit. Torque converter shudder and diagnosis Many people describe this feeling as running over a rough spot in the road. Very often the problem is a torque converter shudder. Shudder Symptoms. If the concern is still present with the torque converter clutch disabled (Mode B) or with the torque converter clutch enabled (Mode C, TCC slip speed at zero), the root cause of vibration is NOT shudder. Check out how it compares to the six-speed automatic. The shudder condition experienced on the 8-speed transmission in most cases is torque converter clutch (TCC) shudder. According to TSB (Technical Service Bulletin) 18-NA-355, the latest update addresses "torque converter clutch (TCC) shudder conditions on 8L45 and 8L90" eight-speed automatic transmissions. To confirm TCC shudder, the vibration concern must be created in normal operation (Mode A) of the test. The bulletin addresses shake or shudder complaints on light acceleration between 25- 80 mph (40-128 km/h). Transfer Case Shift Concerns Colorado and Canyon Applications 6L50 Updated Pendulum Torque Converter 6L50/80/90 No Reverse After Valve Body Replacement 6L80/90 No 4th, 5th, 6th Gears, Possible DTC P0796 Burnt 2-6 Clutch Delayed Engagement, Slip, Shudder, Clutch Damage Interchange 1-2-3-4/3-5-R Drum Intermittently Neutrals on Launch 8L45/8L90. I just posted 19. GMC Canyon owners have reported 5 problems related to automatic transmission torque converter (under the power train category). Find Mobil 1 Synthetic LV ATF HP 124715 and get Free Shipping on Orders Over $99 at Summit Racing! Mobil 1 Synthetic LV ATF HP is an advanced full synthetic automatic transmission fluid formulated from synthetic base oils and an advanced additive system. We have some of the best torque converter builders and machinists in the industry. Checking out GM TechLink this morning I came across the following article anouncing a fix for the Corvette's 8 Speed Auto Shudder. April 2015, Volume 17, No. 8l90 transmission price keyword after analyzing the system lists the list of keywords related and the list of 15389 Torque Converter Clutch (TCC) Shudder – 2015. I drive a 2011 GMC Sierra 2500HD ex-cab 2wheel drive with a 6. Specializing in vehicles equipped with the 6L80/90 transmission, the 8L90 transmission, and the 6T70 transmission. Technical Service Bulletin – Transmission Fluid Guide. Shudder Symptoms. 8L90 Torque Converter Tech Resources View all Torque Converters. TRANNY LUBEGARD IF YOU NEED MORE ONLY ONE BOTTLE OR MORE THAN THREE PLEASE SEE OUR STORE WE SELL THEM INDIVIDUALLY, 6 PACKS OR A CASE OF 12. 00 - Includes New 6L80E Transmission, Free Shipping (within mainland USA), 3 Year Nationwide Warranty, HD Torque Converter. 2 with 8 speed just started the torque converter shudder at 35,000 miles. Dexron LV ATF HP is made by Mobil and is marketed as Mobil 1 LV ATF HP. The article details what shudder is, how to test for it, the cause and the prescribed fix. We specialize in all kinds of swaps, and provide quality Made-in-America precision maching. My 2016 Silverado 6. Is there something that can be adjusted to try to tune out the shudder or slipping or whatever might be going on?. It doesn't matter if you have a manual or automatic transmission; they both do the same thing. As expected, the undersized and high spinning torque converter issues manifest themselves in a shudder and jerky motion the car starts demonstrating, accompanied by fluctuating engine rpms. TCRS Torque Converter balancer now with automatic weight indexing, runout compensa-tion mode, push buttom polishing and better accuracy and repeatability than ever before TCRS Torque Converter Testing and Rebuilding Systems Excellent profit center for transmission repair shops or stand-alone. Truck is black bear tuned so before taking it in I reflashed back to stock and problem is even worse now, possibly because the reflash put trans back in to learn mode. PATC performance torque converters are manufactured in-house at our state of the art torque converter shop. Owners of several General Motors vehicles in the U. The 2014 Camaro has ranked the highest in the Midsize Sporty Car segment in J. Replacing the torque converter on later applications has been found to be ineffective so do not expect to address your shudder on the majority of the vehicles you will work on with a torque converter replacement as the condition will likely return. Hello all! First post here! What brought me here was the 8l90 torque converter lockup shudder issue. This will increase the stall speed approximately 1000 rpm over stock, to around 3000-3200 rpm. I have tuned it out. Tranny's Instant Shudder Fix is an inexpensive alternative to other instant shudder fixes. Has GM addressed the torque related problems with its 8l90 update?. Car problem(s) with the 2015 CHEVROLET CORVETTE. The second most common problem is related to the vehicle's transmission solenoid (16 problems). One can watch the TCC line pressure slowly begin to 'leak' down. Replacing the torque converter on later applications has been found to be ineffective so do not expect to address your shudder on the majority of the vehicles you will work on with a torque converter replacement as the condition will likely return. Replacing the torque converter on later applications has been found to be ineffective so do not expect to address your shudder on the majority of the vehicles you will work on with a torque converter replacement as the condition will likely return. According to TSB (Technical Service Bulletin) 18-NA-355, the latest update addresses "torque converter clutch (TCC) shudder conditions on 8L45 and 8L90" eight-speed automatic transmissions, RPO codes M5N, M5T, M5U, and M5X. How is Chevy's new 8-Speed 8L45 M5N transmission? I know nothing about engines. Specifications [ edit ]. Choose Transmission, Diameter, Stall Speed, and Disks. Find Mobil 1 Synthetic LV ATF HP 124715 and get Free Shipping on Orders Over $99 at Summit Racing! Mobil 1 Synthetic LV ATF HP is an advanced full synthetic automatic transmission fluid formulated from synthetic base oils and an advanced additive system. What is Torque Converter Shudder? Driving between 25 and 80 MPH, there is a sudden shudder in the vehicle. • The gear sets then transfer torque and sends it to the output shaft. The procedure and new transmission fluid is being rolled out regionally due to the limited availability of both the new transmission fluid and tool kit. Specifications. [torque converter clutch] shudder. 1 Automatic Transmission Fluid (ATF): is requirement of a transmission, such as valve operation, brake band friction and the torque converter as well as gear lubrication for synchronized self-shifting or automatic transmissions. The transmission on a vehicle has a number of different sensors that affect the way it performs, including the speed sensor and a sensor that monitors the transmission temperature to help prevent. See 2018 Chevrolet Camaro technical service bulletins (TSBs) at TrueDelta, organized by model year and problem area. As expected, the undersized and high spinning torque converter issues manifest themselves in a shudder and jerky motion the car starts demonstrating, accompanied by fluctuating engine rpms. I have tuned it out. It sites possible causes for both 2WD and 4WD applications as a calibration VCM operation combined with the action of the lock up torque converter. Customers can also contact us for a transmission quote via our Got Transmissions Quote Engine, but to be sure you get the best pricing, and the EXACT transmission you need. GM's 8-speed had issues with torque converter shudder that led to TSB's being issued that recommend. Used Transmissions. 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. However, in some cases, the shudder, fish bite, chuggle, surge or vibration is caused by something other than the torque converter clutch. http://johnzacharyphotography. I just got my Camaro back from the shop after they fixed my torque converter. It's available in a two ounce application tube and is compatible with conventional or synthetic automatic transmission fluids. 2 with the 8 speed had the same shudder between 50-60 mph, and a new torque converter fixed it. 5 ltr 4 cylinder mated to a 6L45 with this exact unrepairable torque converter shudder design defect. I took delivery of a 2016 Sierra Denali (5. I drive a 2011 GMC Sierra 2500HD ex-cab 2wheel drive with a 6. To confirm TCC shudder, the vibration concern must be created in normal operation (Mode A) of the test. I have tuned it out. This episode covers the fluid level checking procedure for the Camaro, Corvette, Cadillac 6, 8, and 10 Speed Automatic Transmissions without a dipstick. Re: Torque Converter Shudder Aug 30 2019, 7:25pm Well, they used a GDS2 for the TC shudder and found none but the tech did notice delayed engagement when coming to a stop. The problem occurs because the lock-up clutches in the torque converter fail to lock completely during the change from V8 to V4 mode. 1MPG on 3500 mile road trip and do not believe my vehicle is experiencing this. A revised service procedure will be released in Q1 of 2019. A new transmission fluid exchange procedure and new formula of Mobil 1 Synthetic LV ATF HP transmission fluid is being released to address torque converter shudder on 8L45 and 8L90 applications. The number one most common problem is related to the vehicle's power train (124 problems). The exact speed doesn't matter much since the problem and replicated at speeds from 50 to 90 mph. After all just read the torque converter poll upwards of 45% of the 8 speed transmissions are having issues. The most common reason for a vehicle running a GM 5L40-E transmission to end up in a transmission repair shop is torque converter failure. Torque converter shudder and diagnosis Many people describe this feeling as running over a rough spot in the road. Used Transmissions. In the near future, I foresee many more 8L45/8L90 transmissions showing up. GM 8L90 and 8L45 transmission problems have caused a proposed class action lawsuit that alleges the 8-speed transmissions are defective in the following vehicles in California, Illinois, Michigan. Castrol Transmax Dexron® -VI Mercon® LV | Castrol. 8L90 Triple Clutch 10-1/2 Inch Billet Torque Converter 8L90 Stall Converter in many RPM’s Available. Engineer reviews have proven that replacing the torque converter does not provide a long-term solution to TCC [torque converter clutch] shudder. Transfer Case Shift Concerns Colorado and Canyon Applications 6L50 Updated Pendulum Torque Converter 6L50/80/90 No Reverse After Valve Body Replacement 6L80/90 No 4th, 5th, 6th Gears, Possible DTC P0796 Burnt 2-6 Clutch Delayed Engagement, Slip, Shudder, Clutch Damage Interchange 1-2-3-4/3-5-R Drum Intermittently Neutrals on Launch 8L45/8L90. General Motors has issued several t echnical service bulletins pertaining to torque converter clutch shudder issues in two of their 8-Speed transmis - sions; 8L45 & the 8L90. No shuddering yet at 13,000 but chances are good that it will. The torque converter turns the engine's rotational speed into a twisting force to propel your vehicle, and delivers additional gear ratio when driving at highway speeds. Converters are then pressure tested and dynamically balanced prior to certification and ready for use. It effectively eliminates chronic torque converter shudder and clutch chatter. "Do NOT replace the torque converter or transmission assembly for this condition. Don’t stall—launch your performance to the next level with top-quality torque converters!. Many of our customers with the 8 speed have requested the firm and efficient shifting patterns that truck owners have enjoyed on the 6 speed applications and now we’ve. 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. The 8L90-E 8 speed transmission is made to unlock the power of the LT1 engine. This rebuild was done with a trans go shift kit and new converter. The SPL remains in its early stages of the season, but there is a growing concern that Hearts are already set for mid-table mediocrity this campaign. The 8L90 is the subject of a class-action lawsuit filed in December 2018 that alleges the transmission suffers from persistent "shudder" issues and that GM has known about the problems since its introduction and has failed to provide a solution, instead choosing to wait until the unit is out of warranty. The exact speed doesn't matter much since the problem and replicated at speeds from 50 to 90 mph. Vibrations not identified as TCC Shudder should be further investigated using the Vehicle Vibration Diagnosis in SI as a starting point. The 8L90 is the subject of a class-action lawsuit filed in December 2018 that alleges the transmission suffers from persistent "shudder" issues and that GM has known about the problems since its introduction and has failed to provide a solution, instead choosing to wait until the unit is out of warranty. Lawsuit over GM's Faulty Eight Speed Transmission General Motors (GM) is facing a new class action lawsuit because of its eight speed automatic transmission. The bulletin addresses shake or shudder complaints on light acceleration between 25- 80 mph (40-128 km/h). Honestly every 8 speed with a decent chunk of miles on it I've driven has had the shutter fron the torque converter. [torque converter clutch] shudder. Technical Service Bulletin – Transmission Fluid Guide. TRANNY LUBEGARD IF YOU NEED MORE ONLY ONE BOTTLE OR MORE THAN THREE PLEASE SEE OUR STORE WE SELL THEM INDIVIDUALLY, 6 PACKS OR A CASE OF 12. A new transmission fluid exchange procedure and new formula of Mobil 1 Synthetic LV ATF HP transmission fluid is being released to address torque converter shudder on 8L45 and 8L90 applications. input, and engine torque 200-375 Nm. Custom Built Vigilante GM Torque Converters For: Impala SS / Turbo Buick / Camaro & Firebird LS1 / Corvette / GTO / Pontiac G8 / Cadillac CTS-V / Trailblazer / 5th Generation Camaro / Silverado Truck / And many more!. You are not logged in. GM Class Action Lawsuit Filed Over Transmission Problems That May Cause "Shaking, Jerking" May 22, 2019 Written by: Russell Maas 10 Comments; General Motors faces a class action lawsuit. Truck is black bear tuned so before taking it in I reflashed back to stock and problem is even worse now, possibly because the reflash put trans back in to learn mode. Transmission Fluid Guide – NO. It is approved and endorsed for use to correct problems associated with automatic transmissions, including shudder problems, by OEMs. The revision was to help correct a torque converter clutch shudder in the GM 8L90, 8L80, and 8L45 automatic transmissions. Torque converter shudder is the most common issue with this transmission. Checking out GM TechLink this morning I came across the following article anouncing a fix for the Corvette's 8 Speed Auto Shudder. Important: Do NOT replace the torque converter or transmission assembly for this condition. The revision was to help correct a torque converter clutch shudder in the GM 8L90, 8L80, and 8L45 automatic transmissions. Re: Torque Converter Shudder Aug 30 2019, 7:25pm Well, they used a GDS2 for the TC shudder and found none but the tech did notice delayed engagement when coming to a stop. 6 and Chrysler NAG-1 Transmission are known to have TCC Lockup problems and Torque Converter Shudder Problems. When selecting a gear using the transmission, it violently shakes, jerks, or goes into a "hard shift. A Transmissions exclusively offers only domestic Automatic Transmissions. MADE IN THE USA !! THIS PRODUCT WORKS !! MOST OEM CAR MANUFACTUERSPUT THIS PRODUCT IN FROM THE FACTORY IF YOU HAVE CHANGED THE TRANSMISSION FLUID YOU HAVE LOST THIS PRODUCT AND NEED TO REPLACE IT BACK IN THE FLUID. In Service Bulletin #PIE0405A, the automaker acknowledges that customers experience a shake or shudder while driving with the 8L90 or 8L45 transmission. Pressure test port: passenger's side behind bell housing. This will increase the stall speed approximately 1000 rpm over stock, to around 3000-3200 rpm. The problem is believed to center on the transmission, torque converter or both. The SPL remains in its early stages of the season, but there is a growing concern that Hearts are already set for mid-table mediocrity this campaign. My personal experience is that the TCC shudder issue goes back at least as far as the 4L80E in the mid-'90s. Particularly, the saving TSB fixes “torque converter clutch (TCC) shudder conditions” for the both problematic units. In Service Bulletin #PIE0405A, the automaker acknowledges that customers experience a shake or shudder while driving with the 8L90 or 8L45 transmission. Find Mobil 1 Synthetic LV ATF HP 124715 and get Free Shipping on Orders Over $99 at Summit Racing! Mobil 1 Synthetic LV ATF HP is an advanced full synthetic automatic transmission fluid formulated from synthetic base oils and an advanced additive system. I have tuned it out. Hello all! First post here! What brought me here was the 8l90 torque converter lockup shudder issue. Technical Service Bulletin – Transmission Fluid Guide. this sounds to me like its the torque converter shudder (there's a name for it) and I think this a common thing (not that its a good thing), I feel it on most FCA cars, from Dodge Caravans to Rams especially with the non-ZF transmissions. Our PerfectFit™ Conversion Kits come with all the parts neccesary to convert your Buick, Chevrolet, GMC, Oldsmobile, Pontiac and other General Motors cars, trucks and street rods into a modern overdrive 5 or 6-speed or 4-speed automatic. The problem is believed to center on the transmission, torque converter or both. Checking out GM TechLink this morning I came across the following article anouncing a fix for the Corvette's 8 Speed Auto Shudder. Shudder/Vibration easily felt in steering column about a week ago, has gotten worse and more often. At Edmunds we drive every car we review. For the first gear operation, the GM 8L90 and ZF 8HP are therefore kinematic equivalents, but there is one very significant difference, the GM design places the brakes right next to the output gear set. The 8L90-E 8 speed transmission is made to unlock the power of the LT1 engine. It's available in a two ounce application tube and is compatible with conventional or synthetic automatic transmission fluids. This 2017 technical seminar from Automatic Transmission Rebuilders Association (ATRA) is a problem solving program for units with unusual problems that aren’t easy to fix. 2017 Chevrolet Silverado Powertrain Technical Service Bulletins or torque converter. Shudder/Vibration easily felt in steering column about a week ago, has gotten worse and more often. GM E platform. Affected vehicles include Chevrolet, GMC and Cadillac vehicles, as follows. At first it was between 45-55 mph. To confirm TCC shudder, the vibration concern must be created in normal operation (Mode A) of the test. The SPL remains in its early stages of the season, but there is a growing concern that Hearts are already set for mid-table mediocrity this campaign. 00 - Includes New 6L80E Transmission, Free Shipping (within mainland USA), 3 Year Nationwide Warranty, HD Torque Converter. But there are a ton of people with scanners that see this. Just maybe you are lucky enough not to have a defective truck. Vibrations not identified as shudder should be further investigated using the "Vehicle Vibration Diagnosis in SI as a starting point. com torque converter misfire,afm disturbances or torque converter shudder. I wouldn't want to be the test bed for the new 10 speed. Many of our customers with the 8 speed have requested the firm and efficient shifting patterns that truck owners have enjoyed on the 6 speed applications and now we’ve. 0 gas engine and a six speed 6L90 automatic transmission. BD 48RE Pressure Controller Prevent torque converter shudder and clutch slippage Prevent torque converter shudder, clutch slippage and transmission shuttle shifting on aFe Transmission Pan aFe Power Releases - Transmission Pan for the 01-12 GM Duramax V8-6. Not only do they recognize the torque converter shudder, but they also released Service Bulletin #PIP3366C which refers to a grinding or ratcheting noise when shifting into Park. 8l90 transmission price keyword after analyzing the system lists the list of keywords related and the list of 15389 Torque Converter Clutch (TCC) Shudder – 2015. The 8L90 is the subject of a class-action lawsuit filed in December 2018 that alleges the transmission suffers from persistent "shudder" issues and that GM has known about the problems since its introduction and has failed to provide a solution, instead choosing to wait until the unit is out of warranty. Specifications. Has GM addressed the torque related problems with its 8l90 update?. My buddy with 2015 6. It's just annoying and can't really hurt anything more than anything. The transmission on a vehicle has a number of different sensors that affect the way it performs, including the speed sensor and a sensor that monitors the transmission temperature to help prevent. With over 30 years of experience we can meet all your demands and exceed expectations!! Yank It & Get Off Quicker. Get proven performance and reliability from B&M, TCI, Turbo Action, Hughes Performance, ATI Performance Products, Performance Automatic, and other leading brands. Get back on the road!. This database includes information received by NHTSA from consumers either directly or as recorded by the Vehicle Safety Hotline. My dealer has been great getting me in a loaner car, so no complaints there. My personal experience is that the TCC shudder issue goes back at least as far as the 4L80E in the mid-'90s. The procedure and new transmission fluid is being rolled out regionally due to the limited availability of both the new transmission fluid and tool kit. Yes, if you haven't heard by now, the forthcoming Z06 will have a torque-converter-packing, planetary automatic transmission option. To confirm TCC shudder, the vibration concern must be created in normal operation (Mode A) of the test. 9 2 bottles. I will just be happy if GM finally comes out with a real fix for the 8L90 shudder issue; until they do my Z06 will continue to have a Range anti-AFM module plugged in to stop their idiotic cylinder deactivation system that chews up torque converter lockup clutches among its other bad habits. Ron Baker). Our Torque Converters receive all new Clutches and Steels. After all, the torque converter problems require several thousands of miles to be put in on the newest Corvettes and plenty of buyers hardly drive their newest acquisitions. com torque converter misfire,afm disturbances or torque converter shudder. But it was in 5 vehicles all less than 2 years old. We have some of the best torque converter builders and machinists in the industry. I just got my Camaro back from the shop after they fixed my torque converter. Architecture is common between the variants, and component differences are primarily related to size. Ron Baker). Most times I'd just take this truck to the dealer and let them sort it out, but as it's out of warranty, this is not something I'd like to pay >$600 to repair (this price was quoted to me for the flush and filter change). The Best Resource for Chevrolet Corvette News, Rumors, and Owner Information. See 2018 Chevrolet Camaro technical service bulletins (TSBs) at TrueDelta, organized by model year and problem area. Chevy Camaro 8L90 Transmission 2016, GM Original Equipment™ Automatic Transmission Torque Converter Dust Cover by ACDelco®. I have every right to be here same as you. claim the automaker's eight-speed automatic transmission houses a major defect. ATI just so happens to be one of the only manufacturers that currently offer a torque converter for our 2017 Camaro SS making it an easy choice. He may have been one of the first to build a hybrid 9"/11" torque converter. 00 - Includes New 6L80E Transmission, Free Shipping (within mainland USA), 3 Year Nationwide Warranty, HD Torque Converter. And it operates far smoother than a double clutch transmission, thanks to the turbine dampers in the 8L90 torque converter. TSB Number: 16-NA-175. They said I needed to replace the torque converter. The revision was to help correct a torque converter clutch shudder in the GM 8L90, 8L80, and 8L45 automatic transmissions. What is Torque Converter Shudder? Driving between 25 and 80 MPH, there is a sudden shudder in the vehicle. It's available in a two ounce application tube and is compatible with conventional or synthetic automatic transmission fluids. After all just read the torque converter poll upwards of 45% of the 8 speed transmissions are having issues. This simple guide will show you how to check your transmission fluid in just a few easy steps. (though the lawsuit only covers certain models/years equipped with 8L45 and 8L90 transmissions the torque converter design defect also exists in the 6L45 back to 2013 and 2014. The 8L90 transmission can also be manually shifted via steering wheel paddles. Tech Resources More than Great Products. Cryogenically treated parts and the works. Thus, as usual, GM is doing absolute jack shit to accommodate the owners. GM 8L90 and 8L45 transmission problems have caused a proposed class action lawsuit that alleges the 8-speed transmissions are defective in the following vehicles in California, Illinois, Michigan. Sonnax Transmission parts for GM 6L90 applications. We specialize in high performance / heavy duty converters that can be built to your specifications. The Mercedes 722. If the slip speed is beyond 10 rpm or there is shudder during TCC apply the torque converter should be replaced following the instructions published in Service Information (SI). General Motors has issued several t echnical service bulletins pertaining to torque converter clutch shudder issues in two of their 8-Speed transmis - sions; 8L45 & the 8L90. You don't buy them for gas mileage. Best Darn Torque Converters in the World! Acura Allison AMC Audi BMW Buick Cadillac Chevrolet Chrysler Daewoo Datsun Dodge Eagle Ford Geo GMC Honda Hyundai Infiniti International Harvester Isuzu Jaguar Jeep Kia Land Rover Lexus Lincoln Mazda Mercedes Mercury Mini Mitsubishi Nissan Oldsmobile Peugeot Plymouth Pontiac Porsche Range Rover Renault. State lemon laws and the federal Magnuson-Moss Warranty Act protect consumers who inadvertently purchase defective vehicles. Checking out GM TechLink this morning I came across the following article anouncing a fix for the Corvette's 8 Speed Auto Shudder. Whether you love them or hate them, automatic-equipped machines are the most common, and one area that's sure to create confusion is the torque converter selection process, choosing the wrong. Architecture is common between the variants, and component differences are primarily related to size. A screen print from GDS 2 or the PicoScope showing the TCC shudder event must be attached to the Repair Order hard copy. That's pathetic. I use a Range AFM module plugged into the OBD-II port of my 2016 Corvette Z06 to prevent the engine from going into four cylinder mode which is what chews up the torque converter lockup clutch in the 8L90 transmission creating shudder at highway speed. Dexron LV ATF HP is made by Mobil and is marketed as Mobil 1 LV ATF HP. You will have to top the transmission off with fluid before operating. The 2014 Camaro has ranked the highest in the Midsize Sporty Car segment in J. It is the #1 shudder fix used by professionals and provides four times the wear than regular ATF. In the near future, I foresee many more 8L45/8L90 transmissions showing up. The exact speed doesn't matter much since the problem and replicated at speeds from 50 to 90 mph. this sounds to me like its the torque converter shudder (there's a name for it) and I think this a common thing (not that its a good thing), I feel it on most FCA cars, from Dodge Caravans to Rams especially with the non-ZF transmissions. 2012 cadillac cts torque convertor shudder. Vibrations not identified as TCC Shudder should be further investigated using the Vehicle Vibration Diagnosis in SI as a starting point. Check out how it compares to the six-speed automatic. We are now seeing oppor R & R Tech: Picking Up Bad Vibrations - Transmission Digest. Since we started using Dexron HP transmission fluid in March of 2017 both in production and for service, we believe we have basically eliminated the shudder. According to TSB (Technical Service Bulletin) 18-NA-355, the latest update addresses "torque converter clutch (TCC) shudder conditions on 8L45 and 8L90" eight-speed automatic transmissions. 2 with 8L90. Replacing the torque converter on later applications has been found to be ineffective so do not expect to address your shudder on the majority of the vehicles you will work on with a torque converter replacement as the condition will likely return. It's just annoying and can't really hurt anything more than anything. It almost feels like running over a rough spot in the road or a cattle guard. If you take care of your Ford truck's transmission, your Ford truck will take care of you! This article applies to the Ford F-150 (2004-2014) and the F-250, F-350 Super Duty (2005-2014). It's dubbed the Hydra-Matic 8L90 and it's all GM, baby. HP Series Billet Stator Torque Converter Converter Diameter - 258mm This is a modified factory converter with billet stator. The torque converter is a fluid turbine drive and - like those on its predecessor transmissions, the TH350C, 700R4, 4L60, and 4L80E - features a lock-up pressure plate for direct mechanically coupled driving from the engine crank. The most common reason for a vehicle running a GM 5L40-E transmission to end up in a transmission repair shop is torque converter failure. com is a website designed to answer all your technical questions involved with Impala tuning, Camaro Tuning, CTS-V Tuning, Corvette Tuning, G8 Tuning, Escalade Tuning, and Truck Tuning. 1MPG on 3500 mile road trip and do not believe my vehicle is experiencing this. According to the 83-page lawsuit, the GM 8L90 and 8L45 transmissions found in General Motors vehicles made between 2015 and 2018 are prone to manifesting a significant "shake, shudder, jerk, clunk or 'hard shift'" when a driver accelerates and the transmission changes gears. TSB Number: 16-NA-175. Since we started using Dexron HP transmission fluid in March of 2017 both in production and for service, we believe we have basically eliminated the shudder. We recommend using our full synthetic ATF or any popular brand full synthetic ATF. How is Chevy's new 8-Speed 8L45 M5N transmission? I know nothing about engines. It had a shudder on lock up that feels like drive over "road hazard ahead lines" we had the 2nd converter in before tearing the. 2017 CHEVROLET COLORADO TSBs (484) torque converter information from the field on vehicles that have the condition of a torque converter shudder. 2016-2018 is what I was told. I wouldn't want to be the test bed for the new 10 speed. Castrol Transmax Dexron® -VI Mercon® LV | Castrol. This rebuild was done with a trans go shift kit and new converter. Used Transmissions. We have some of the best torque converter builders and machinists in the industry. The shift solenoids control Figure 1 the torque converter lockup valves (solenoids A and B) and they shuttle October 2017 issue of GEARS for an There are six, pulse width modu-shift valves (solenoids C, D, and E), overview of how the Acura DCT-8 lated, linear solenoids that control the which direct pressure to the appropri- is constructed. in 2016, a new fluid specification for a "Dexron Approved" Mobil 1 Synthetic LV ATF HP was introduced in a GM Technical Service Bulletin 16-NA-175. Architecture is common between the variants, and component differences are primarily related to size. 9 pumps: Early units had abushing in the front pump; in laterunits, the bushing was replacedwith a bearing. Impeller Hub GM-90-83G. Category: 103700 POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER Summary: This Preliminary Information communication provides information to the technician on the step to diagnose and repair the vehicles that may have a shake or shudder during light throttle acceleration, between 30 and 65 miles per hour steady s. Whether you love them or hate them, automatic-equipped machines are the most common, and one area that's sure to create confusion is the torque converter selection process, choosing the wrong. Affected vehicles include Chevrolet, GMC and Cadillac vehicles, as follows. GM Stuffs Hydra-Matic 8L90 With Technology. The number one Street/Strip Converter Company in the industry. Superchips is thrilled to announce that the transmission tuning is now supported on the Flashpaq for 2015-2016 GMC and Chevrolet trucks equipped with the 8 speed transmission. Certain Chevrolet, Cadillac and GMC models built between 2015 and 2019 may have a defect in their 8-speed transmissions, according to a class-action lawsuit posted to ClassAction. HP Series Billet Stator Torque Converter Converter Diameter - 258mm This is a modified factory converter with billet stator. 2-liter V8/eight-speed combo is good for a 0-60 time of 3. All have service bulletins related to them. Complaints. That's pathetic. List of 2016 CHEVROLET SUBURBAN Factory Technical Service Bulletin - TSB | AutoCodes. As a starting point for diagnosing all 8L45/8L90 transmission shift conditions, check for DTCs in all modules and address the causes for setting the DTCs. Awesome choice for the late model 8L90 equiped GM vehicles looking to maximize N/A performance. The article details what shudder is, how to test for it, the cause and the prescribed fix. Automatic transmission fluid (ATF), also known as transmission fluid or tranny fluid (), is the fluid used in vehicles with self-shifting or automatic transmissions. It's available in a two ounce application tube and is compatible with conventional or synthetic automatic transmission fluids. Engineer reviews have proven that replacing the torque converter does not provide a long- term solution to TCC shudder. Note: If the shudder is only present in 4 cylinder mode and TCC slip is 10 rpm or less deem the shudder concern normal characteristic of AFM. Since we started using Dexron HP transmission fluid in March of 2017 both in production and for service, we believe we have basically eliminated the shudder.