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1. Hard Shifting. One of the biggest complaints that some people have had about the 2020 Silverado thus far is that it doesn't always shift smoothly. One upset 2020 Silverado owner took to VehicleHistory.com to complain about how their transmission shift was "rough.".17 posts · Joined 2015. #11 · Mar 16, 2022. I have a 2020 Traverse and noticed the shudder started last year. I started after I moved from North Dakota to Oregon pulling a 12’ cargo trailer. I don’t think the trailer was over 5000 lbs but I did go up and down several mountain passes.Jan 28, 2016 · This is a five time concentrated friction modifier formulated specifically for eliminating transmission shudder problems instantly. In order to use it, the contents should be emptied directly into the ATF (automatic transmission fluid) via Filter Tube and then drive normally. The results will be immediate. instant shudder fixx is compatible ... Lubegard 19610 Instant Shudder Fixx, 2 oz. Packaged in a uniquely engineered two ounce application tube, LUBEGARD's Instant Shudder Fixx is compatible with conventional or synthetic automatic transmission fluids. This formulation of friction modifiers made of synthetics and synthetic esters is concentrated five times! For use in …The truck has a 6 inch lift and 35x12.5x20's. So what i've done is tune the TCC in first 4 gears to not engage. Shutter gone. However in 5th and 6th gear I still have shutter. So I've been trying to go into the Apply Ramp and multiply the table by 1.4. Do you guys know anyway to fix this shutter other than replacing the torque converter.There is a class action lawsuit for the 8L45 and 8L90 GM transmissions due to the torque converter shudder. The transmissions were used in the following vehicles: 2015-2019 Chevrolet Silverado. 2015-2019 GMC Sierra. 2017-2019 Chevrolet Colorado. 2017-2019 GMC Canyon.A shake and/or shudder during light throttle acceleration between 25 and 80 mph (40 and 128 km/h) steady state driving when transmission is not actively shifting gears. A shudder feeling that may be described as driving over rumble strips or rough pavement. For 2015-2016 vehicles, shudder feeling is evident in both Drive and M7 mode.4L60E torque convertor shudder. I have a 1993 Suburban, 1/2 ton 4WD with the 4L60E transmission. In 4th gear, overdrive, under load the transmission will shudder. If you press the brake pedal lightly or shift out of overdrive the shudder will quit. Other than that the transmission works fine, I don't notice any slipping.This is a guide to fixing the "shudder" problem in the 2016 Camaro. We have heard that this may not be a permanent fix, so we may have to do this process ov...Lubegard vs shudder-Round 1. #73 & others - When I spoke to Lubegard a week or so ago, they stated that the "shudder fix" was a quick & temporary solution. Their statement regarding "Platinum" was that it was permanent. For my situation their recommendation was using the Platinum.Jan 25, 2021 · Codes were as follows: P0741 Torque Converter Clutch Solenoid Stuck Off. P0700 Transmission Control System (MIL Request) Took it to the dealer where they replaced they tested the line pressures per Service Bulletin 19NA153 (pressures were within spec - 80-300 psi), replaced the TC, inspected the module, and replaced the filter. Left the dealer ... C7 General Discussion - Permanent A8 shudder fix - What is the A8 permanent shudder fix coming out in Jan.? Log In; Register; Forums. New Member. Intros; In Memoriam. In loving memory of lost CorvetteForum Brothers and Sisters; C8 Corvette. C8 Z06/ZR1/Zora Discussion; ... Chevrolet Corvette Forum Discussion; C7 Corvette, 2014 - 2019; C7 General ...Anywho took it to Chevy service and they have ok'd a new torque converter. I'm hardly knowledgeable on transmissions. Was wondering if I could get some of your opinions. From lurking the last week or so, I've noticed where many have had the same problem and same "Fix" from Chevy, only to have the shudder come back another 40k down the road.8-Speed Automatic GM Transmission Problems "SHUDDER". Hello everyone, I've recently encountered a shudder problem with my vehicle, and I've been advised by the dealership to replace the transmission fluid as they believe it could resolve about 90% of the issue. They've quoted a cost of around $600 for this service.Not sure about the 10spd, but the 8 and 9 spd's had a shudder problem (with TSB's) at light throttle and between 20-40mph, usually 3rd or 4th gear. Do a double dump (drain and fill (change the filter) run a couple hundred miles, then drain and fill again). Then change every 30K.Try Honey now: https://www.joinhoney.com/ref/autoauctionrebuildsFind the true history of salvage auction cars: https://autoauctions.io/?ref=autoauctionrebuil...The GM 8L45 eight-speed automatic transmission. According to TSB (Technical Service Bulletin) 18-NA-355, the latest update addresses “torque converter clutch (TCC) shudder conditions on 8L45 and ...Not sure about the 10spd, but the 8 and 9 spd's had a shudder problem (with TSB's) at light throttle and between 20-40mph, usually 3rd or 4th gear. Do a double dump (drain and fill (change the filter) run a couple hundred miles, then drain and fill again). Then change every 30K.Torque converter shudder. I've had this 2016 Yukon Xl Denali with 42000 mile on it since October and it was doing it very infrequently when I bought it. Late last week the check engine light went on finally and threw a P0700 sensor code for the trans temp sensor and it started doing the shudder thing pretty consistently.GM 6L80/90, 8L90, & 10L90 Transmission Shudder During Acceleration. General Motors has released technical guidance regarding a shudder issue caused by improper transmission fluids in their 6L90, 8L90 and 10L90 transmissions. These transmissions suffer from torque converter clutch shudder during acceleration between 25 - 80 mph.This is demo meta description. You can enter here your meta description.5 Transmission Shudder problem of the 2017 Chevrolet Colorado. Failure Date: 11/01/2019. Transmission shudder. Seems common after 40,000 miles on the majority of 2017-19 Colorados. Truck would vibrate like driving over a rumble strip around 55+ mph after transmission fluid would warm up above 80 degrees f. Should be a recall …A shake and/or shudder during light throttle acceleration between 25 and 80 mph (40 and 128 km/h) steady state driving when transmission is not actively shifting gears. A shudder feeling that may be described as driving over rumble strips or rough pavement. Shudder feeling is evident in both Drive and M7 MY15-16 & L7 MY17, MY18 and MY19 mode.Last summer started to get the shudder, brought it in just aFollowing are the results, thus far, on the 104 mile trip back Chevrolet just announced a fix for its beleaguered 2022 Silverado 1500 transmissions. Here are the details. Updated on October 13, 2023 for freshness. Owners of 2022 Chevrolet Silverado trucks have been experiencing various 10L90 10-speed automatic transmission issues. It’s separate from Chevy’s ongoing problems with its eight-speed ...Make. Model. Year. Maximize. The 2017 Chevrolet Colorado has 21 problems reported for shuddering/slipping. Average failure mileage is 30,050 miles. (Page 1 of 2) If you own a 99-02 GMC Sierra or Chevrolet Silverado and you' Latest official GM service bulletin regarding this transmission was to flush trans fluid and replace with Mobil 1 LTV HP fluid. Bulletin number 18-na-355. This was covered under our CPO warranty at 91K miles. Shudder is now gone and we are currently at 101000 miles. The low speed shifting is still a bit clunky though, but at least at all cruise ... Hard Shifts: This is commonly caused by a worn trans

Ours would shudder a lot at lower speeds, I think it was the 1-2 or 2-3 shift. Also, the biggest sign I saw was cruising at 70 mph, the RPM would fluctuate up and down, just a needle width every .5-1 second. Got a flush and a new torque converter and it runs like it should (GM paid for it). Now my concern is the long term life of the 8L90.the 2017- early 2020's had a shudder which felt like driving over rumble strips when going betwen 35 -55mph fixed with a new type of transmission fuid no fix for your studder though, I just slowly accelerate, then go. and the reverse to forward is also normal.Also interesting for those who believe the new fluid is the fix: the latest TSB includes 2019 model year vehicles where the new fluid was used from the start AND it is interesting that under Corvette the LT5 engine (which doesn't have AFM capability) is missing from the current shudder TSB.If the problem has been diagnosed and fixed but the check engine light is still on, either use an auto scan tool or simply disconnect and reconnect the battery. If there is still a...

Here is the actual TSB - 18-NA-145 GMC Technical Service Bulletin. In 2017 they changed the transmission from the 6 speed to the 8 speed. The 8 speed is the one that needed the torque converters (which in reality, did not fix the problem, as it wound up being a fluid issue. 2005 5 cyl, Black on Black, 4 door.The shudder is annoying, but at 190K miles now, I've been at least 20K, if not 30K mikes since the issue started, so it's possible the Lubeguard is what's been keeping me going.., -2015 Chevrolet Equinox SS 301HP V6. -2024 Corvette Mid-Engine 495 HP. -1998 Chevrolet Camaro Z28 400.1 RWHP 6 Speed.…

Reader Q&A - also see RECOMMENDED ARTICLES & FAQs. Jun 21, 2022 ... Comments9 ; GM Transmis. Possible cause: Not sure if you still have your stark, I have a 2014 spark. It would s.