2021 silverado 6 speed transmission problems

No 1st or 4th gear (in Drive it shifts from 2nd to 3rd and locks

2021 2500HD Transmission Problem. My father in law has a 2021 GMC with around 5,000 miles. Empty and loaded the transmission is hard up and down shifting. It’s been doing it since new. It doesn’t always do it but …GM to replace some 8-speed transmissions in Sierra, Silverado. Jill Ciminillo March 10, 2021. We’ve been watching the General Motors 8-speed transmission in the GMC Sierra 1500 and Chevy Silverado 1500, and in addition to several complaints about sudden shifts and hard jerks, there is a lawsuit pending. Now we hear for 2021 models, at least ...

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RedSLEd. 12269 posts · Joined 2015. #2 · Dec 10, 2021. There have been a lot of complaints about the 8-speeds with hard shifting, vibrations, etc. Not uncommon. There is a TSB on it to put in new (ish), special Mobil1 fluid that has helped many, but not all, resolve some of these issues.Oct 24, 2019 · RedSLEd said: 1st gear on the six speeds is a pretty short gear, almost a 'granny' gear. So when slowing down and it downshifts from 2nd to 1st, it's a bit of a jump in the ratio and you'll get the occasional 'clunk'. The 6 speed is also a clutch to clutch trans which could make it a little clunky, too. Read the next 8 complaints ». The 2016 Chevrolet Silverado 1500 has 28 problems reported for transmission failure. Average repair cost is $4,770 at 87,000 miles.2021 Chevrolet Silverado 3500HD Summit White Duramax 6.6L V8 Turbodiesel ***3500HD CREW CAB 4X4!!! 6.6L DURAMAX DIESEL ENGINE!!! 10-SPEED ALLISON TRAN... To Learn C4 (For 1-2, 5-6, or 7-8 Shift) 1. Pressure Learns: Note: It is recommended to utilize a road with a speed limit between of 64-72 km/h (40-45 mph) for this procedure. • Shift the transmission into 7th gear with the PRNDM in the M position. Obtain an engine speed between 1000 and 1750 rpm. Maintain this condition for a total of about ... A: Known as a less-than-reliable unit, the 10 Speed Allison 10L1000 transmission is a fertile breeding ground for a variety of problems. This includes but is not limited to: Valve body crossleakage, burnt clutches, damaged clutch hubs, stripped shells and much more.12. Points. 3. Aug 21, 2022. #13. My 2020 5.3l 10 speed Trail Boss is going in the shop tomorrow. Noticeable whine from the engine/transmission. No warning lights or hard shifting, just a whine. Dealer/service rep. said it is the 10 speed transmission, just from listening to it.Buy whichever one has the best overall truck around it IMO. 2017 Colorado ZR2 CCSB - 3.6L V6. 18x9+18 Mayhem Warriors, 275/65/18 Nitto Ridge Grappler, 1" RC Level, 1.25" RC body lift, RC hidden mounts and 30" light bar, pedal commander, bedrack and smittybilt RTT, GM side steps and mudflaps, LED swap throughout.December 13, 2021 by Jason. P0717 is a somewhat rare OBD2 trouble code that can occur in the Chevy Silverado. While it illuminates the check engine light, the code warns of a transmission-related error, specifically that the input shaft/turbine speed sensor is not sending a signal. P0717 is a generic code (it has the same meaning for any ...Common transmission problems with the Dodge Durango include the automatic transmission shifting roughly, a failure of the transmission to engage, a clunking or banging noise when t...The common problems of Chevrolet Silverado’s recorded by are: Hard or rough shifting is a common transmission problem with the General motor’s Silverado. It makes the driving experience not so smooth. When you are experiencing a hard or rough shifting, it becomes hard to switch between gears. There is no smooth transition, and most times ...speed, transmission fluid temperature, and gear command. To Learn C1 (For 6-7 or 3-1 Shift) 1. Pressure Learns: Note: It is recommended to utilize a road with a speed limit between of 48-72 km/h (30-45 mph) for this procedure. • Shift the transmission into 6th gear with the PRNDM in the M position. Obtain an engine speed between 1000 and …Maintaining your Chevrolet Silverado 1500 transmission fluid is one of the best ways to maintain your transmission's health. A general rule of thumb is to have your transmission fluid checked and changed about every 30,000 to 60,000 miles, but that timeline can change if you're hard on your Chevrolet. The good news is that transmission fluid ...Some customers may comment of a shudder, shake, vibration from approximately 25 – 50 mph (40-80 km/h) while under steady to lightly accelerating throttle. Cause. This …2021 Chevrolet Silverado 1500 transmission problems with 1 complaints from Silverado 1500 owners. The worst complaints are power train:manual transmission:seals/gaskets. Maintaining your Chevrolet Silverado 1500 transmission fluid is one of the best ways to maintain your transmission's health. A general rule of thumb is to have your transmission fluid checked and changed about every 30,000 to 60,000 miles, but that timeline can change if you're hard on your Chevrolet. The good news is that transmission fluid ... 755 posts · Joined 2023. #1 · May 31, 2023 (Edited) Hi All, I'm brand new here but active on other GM forums where the 6L transmissions are actively being discussed so figured I'd start a similar all-encompassing transmission thread with videos, links and other information as it relates to the 6L80/90 transmissions.The 2013 Silverado has been reported to have some transmission problems, including: Hard shifting. Transmission slipping. Transmission overheating. These problems can be caused by a variety of factors, including low transmission fluid, worn clutch plates, or a faulty torque converter.So if you are going up a long hill you are winding that engine at over 5000 rpm's for a half mile. Its harming the engine and burning 3 times the gas. Dealer refuses to do anything about it. The ...I have a 2022 Chevy Silverado 1500 Z71 4×4 with the 10 speed transmission problems as well. The truck only has 28K miles on it. It currently is at Modern Chevrolet in Winston Salem, NC.Why is it that my cable modem goes extremely fast some of the time but is unbearably slow at other times? And how can I fix this? Advertisement You have encountered one of the fund...May 17, 2023 ... Same issue I had about 10k miles ago. Valve body issue which doesn't allow it to shift from 6 to 7. Frustrating!Mar 8, 2022 ... In this video we install the SupI had lifter failure on my 2021 Silverado LTZ 6.2. The dealer also re speed, transmission fluid temperature, and gear command. To Learn C1 (For 6-7 or 3-1 Shift) 1. Pressure Learns: Note: It is recommended to utilize a road with a speed limit between of 48-72 km/h (30-45 mph) for this procedure. • Shift the transmission into 6th gear with the PRNDM in the M position. Obtain an engine speed between 1000 and 1600 ...Feb 23, 2021 · The Silverado is available with no fewer than seven engine and transmission combinations, everything from a base 4.3-liter V6 and six-speed automatic to a 6.2-liter V8 with a 10-speed auto. Nov 8, 2020 ... Top Gear New 606K views · 6 Beginning in 2005, the Silverado got the 6 speed transmission. The more pronounced problems with the transmission, however, did not start showing up until the 2012 to 2019. In this model, these were the most commonly reported issues: Jerky shifting of gears. Erratic down and up shifting.Open check plug and once fluid drains from check plug stop filling. Close both plugs. 6. Start truck and get trans to 165-176 degrees. 7. Leave truck running and open check plug, if it is a slow drip then it should be good. If not then add fluid thru side plug until it drops from check plug. 8. Finished. 2021 Silverado 1500 w/ 5.3 - 8-speed transmission issues. Hi

Jul 30, 2021 ... There are service bulletins from GM that keep getting updated every year since 2016 for both six speed and 8-speed transmissions. Not so much ...It is important to note that these conditions: Do not occur during vehicle launch from a stop. Do not occur when the transmission is shifting gears. Do not occur when the vehicle is decelerating. Do not occur when TCC slip speed is zero. TCC slip speed is zero in gears 2-8 when engine RPM is greater than 1600 RPM.3. 384xray Discussion starter. 5 posts · Joined 2021. #1 · Feb 15, 2021. Hello all! I finally got the truck of my dreams having custom ordered, from the factory a 2021 2500 HD, CrewCab, 4x4, Z71. As of today it has 1227 miles on it and from day one there has been issues. 1st issue was pulling to the left which has now been back to the dealer ...2016 Silverado 6 speed transmission will not engage/go into gear. edwardk; Mar 24, 2024; 13 ... Jun 17, 2021; 5 2K Mar 28, 2024. by ... 6-Speed Automatic Transmission. 3.6K posts 1.4M views 6L80, 6L90 transmissions Show Less ...GM is launching a “customer satisfaction program” to address ninety-eight 2021 Silverado and Sierra, which have 8-speed transmissions that are certified duds. The quality and performance of General Motor’s 8-speed transmission, used on some trim levels of the Silverado and Sierra since 2014, has been up for debate over the years.

Dec 7, 2020 · If you skip ahead to the 2019 Chevy Silverado 1500, you will find 17 transmission problems in five categories, according to Car Complaints. This is an improvement from 90 reported issues with the 2017 Silverado model. However, more 2019 Silverado transmission problems may be reported as the trucks pass the 100,000-mile mark. GM, which represents the owners of various GM vehicles who have one of two models of eight-speed automatic transmissions — the GM 8L90 or 8L45 — made between 2015 and March 1, 2019.…

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A broken reaction carrier could prevent the transmission from operating as intended. This problem does not pose an immediate safety hazard to vehicle occupants. The fix: dealers will replace...Jan 15, 2016 · DenaliHD66 Discussion starter. 200 posts · Joined 2014. #1 · Jan 15, 2016. So I've had my 2015 GMC Sierra 6.2L/8Speed 3.42 gears for 7 months now. I am less than impressed with my new transmission. The shift points are terrible. It clunks all the time. It slams into gear at the lower gears. When you are at speeds of 35+ the transmission is ... According to Chevrolet, your Silverado 2500 HD’s transmission should be checked regularly for wear and tear. First off, Chevrolet recommends exchanging transmission and differential fluids in 2021 Chevrolet Silverado 2500 HDs at certain intervals with Chevrolet-approved transmission fluid. Our technicians know how to service your 2021 ...

Mar 8, 2022 ... In this video we install the Superior Transmission Parts SURE-COOL thermostat delete for GM 6L45, 6L50, 6L80, 6L90, and 8L90 transmissions.Duramax L5P Engine Problems. MAP Sensor Failure. Allison 1000 Transmission. Fuel Injector Failure (#4 Injector) Finding 3 problems with the L5P was difficult. While these engines are still relatively new, they seem to be extremely reliable so far with very few “common” problems that haven’t been solved or addressed. Chevrolet Silverado (double cab, crew cab) 6.2L V8 L86 NA: Chevrolet Tahoe: 5.3L V8 Vortec NA: ... TSB Seems To Fix 8-Speed Automatic GM Transmission ProblemsAugust 13, 2019;

Transmission problems still haunt the Chev Maintaining your Chevrolet Silverado 1500 transmission fluid is one of the best ways to maintain your transmission's health. A general rule of thumb is to have your transmission fluid checked and changed about every 30,000 to 60,000 miles, but that timeline can change if you're hard on your Chevrolet. The good news is that transmission fluid ...The GM lifter problems seem to be most prevalent in the L84 5.3-V-8 and L87 6.2-liter EcoTec3 V-8 engines with build dates between September 2020 and March 2021. These engines are the newer variable displacement design, which uses DFM rather than the older AFM system. The vehicles seem to be failing with less than 10,000 miles … Install Transmission Thermal Bypass Valve (TBV) For Any RepaToday, we will talk about the four generations of the Changing the transmission fluid and filter on my 2019 Silverado 1500 8L90 8-speed transmission.Owner’s manual recommends service at 45,000 mile intervals. Fl... process, shifting might feel different as the tran Select 2023 Silverado 1500 pickup trucks may have a condition where the cases of the GM 10-speed automatic RPO MHS and MHT transmissions are out of specification. These gearboxes are connected to ... Jul 5, 2021 · The big-boned Ram (5,960 pounds) tThe 2013 Silverado has been reported to have some transmission problemNov 8, 2020 ... Top Gear New 606K views · 2021 Chevrolet Silverado 1500 transmission problems with 1 complaints from Silverado 1500 owners. The worst complaints are power train:manual transmission:seals/gaskets. May 18, 2023 · The 2021 Chevrolet Silverado 1500 lasts around 25 Page 4 March, 2021 Bulletin No.: 21-NA-047 any other known vehicle vibration issues (tires, brakes, etc.) before conducting test. If TCC Shudder is present, a vibration peak will appear. TCC Shudder vibration frequency is stationary in 8th gear. If the vibration frequency follows vehicle speed or engine speed, then it is NOT TCC Shudder.There are many different signs of transmission problems, all of which are important to be aware of — a defective transmission can put the car’s driver and passengers at risk of getting into a car accident. Some of the most common transmission problems GM drivers reported include: Illuminated check engine light. Loss of power. … A friend of mine showed up the other day in a brand [Buy whichever one has the best overall truck aroundIt's now going on 8 weeks without my truck and •7 Quarts of Dexron VI transmission fluid (6, not 4!!) •A new transmission filter •Narrow necked funnel ... I would take a 6L80E over any 8 or 10 speed any day at least I know the 6 speeds are going to hold up a little better. ... A forum community dedicated to Chevrolet Silverado and GMC Sierra pickup owners and enthusiasts. Come join ...