Gmc canyon transmission shudder

2017 Canyon Shudder started at 7k new convertor, reprogram,fluid flush,then the updated fluid flush.The shudder came back after each repair. They don't know how to fix it! Now dealer is saying its normal.With the class action lawsuit filed for this exact issue im sure GM has told dealers to clam up! I just opened BBB case to buy it back.

Gmc canyon transmission shudder. The vast majority of transmission shudder issues were fixed by TSB 18-NA-355 that came out January 2019, and updated later in July 2019 negating the need for diagnostics (only customer complaint necessary). ... 2017 GMC Canyon Denali V6 4x4 . 2017 GMC Canyon Denali CCSB V6 4x4. Reactions: American Truck, HenryT, …

2017 Canyon transmission issues. Just had my 2017 Canyon to the dealer for the fourth time, something wrong with the tranny it shifts really bad from 1st to 2nd stumbles and slips and about a year ago the truck sat in my garage for about a month and when I started it, it would not move in fwd or rev called the dealer and he told me to rev it up ...

2017-19 GMC Canyon; ... That case involves 8L vehicles made after March 1, 2019, through model year 2022, when GM replaced the automatic transmission fluid that caused the shudder problem.Requesting correct TSB's for 2019 Transmission Shudder, Thanks ! Jump to Latest Follow 21 - 30 of 30 Posts. 1 2. R. RCuriel · Registered. 2020 GMC Canyon Ext. Cab 2WD, V6 Joined Oct 15, 2012 · 495 Posts #21 · Jul 10, 2022. Only show this user. Hunter62 said: depending when your 2020 was built the cut off date was in 2019 but the transmission ...1. Jack up the front of the car. Jack up the front of the car and install jack stands under the frame. Lower the car and make sure it is securely positioned on the stands. 2. Use a socket wrench to remove the transmission pan bolts. Use a socket wrench to remove the transmission pan bolts and remove the pan. Drain the fluid into a drain pan.Lately, for instance, those with the 8L45 "shudder" issues GM has been swapping out with a Mobil trans fluid. So I guess we will need to be on top of this as new information becomes available. 2022 Satin …4207 posts · Joined 2017. #3 · Feb 28, 2022. The new fluid seems to have eliminated most of the "shudder" issues. Some still have a 1-2 shift issue. Personal experience with my 17 8l45 was a few weird shifts during the first 4-500 miles. I installed the Trifecta tune at 1k and trans has been outstanding since.

#1 · Sep 3, 2023. Recently had my local Chevy dealer drain and refill (no flush) my trans fluid two times. Drove approx 120 miles between flushes. Since then I notice a minor and intermittent "shudder" when coming to harder stops (an example would be approaching an intersection with yellow light).Oct 27, 2018 ... This is how much cost to fix a Chevy Colorado transmission Shudder... Will a Dealership fix it? Matty's Garage•19K views · 9:51. Go to ...The most common complaints that drivers have about GMC Terrains are: engine problems, issues with interior accessories and components, transmission troubles and problems with the w...And what occurs is a loss of hydraulic pressure to keep the frictions and steels clamped securely, so the shudder is parts slipping as the pressure fluctuates to them. This DOES cause damage over time and even the replacement TC from GM is the same poor design. The only real fix is a purpose built converter.2016 GMC Canyon. 80. Out of 100. The J.D. Power 100-Point Score is based on hundreds of thousands of independent and unbiased opinions of verified car owners. See the 2016 GMC Canyon model page for more details. Top Alternatives. 82. 2016 Chevrolet Colorado. People are Paying.2017 GMC Acadia transmission problems with 39 complaints from Acadia owners. The worst complaints are shift to park alert, car doesn't recognize it is in park, and chattering.

But, what most have said that needed a Torque Convertor was in about 500 miles it still was not better. Most everyone seems to have gotten rid of the shudder with the Transmission Flush and Upgraded Fluid. 2017 Colorado Z71 3.6L V6 4WD Extended Cab Summit White.The 2016 GMC Yukon has 4 problems reported for transmission shudders and shakes when shifting. Average repair cost is $5,880 at 64,000 miles.So I bought a used 2020 denali last week. Build date is january 2020, before the new transmission fluids were put in at factory, according to a post I'd seen here. But on the test drive and since purchase there is no sign of shudder what so ever. So am I in the clear, or may still develop a shudder?Feb 26, 2018 ... Chevy Colorado / GMC Canyon, Transmission, Transfer Case, & Differential Service. (The Shudder Fix). Repair Geek•60K views · 19:18. Go to ...Typically, the shudder will occur during light throttle operation at 20-80 mph (typically 40-50 mph) with the transmission between 122°F - 158°F (50°C - 70°C) operating temperature. If the converter is in full lockup (0 RPM slip), such as when engine speed exceeds 1600 rpm, the shudder will disappear.

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Dec 27, 2016 · 2016 GMC Canyon All Terrain 4 wheel drive crew cab with 6' bed in Cardinal Red, 3.6L engine. Mods, Pedal Commander and Elite E-2 catch can. Also use Bora 1.25" wheel spacers and installed the adjustable Rancho 1.75" lift strut assemblies and Rancho rear adjustable shocks. Matt Neyens. Share. 2016 GMC Canyon All Terrain 4 wheel drive crew cab with 6' bed in Cardinal Red, 3.6L engine. Mods, Pedal Commander and Elite E-2 catch can. Also use Bora 1.25" wheel spacers and installed the adjustable Rancho 1.75" lift strut assemblies and Rancho rear adjustable shocks. Matt Neyens. Share.Shuddering is a sign of transmission clutch failure when it comes after ATF flush or change especially if previous recommended ATF change interval was not done on time. Usually it is not advisable to flush or change ATF at 102k mile if it hasn't been changed before because it certainly will show up any failure in the transmission clutches. 2021 ...The 2017 GMC Canyon has 5 problems reported for jerks, shudders, chugs and slips. Average failure mileage is 14,000 miles. CarComplaints.com : Car complaints, car problems and defect information1. Misfire. Vehicle Speed: A Misfire can be felt at any speed, but is most noticeable at low RPM. A misfiring engine is one of the most common reasons your Canyon will shake when accelerating. A vehicle’s ignition system consists of spark plugs, coil packs, and maybe plug wires. If it is an older model, it’ll have a distributor and coil ...2007 GMC Sierra 1500 SLT/Crew Cab/2WD/V8 5.3L/New body style/StabiliTrak/Z71 suspension package/3.5" RC lift and struts/New rear shocks/BFG All Terrain KO2 315/70 R17 tires on Helo 17x8 0mm offset wheels/235k miles ... etc.) so I figured a new transmission was in my future. About 2 months ago I started noticing that the truck would 'shudder ...

Otherwise, I personally consider the GMC Canyon the best mid-sized truck in the market, and even the "new" Ranger is but a shadow to the Canyon. #2: I have the same problem with my six speed 2016. I thought that was fixed with the new eight speed. Yikes OP: In actuality, the GM 6-8 speed transmission problems are unfixable.2015-19 GMC Sierra, Yukon, Yukon XL, and Yukon Denali XL ... 2017-19 GMC Canyon; ... 2019, through the model year 2022, when GM replaced the automatic transmission fluid that caused the shudder ...Aug 27, 2020 · Bulletin #16-NA-284: Rough idle and/or stalling when sitting at a stop. ( Sep 6, 2016) Condition: Some customers may comment on rough idle and/or stall when sitting at a stop. Cause: This condition may be caused by a fuel trim value not being reset after an intrusive evap purge test causing a temporary lean condition. GM Transmission Class Action Lawsuit. A class action lawsuit (Speerly v. General Motors LLC (ED MI. Case No. 2:19-cv-11044-DML-DRG)) was filed on April 10, 2019, which was consolidated with class action lawsuits filed by several other consumers on behalf of people who purchased or leased certain cars equipped with an 8L45 or 8L90 …They are concerned that this would start them down a slippery slope for repairing many 2015,16,17's that have the same issue…Someone is going to get seriously injured or killed as a result of this transmission issue." — Lexington, MA, September 13th, 2018 The gmc 2017 canyon vibrates at highway speed 60mph to 70mph.Found the 1-3-5-6-7 piston seal was cut, allowing for insufficient pressure to the clutches and causing a shudder sensation as the clutches were slipping. Replaced the cut seal. Found no obvious signs of distress to clutches or housings. Reassembled vehicle and filled transmission to appropriate fluid level.James1549 Discussion starter. 100 posts · Joined 2012. #1 · Jun 21, 2022. Just purchased a 2019 Colorado Crew Cab LB, 34K. Test drive went perfect, so I bought it. Drove it home and before I got home, the truck started shuddering on the highway and city traffic. All kinds of warranties came with it from the dealer.Art-deco design cues of the 1937 GMC pickup included an intricate grille and sweeping lines. See pictures and learn about the elegant 1937 GMC pickup. Advertisement With styling in...1. Transmission Problems. The second-generation GMC Canyon had lots of complaints regarding a noticeable shudder from the 8-speed transmission. This widespread transmission shudder was common in the 2017 to 2019 model years of the GMC Canyon. Owners reported the following symptoms: Lugging or jerkiness at low speed. Delayed downshifts. Gear huntingOur 2019 Canyon Denali 4×4 started getting the vibration/shudder at 5200 miles…I think we caught it early, because it's still at the random "feels like driving over rumble strips" phase.Otherwise, so far my 2017 Colorado 3.6L/8L45 drive train is working fine. The 8 speed is a big improvement in smoothness over the 6L50 IMO. I have never noticed any shudder in the almost 4 years of driving it, but did have the fluid changed under the TSB back in 2018. So far so good.Started experiencing the Transmission Shudder. GM refers to it as SERVICE BULLETIN 18-NA-355. Chevrolet Colorado 2017-2019. Condition: may be described as driving over low rumble strips or Highway with rough expansion joints. Cause: may be due to Torque Converter Clutch Shudder. Correction: Should have the …

The most common problems and complaints about the Ford Focus revolve around the transmission and include grinding sounds, shuddering, problematic shifting and gears slipping. Speci...

I have a 2016 GMC Canyon Diesel and I love it, but about a week ago I got the dreaded shudder, but only when shifting from 2nd to 3rd. I see the shudder seems to be because of the torque converter, but have not been able to find where it only happens going from one specific gear to another...I really like the GMC Canyon Denali 2 wheel drive V-6, and wanted to purchase one. But sadly after looking on YouTube and articles online, I see terrible stories about transmission shudder.Just like the closely related 2023 Chevy Colorado, the 2023 GMC Canyon will feature the new-generation Hydra-Matic 8L80 eight-speed automatic transmission. This is a brand new version of the GM ...Lately, for instance, those with the 8L45 "shudder" issues GM has been swapping out with a Mobil trans fluid. So I guess we will need to be on top of this as new information becomes available. 2022 Satin Steel 2WD Colorado LT V6 CCSB- Luxury & Convenience Pkgs, Black Leather Seating, LineEx Bedliner, ARE cap.I wouldn't use it in your truck unless your shudder returns and GM can't/won't fix it again. Sent from my SM-G973U using Tapatalk. 2020 Colorado ZR2 CCSB 2.4L Duramax, Satin Steel Metallic. 589Fab Level, XD135 Grenade Wheels, 35x12.5" Kenda Klever R/T, Nitro 4.56 gears, Cali Raised Bed Rack, Smittybilt RTT, CBI Covert Bumper, Smittybilt 12K X20 ...816 posts · Joined 2018. #6 · Mar 11, 2021. Make sure the gear oil does not have any friction modifiers if you have the Eaton G-80 rear locking differential. If you have the G-80 is will stop it from locking up properly. 2023 Sierra 1500 3.0 LZ0 Standard Bed, Pacific Blue. 2018 Colorado Z71 CCLB 2.8. terryjm1.2nd Generation Chevrolet Colorado and GMC Canyon. ... 2017 GMC Canyon Shudder. Jump to Latest Follow ...

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Some drivers describe shaking and shuddering when driving at 55 mph or higher, but other say they feel vibrations even when driving at low speeds. Other drivers complain of problems with the electrical system, with malfunctioning of the screen, radio, backup camera, and Bluetooth. If you are frustrated by problems with your GMC …TECHNICAL. Subject: Shake and/or Shudder During Light Throttle Acceleration Between 40 and 128 KM/H (25 and 80 MPH) at a Steady State. Attention: This bulletin only …Step 2: Drain, Fluid Fill, & Circulate New Fluid. 2 a.) Remove the transmission fluid pan and drain transmission fluid again. Discard all oil. 2 b.) Install the transmission fluid pan and refill with new transmission fluid using enough volume to have oil come out of oil level check plug.General Motors has published multiple technical service bulletins pertaining to torque converter clutch shudder issues in their 8-speed transmissions. This problem currently affects 11 different models across 3 different OEM brands for the model years between 2015 and 2019. After implementing several fluid revisions, GM's latest solution (TSB 18-NA-355) is lengthy, complicated and expensive. ItThis service bulletin provides information for automatic transmission oil cooler flush and flow test. This preliminary information communicates to the dealer technician that engineering is investigating root cause of a harsh 1-2 and/or 5-4 shift on the 2017 chevrolet colorado and the 2017 GMC canyon after mileage accumulation of approximate.And what occurs is a loss of hydraulic pressure to keep the frictions and steels clamped securely, so the shudder is parts slipping as the pressure fluctuates to them. This DOES cause damage over time and even the replacement TC from GM is the same poor design. The only real fix is a purpose built converter.2017 GMC Acadia transmission problems with 39 complaints from Acadia owners. The worst complaints are shift to park alert, car doesn't recognize it is in park, and chattering.The most commonly reported problem with the GMC Envoy SUV’s transmission is a complete transmission failure, according to car repair statistics website CarComplaints.com. Some owne...2018 GMC Canyon CCSB. ... My 2018 4x4 LT just started the transmission shudder a few days ago. It’s about 18 months old and turned 8k miles on the way to the dealer today. The trans shudder was at about 35mph and at 70mph. They did the flush, said it might take 250 miles or do to clear up. I could not detect any transmission …I am experiencing the same transmission problem; shuddering and hard shifting between 30-60 mph on my 19' Canyon Duramax, 6-spd Auto transmission. Took it into the dealership today to see what's doing, truck has 40k miles and ran great until this. Hopefully the fix will come easy.Some customers may comment that the transmission exhibits a harsh 1-2 shift on the first shift of the day, typically under light throttle. Cause. This condition is due …5628 posts · Joined 2014. #2 · Nov 1, 2019. If it was built before 3/1/19, then more than likely it's possibly the 8spd transmission shudder. If that's the case, then the trans fluid flush under TSB 18-NA-355 from a dealer is the fix. The shudder occurs while light load cruising 25mph+ in high gear, feeling like an intermittent pulsing ... ….

Check out our GMC Canyon overview to see the most problematic years, worst problems and most recently reported complaints with the Canyon. 2015 GMC Canyon transmission problems with 23 complaints ...Summary: This technical bulletin provides a procedure to flush and drain fluids for the transmission to eliminate a shake and/or shudder during a light throttle acceleration between 40 and 128 km/h (25 and 80 mph) at a steady state. Discuss it at Forum View This TSB. TSB Number: 17-NA-066. NHTSA Number: 10137640.RWT. 344 posts · Joined 2018. #3 · Sep 12, 2019. Mine was gone after the flush with the new and improved Trans fluid. That lasted about 1000 miles then it was back.Took it the dealer, they checked with GM, GM said, replace the Torque Converter. In fact, I just picked it up from the dealership today after having the Torque Converter replaced.The 2015 GMC Acadia transmission shudder is often caused by mechanical wear, fluid inconsistencies, torque converter issues, or external factors. Regular maintenance, fluid checks, and expert consultations can provide effective solutions. The 2015 GMC Acadia stands as a testament to GMC’s commitment to engineering …2017-2019 GMC Canyon; 2015-2019 GMC Sierra; 2015-2019 GMC Yukon; 2015-2019 GMC Yukon XL; The 8-speed GM transmission lawsuit alleges the automaker cannot fix the problems and only a planned major redesign in 2023 models will help. The plaintiffs also claim that GM has known about the problems since 2012 but didn't admit it to customers.2017-19 GMC Canyon; ... 2019, through the model year 2022, when GM replaced the automatic transmission fluid that caused the shudder problem. Featured Weekly Ad.TCC Shudder and New Mobil 1 Fluid Exchange – TechLink I found this part interesting. “The TCC shudder condition is related to the moisture content in the transmission fluid. The current fluid tends to be hygroscopic or absorbs moisture, which increases the chance of TCC shudder. There are... www.coloradofans.com. 2020 Canyon CCLB 2.8L Duramax.From the DT-52263 Transmission Fluid Exchange Kit, remove cooler lines and install DT-52263-1 Block Assembly. Put drain hose into GE-47716-2 Graduated Bucket. Lower the vehicle. Through dipstick tube add 6 quarts of DEX6 transmission fluid. Start the engine and run 4 quarts into GE-47716-2 Graduated Bucket, then shut vehicle off. Gmc canyon transmission shudder, Summary: This technical bulletin provides a procedure to flush and drain fluids for the transmission to eliminate a shake and/or shudder during a light throttle acceleration between 40 and 128 km/h (25 and 80 mph) at a steady state. Discuss it at Forum View This TSB. TSB Number: 17-NA-066. NHTSA Number: 10137640., When i accelerate up a hill or under a load you can feel the transmission shudder. It shudders around 3-5 times then changes gears and the shudder goes away. Now waiting on GM again. The truck has been in the shop 5 times for the transmission and nothing has fixed the problem. With 15,000 miles on the truck hopefully I can either get it bought ..., I am experiencing the same transmission problem; shuddering and hard shifting between 30-60 mph on my 19' Canyon Duramax, 6-spd Auto transmission. Took it into the dealership today to see what's doing, truck has 40k miles and ran great until this. Hopefully the fix will come easy., ChipsNQueso4Life. Transmission flush fixed the shudder. (Tsb 18-NA-355) Transmission flush fixed the shudder. (Tsb 18-NA-355) Took my 2018 Colorado WT in for the flush at the Chevy service center I get all my routine work done at. It was all covered under warranty as I only have 18,900 miles on it., Or, most major parts stores will provide this service to you free of charge. Here are the most common issues that cause your Canyon to jerk when accelerating: 1. Misfiring Engine. A few things can cause an engine to misfire. More often than not, it's going to be the spark plugs or coil packs that are the culprit., And another GM transmission shudder/shake lawsuit - Expanded and now covers certain vehicles from 2019 to 2022. Jump to Latest Follow ... Chevy Colorado & GMC Canyon. 1.9M posts 134.2K members Since 2003 Join fellow enthusiasts to discuss modifications, troubleshooting tips, and share your experiences with these versatile midsize pickups ..., Research the 2017 GMC Canyon at Cars.com and find specs, pricing, MPG, safety data, photos, videos, reviews and local inventory. ... Transmission issues on GMC Canyon- do not buy. September 10, 2022., Dec 18, 2023 · The second-generation GMC Canyon had lots of complaints regarding a noticeable shudder from the 8-speed transmission. This widespread transmission shudder was common in the 2017 to 2019 model years of the GMC Canyon. Owners reported the following symptoms: Lugging or jerkiness at low speed; Delayed downshifts; Gear hunting; Clunking noise , GM customers eager to purchase a new 2024 Chevy Colorado or 2024 GMC Canyon will need to wait, as both midsize pickups are still under a stop-sale order. ... Yes you did, transmission shudder ..., 5 Transmission Shudder problem of the 2017 GMC Canyon. Failure Date: 11/20/2017. The GMC 2017 Canyon vibrates at highway speed 60mph to 70mph. The 2nd day after I bought it took it on long trip found it had vibration problems. After taking it to the dealership for tire balance twice replaced front wheel bearing then transmission flush., Drivers say GM transmissions 'shake' and 'shudder' ... 2017-2019 GMC Canyon. The lawsuit only covers vehicles up until 2019 because that was the year it was filed. For drivers who bought newer GM models with the same vibration issue, there's a class action lawsuit already filed for those. It covers 2019 to 2022 models, and the judge ..., Also known as a torque converter shudder, a transmission shudder refers to when your vehicle’s transmission begins to noticeably shake or tremble convulsively. In most cases, transmission shudders occur when shifting your vehicle into overdrive or when you drive up an inclined surface while your vehicle is already in overdrive., 2006 4.2 envoy transmission shudder and slipping. Jump to Latest Follow ... TrailBlazer SS and GMC Envoy Forum. 1.3M posts 174.2K members Since 2004 A forum community dedicated to Chevy Trailblazer and GMC Envoy owners and enthusiasts. Come join the discussion about performance, modifications, troubleshooting, towing capacity, maintenance, and ..., Nov 14, 2019 · Shudder is sort of gone. It also had a strong vibration at highway speeds and last time dealer did a road force wheel balancing and also rotated the driveshaft 180 deg. The vibration at highway speeds is gone but it did take two trips to the dealer. The problem that still persists is a slight but annoying vibration felt in the seat (read: butt ... , 1 Transmission Shudder problem. Failure Date: 02/03/2020. Transmission consistently shudders when accelerating in all driving conditions and speeds, and sometimes goes to higher rpms when engine is warm and restarted. Dealer said this was normal when recently brought in., 2017 Gmc Canyon Technical Service Bulletins. Your path: TSB Home >> 2017 >> 2017 Gmc >> 2017 Gmc ... This technical bulletin provides information for new transmission oil to use and a procedure for exchanging the old fluid and adding the new fluid to correct a shake/shudder during light throttle acceleration condition. Communication Number ..., When the mid-sized GMC Canyon first debuted in 2003, it was equipped with the 4L60E transmission. After a brief hiatus, the GMC Canyon was relaunched in the U.S. market in 2015 with the 6L50 6-speed transmission, and the 8L45 8-speed transmission. But they aren't without their problems though, so let's look at some of the most common GMC Canyon transmission problems, look at cost estimates ..., 2nd Generation Chevrolet Colorado and GMC Canyon. ... The dreaded transmission shudder finally caught up to me. Jump to Latest Follow 61 - 77 of 77 Posts. 1 4 of 4 Go to page. Go. 4. Clutch410 · Registered. 2018 Chevy Colorado LT 4x4 Joined Aug 3, 2018 · 51 Posts ..., 2017 Canyon Shudder started at 7k new convertor, reprogram,fluid flush,then the updated fluid flush.The shudder came back after each repair. They don't know how to fix it! Now dealer is saying its normal.With the class action lawsuit filed for this exact issue im sure GM has told dealers to clam up! I just opened BBB case to buy it back., Because my 2018 has over 2500 miles on it, and I haven't experienced any shudder yet, and I take the highway every day. Chris. New York, New York. 2018 Chevy Colorado Z71 Centennial Edition. CCSB, 3.6L V6, 4WD, Factory Spray-In Bedliner, Centennial Blue Metallic, 18" Polished Aluminum Wheels;, 2nd Generation Chevrolet Colorado and GMC Canyon. ... 2017 GMC Canyon Shudder. Jump to Latest Follow ..., Shuddering is a sign of transmission clutch failure when it comes after ATF flush or change especially if previous recommended ATF change interval was not done on time. Usually it is not advisable to flush or change ATF at 102k mile if it hasn't been changed before because it certainly will show up any failure in the transmission clutches. 2021 ..., Otherwise, so far my 2017 Colorado 3.6L/8L45 drive train is working fine. The 8 speed is a big improvement in smoothness over the 6L50 IMO. I have never noticed any shudder in the almost 4 years of driving it, but did have the fluid changed under the TSB back in 2018. So far so good., We may earn a commission for products purchased through links on this page, Because my 2018 has over 2500 miles on it, and I haven't experienced any shudder yet, and I take the highway every day. Chris. New York, New York. 2018 Chevy Colorado Z71 Centennial Edition. CCSB, 3.6L V6, 4WD, Factory Spray-In Bedliner, Centennial Blue Metallic, 18" Polished Aluminum Wheels;, 2015-19 GMC Sierra, Yukon, Yukon XL, and Yukon Denali XL ... 2017-19 GMC Canyon; ... 2019, through the model year 2022, when GM replaced the automatic transmission fluid that caused the shudder ..., Aug 15, 2021 · 17 posts · Joined 2018. #1 · Aug 15, 2021. I'm thinking of trading in my 05 Colorado for a 2016 diesel Colorado, super nice truck but when I test drove it I felt it shudder - a couple separate times while accelerating from a stop, and a copule separate times while accelerating from about 55 to about 70. I Googled the shudder and learned this ... , Art-deco design cues of the 1937 GMC pickup included an intricate grille and sweeping lines. See pictures and learn about the elegant 1937 GMC pickup. Advertisement With styling in..., Lately, for instance, those with the 8L45 "shudder" issues GM has been swapping out with a Mobil trans fluid. So I guess we will need to be on top of this as new information becomes available. 2022 Satin Steel 2WD Colorado LT V6 CCSB- Luxury & Convenience Pkgs, Black Leather Seating, LineEx Bedliner, ARE cap., ApproachMedium. ving the same issue with our Colorado's over here. 2.8L diesels with the 6L50 6-speed transmission. Mine is a 2017 with 86,000km, so 53,000miles. Gets a shudder under load, light throttle, 1,300 - 1,700rpm until it decides to drop down gear and get out of that rpm range. Drive it like a manual, and keep it above …, Shudder - transmission. Jump to Latest Follow 21 - 35 of 35 Posts. 1 2. tjonesjr · Registered. 2018 GMC Canyon CCSB. ... 2018 GMC Canyon CCSB., My trucks in the shop. the GM 8L90 automatic transmission shudder issue at 40K miles. ATRA link https://gearsmagazine.com/magazine/what-is-causing-that-a-loo..., GMC Canyon and Chevrolet Colorado 6L50 transmission problems have caused a class-action lawsuit that alleges the transmissions jerk, slip, chug, shudder, experience delayed downshifts and suffer ...