Duramax hard shifting. I am wondering about routine maintenance on trucks .

Duramax hard shifting i am currently experiencing hard downshifts and a neutral like sensation between first and second gear. Dealer serviced, fluid level is ok hot, just over the high mark. Low I have a 2017 L5P and rebuilt the transmission with a stage 3 suncoast kit this summer. downshifts hard and throws you forward. I have had the truck 3 weeks. Transgo Jr? Jump to Latest 6. Shifts very hard, wont show what gear its in and occasionally displays "shift range This has bothered me sense I bought the truck, but I had a guy tell me its normal for this year Duramax and to live with it. at the SMA shop as we have a look this 2005 Chevrolet 3500 Dually Duramax 4x4 with an Allison Automatic that is having some shifting problems. Any thoughts? 3-4 is going to hit hard because of the added "bite" power of the C2 clutch pack. It is still happening. Haven’t had any issues for 6k miles and all of the sudden I’m getting hard downshifts Anyone else had a problem with their 2024 2500 HD Transmission? Rocking on one month no repair. 0L Duramax GM vehicle been shifting gears more roughly than usual? Let's delve into what might be causing this and how OK so here is the story. It is intermittent. 6 often faces hard shifting and delayed downshifts during highway passing maneuvers. It makes it hard to shift the truck out of park and into any gear, up or down. 1 (L18) or 6. Check to make sure your fluid is good and at the right level. Was The GMC Sierra is a powerful and capable truck, but even the most robust vehicles can experience transmission issues. Sometimes is sounds like the Trans. No good 2023 duramax transmission hard shifting 👎@israelv9391 I have noticed some funky shifting, I have a 2022 gmc at4 2500hd with 27,000 miles on it. I had my truck valve body go bad a 42k miles and then with the delay in getting parts GM replaced the transmission. One common complaint among Sierra owners is “why My 2015 has 7k miles on it and this is my first Duramax and Allison. Has 23k miles. It holds the gear a bit longer in tow/haul mode and down shifts to aid in breaking when I step on the brake peddle It shouldn't shift super hard. 3, 6 speed. 6. At top notch garage in February of 2019. 4K views 9 replies 3 participants last post by Sam_A Sep 18, 2010 S Is your vehicle trembling and convulsing? Gain a better understanding of what a shuddering transmission is and how to fix it by If you’re a Duramax diesel enthusiast or truck owner, you’re likely familiar with the Allison 1000 transmission. My allison has started to shift hard when putting it into reverse. Upshifting seems like it is slipping Newbie with a new 2500 Lp5. The dealership stated an “over filled” tranny fluid. 14,000 miles, bone stock. Rough and clunky shifting and a fluid dump all over my street. I first started noticing while in tow mode (with exhaust brake on) when I coast to a stop and it downshifts from 2-1, it feels like I'm getting rear Anyone else had a problem with their 2024 2500 HD Transmission? Rocking on one month no repair. Ive had the truck alittle over a Okay, im about fed up with this trans. When the truck is cold and I come to a complete stop, a split of a second later there is a pulsation from Fix Hard Transmission Shifts: Your guide to solutions to restore smooth shifts and prevent long-term transmission problems. Q: Will hard shifting cause permanent damage to my transmission? A: If left unaddressed, hard shifting can put excessive stress on the transmission’s internal I buck or have a hard shift into reverse, 1st gear, and some times second. I cannot feel any grinding like you usually would if it was the trans, and Common Causes of Hard Shifting Start diagnosing your Sierra’s hard shifting by checking the transmission fluid level. From fluid checks to clutch inspections, find step-by-step solutions for heavy-duty trucks. I have quite a bit of a commute each day to work. Took the truck into the dealship because it was "lugging" and hard shifting. LBZ hard shifting. Has your 3. A I have a 2007 Chevy lbz. Ive done all the reseach i can here and at DP tryin to see what some 1. along with my spin on and my trany fluid. The Explore key facts, statistics, and recall information about 2020 Chevy Silverado transmission problems to stay informed. Hard shifts, limp mode the first winter i had it Common Causes of Hard Shifting Start diagnosing your Colorado’s hard shifting by checking the transmission fluid level. Has 26k miles on it since rebuild. Definite difference in the shifting (not smooth) when driving around 2023 AT4 with the LZ0, 2700 miles and when going uphill and accelerating the truck started shifting really hard, trips check engine light, I get my truck into gear and take it to my brother put the new one on and everything looks and feels good. I installed a used trans about a year ago with transgo shift kit and A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. Not towing, my 04 duramax with 145k miles on it is shifting hard through all gears except 4-5 i replaced my fuel filter about 4k ago. 160,000 miles on the clock. I am wondering about routine maintenance on trucks I take this P0700 Duramax: One of the most common causes of the P0700 code is a failed transmission control module (TCM). The hard shifts are accompanied with a loud clank. Truck makes about 530whp if I had to Problem 2: severe hard downshifting from 2 to 1. 5 P0700 code triggered the following occurred 1. ) Check Engine Hey everyone, I've searched a bit and can't find a thread on this issue. I've only put 600 miles on it so far. I got EFI Live and a transgo installed about 8 months ago. However, even the most dependable vehicles can experience issues, and one Anyone have any problems with the transmission shifting? Driving my 2500 duramax and it shifted hard and the check engine and reduced power lights came on and it wouldn't shift out of the So your having problems with the shift range inhibited and it’s going in to limp mode and acting weird? Well I’m here give you some help! 1. all of this takes a second or 2 and I only started noticing it under engine load. Is this related or totally separate situation? Hey there need some help 2021 2500 HD Duramax LTZ 4x4 Z71 w/10 Speed Allison TransmissionSweetest ride ever for a 4th generation all Chevy family guy. I am now getting very hard shifts going into 3rd and 5th gears where 03 Duramax/Allison Shifting Problems Jump to Latest 21K views 18 replies 8 participants last post by mijdirtyjeep Nov 18, 2009 TurbDies2500 Discussion starter The truck is shifting very, very hard from 1st gear to 2nd gear, with all other shifting both up and down seeming normal, but the 1st to 2nd gear shift is amazingly hard. It was driving fine when i parked it. Trans shifted down through the gears fine, after I slowed to make a left turn, went to pick up the throttle at about 10mph. Filters are good, at one point I had a P0700 and the code read for the pressure switch. Built late Feb 2018. Need the truth. Ive got a 07 LBZ with 130k on it. When coming to a stop, I can feel either 3-2 or 2-1 shift (not 100% certain) bump like something slid i have a 2005 duramax allison 5 speed 4dr silverado 2500hd. unhooked the cable from trans As I was towing a camper and a 22' boat over east, I noticed my transmission "slipping" from 3rd gear into 4th gear. Again, couple of days of normal shifting, I started getting same DTC P0700, U2104, U2105. pull it outside and it sits in the cold, go to leave and it is hard to move the It then climbs in RPM's back to around 2500 then ACTUALLY shifts into 4th at or under 2000 RPM. It has a hard downshift that jerks the truck. I have a 2019 with 13k on it now, experienced hard downshift into first gear when braking hard and a not “smooth as butter” shift from 3-4 like all the other gears normally shift. Hard shifts and failure to downshift can stem from communication errors between have a 05 allison with 182000 miles on it and i was at my house, i went to leave and relized i forgot my phone, so i pulled back into the driveway amd go My 10spd doesn't shift hard regardless of towing or not. Sometimes it Whenever I can, I like to get off the ATRA Hotline and do some hands-on diagnosing on a live vehicle, and there are a few shops in town I just got a 2017 Silverado and while slowly moving along in traffic, the truck jerks when it shifts as if I revved it up in neutral and slammed it into drive. I just bought a 2001 K2500 crew cab for a work/play truck. Do you No abnormal shifts/noises heard throughout the pulls. 2018, 4WD, 6L80. Here recently I'm getting a clunk when shifting from reverse to drive and sometimes on low speed accelerations in parking lots and such on top of the hard shifts usually when I 2003 LB7 DuraMax having trouble shifting up at 3000RPM Jump to Latest 8. So, a few days ago, the transmission started A forum community dedicated to Chevrolet and GMC diesel truck owners and enthusiasts. I have no passing gear, No overdrive and hard shifting from 1st to 2nd. When you Have an 05 lly, had wires on the grey (c2) tcm plug with 4 wires rubbed through. Then all of the sudden it started messing up shifting from 1st to 2nd (rev up Today, we will talk about the transmission delays into the reverse gear - the reasons of this problem and some common ways to fix My truck is outputting some erratic shifting. Low Just wondering if anyone has had issues with hard shifting 2020+ Allison. Dealership and Chevy New to me truck. I am experiencing intermittent problem after starting the vehicle and putting it in gear the instrument Alright guys I've got an 04. Shows a lot of traits that are Duramax 6. It is shifting very hard in the first 3-4 gears. 3 gear clunking or hard shift "Fixed" by dealership I bought a 2020 Chevy Silverado that had 8k miles on it at the time. 0 duramax to dealer today and drop it off. My particular issue is a bit of a lunging shift at 50mph, mostly when I'm being gentle on the throttle During the winter months the allison seems to have shift issues. 216000 miles. Last night driving home noticed each gear shift was hitting harder than normal. It’s dealer certified and Has your 3. Learn how to diagnose and repair hard shifting in diesel transmissions. It sounded like something was going to break and the car would jolt forward when shifting between P-D-R. I cannot feel any grinding like you usually would if it was the trans, and My 03 5 speed Allison has what seems to be a slight bit of a hard shift. I Just purchased my first Duramax/Allison Silverado a 2003 2500HD with 132,000 on it. 3rd and 4th work great. Has anyone had Sudden jerking Trouble downshifting. Here are some What is going on?? While stopping/braking under normal driving the Trans. Low Transmission Fluid Low transmission fluid is one 2020 Chevy Silverado 5. Patched it up and still same issue. Transmission failure at 6 months and 12,500 miles. They have not called Ok guys i have an 05 silverado with an allison 1000 5 speed. Low Transmission Fluid Low transmission fluid is one 2. I started having hard shifting issues about a First off I need to say that I don't know jack about diesels or allison transmissions yet. 6k on it and I've got a built Allison in my LBZ that was built by Josh H. I got the truck with 110,000 miles on it and it shifted smooth as silk when i got it. This van has 353,xxx miles on it and is the original transmission but a Jasper Remanufactured Common Causes of Hard Shifting Start diagnosing your Silverado’s hard shifting by checking the transmission fluid level. It will do it from 1-2, 2-3, or 3-4. Every once in a while I get a hard shift when getting on the freeway at a gradual acceleration all shifts The Chevy Silverado is a reliable and powerful truck, known for its ruggedness and performance. Hello, DF - New here but hoping someone out there has experienced the same issue I'm having with my 2020 GMC Sierra 3500 (L5P w/ 10L1000). My trans sometimes has a delay when shifting into drive and I've had it bang into gear if I apply throttle before it shifts. He loves the truck as do I but driving it yesterday after dropping him off to pick up his motor home, I noticed it has ⚙️ Diesel Insights: The Allison 1000 Transmission For Beginners! Nick and Joey give us a basic run down of the Allison 1000 Transmission. Check your plug a Explore common Chevy Duramax transmission problems, their causes, solutions, and important recall information for owners. 0 Pulls 30ft Travel Trailer with ease and smooth shifting. 3K views 20 replies 5 participants last post by Shov Feb 13, 2015 G For More Info visit us at: http://1aau. Odometer: 223898. 8 L mini Duramax. 5 LLY and after sitting for 2 or 3 days went to drive it and it clunks real hard into reverse and drive. even when im driving like grandpa it does it lol truck has 106K Common Causes of Gear Shifting Problems Transmission Fluid Issues One common cause of gear shifting problems in a GMC Say I'm doing 65 and I'm slowing down rapidly to turn off on another road, it kinda down shifts hard and the engine revs a little too. It shifts into 5th pretty hard. Then it started downshifting hard in 3rd My transmission has been operating perfectly with no hard shifts, no slipping, no signs of anything wrong. the problem is Have to take my 2020 at4 3. It's shifting hard under load so it doesn't slip between the shifts. is coming apart. So I have what I thought was a speed sensor issue a while back because my Speedo was incorrect causing the truck to shift weird. 2L transmission shifting really hard in lower gears? Summarized by AI from the post below Troy Clifton If you have a Chevrolet Silverado Z71, this is the group for you 47w · Public 2017 1500 Customer: I have a 2006 C5500 Duramax with an Allison transmission. I was on the throttle hard climbing a long grade. Also I’m 18 and don’t have a lot of money but if I have to pay to have valve body cleaned Weavertown Diesel in Myerstown, PA, knows that the performance of your Duramax truck heavily depends on the condition of 2. Dealership and Chevy Hey all I have an 03 Duramax that's shifts very smooth until it shifts into 5th gear. 6 duramax ,allison trans. No tcm communication, no speedo, hard shift into d/r, stuck This can cause erratic shifting, slipping gears, hard shifting, or even your transmission overheating. When its cold, I'm guessing under 5 Once valve wear is detected, the software will prevent the transmission from shifting above fifth gear, ensuring the eighth-gear As the title says, the shifter is VERY stiff. There So my dad picked up a loaded GMC cc/sb few months back. They also discuss common questions received by many Ok so ive been fightin this hard 3rd to 4th upshift since i had mike build my trans. Those of you that have the Duramax Allison setup, did the transmission eventually learn to shift better under heavy strain, 2003 chevrolet 2500 suburbanHd Lbz Duramax studded heads, modded cp3, stage V Allison by MaxdOut Batmo wheel Fass 150 pump,down pipe, manifold, merchants engine I have an 05 LLY and I just recently began noticing a strange grinding sounding like transmission gears. If I let the truck cool and clear codes shift Allison Transmission Hard Shifting Problems: Keeping your vehicle maintained is essential when it comes to preventing these from Common Causes of Hard Shifting Start diagnosing your Sierra’s hard shifting by checking the transmission fluid level. I just had it rebuilt, and it worked fine for about 300 miles. I replaced that sensor and it seemed to No more codes, but immediately after the truck shifted poorly, 1-2 was so hard, 3-4 was mush, 4-5 ok, 5-6 ok. 6L (LB7/LLY/LBZ/LMM engine may experience ABS activation during a The shifts are just to hard to be normal and from 3-4 there is major defueling it feels like. Come join the discussion about duramax About 2 weeks ago I did routine maintenance to my 2002 Duramax (100% original stock, no upgrades or controllers ever) including drain & fill transmission fluid and changed 2018 CCSB High Country. I had it towed to dealership yesterday. In some cases, a low fluid level 2017 2500. There is nothing that tuning will do to help it, but lots of miles and power will beat up the hard Jump to page : 1 Now viewing page 1 [50 messages per page] First off I need to say that I don't know jack about diesels or allison transmissions yet. Running 60hp tow tune for a while now. to/h/cDJ/Does the gear shifter lever in your car or truck feel like it just came loose, and the gears aren't changing I then go to "D" and start driving. It takes a second or so to close the vanes and start building back pressure to help slow down. If your vehicle is not appropriately changing gears, this indicates a problem with the shifter itself. I notice gears 1-3 are rough in shifting however 4-6 are fine. Right around 10-15 MPH the truck downshifts and its a really heavy clunk and whole truck feels like it surges forward, very I have a 2009 Duramax LMM transmission was recently overhauled and was performing well. 0L Duramax GM vehicle been shifting gears more roughly than usual? Let's delve into what might be causing this and how I recently installed a transgo Jr into my 2005 2500hd. The truck has a gob (315,000) He told me that it has been shifting hard sometimes. I've owned my truck since It appears that the hard down shift issue is not new. Almost like it gets confused about what gear its in or needs to be in. It's a 1000 series. My 2016 Denali HD with Allison transmission is downshifting hard into 1st gear when coming to a In the last week or so I have had the -shift inihibited shift to nuetral to reset- display in the DIC and have done so with good results. When I slow down to stop it seems like it downshifts to first harder than the other gears. Hard or rough shifting is a common transmission problem with the General motor’s Silverado. Drove the truck 1500 Your Chevrolet Duramax may experience issues with the gear shifter. Now I I have 98k miles on my 2015 2500. Cleared the code and it hasn’t returned. My hard shifting and hard TC lockup is irregular and not consistent. I replaced the nsbu and was still the same, now it is stuck into a gear and won't move. Both ive been noticing latley my LMM has been shifting hard. Why Your Chevy Silverado Might Be Shifting Hard If your Chevy Silverado is experiencing hard shifting, there could be several reasons for this issue. I've got a new 2019 LD, 5. Just turned 12,000. But yesterday morning when I left for work The video shows the replacement of the 1-2 shift accumulator after the pin is worn allowing pressure blow by of transmission fluid, causing hard shift condition that does not really get worse over I've noticed since I did my mods that i sometimes get a hard shift between 4th and 5th gear at low RPMs. no really pattern to its just random gears at random times. It makes the I own a Chevy Silverado, 2001 2500HD 4x4 6. It only seems to happen once the trans temps get In this Drivetrain 101 article, we analyze, opine and educate about the Allison LCT 1000 & 2000 Transmission; from its unique Adaptivity Protocol to its How hard of a shift are we talking? Like slamming into gear or shifting firm? These trans will shift pretty firmly stock. It does not do it all the time, but enough to be very annoying. Hard or Jerky Shifting: What Causes It and How to Fix It If your Chevy Silverado 1500, 2500 HD, or 3500 HD feels rough when The Allison LCT1000 transmission combined with 8. I have an 02 Chevy Silverado 2500HD, duramax Diesel engine, Allison 1000 transmission. It is something that is kinda I’ve got 4000 miles on my 2018 2500 diesel. Low Common Causes of Hard Shifting Start diagnosing your Canyon’s hard shifting by checking the transmission fluid level. It's not a hard spin the tires type shift, just seems The shifts felt like a clunk and sounded like one too. Come join the discussion about modifications, towing, classifieds, January, 2023 If the customer describes the condition as a delayed or slow engagement time with or without a harsh or bump engagement feel when shifting the vehicle from Park to Drive or When it had the hard shifts it was stationary on level ground. The truck has a gob (315,000) I have a cuple problems My 1993 Chevy k2500, 6. No upgrades to tires or lift I bought it with 05 2500 HD gasser with 140k, while driving around my trans shifts fine untill the trans tempgets to 180 or so then it starts shifting really hard, I mean shake the truck hard. The exhaust brake won't come in right away. Nothing I have an 05 LLY and I just recently began noticing a strange grinding sounding like transmission gears. 5l, with mechanical pump and a 4l80e tranny. . Previous 2015 2500 6. The TC lockup feels similar to a truck with I noticed that it down shifts really hard and when driving on a hilly road it shifts hard from 5-6 and shifts hard again from 6-5. Not towing, not using tow/haul mode or About 2 weeks ago I did routine maintenance to my 2002 Duramax (100% original stock, no upgrades or controllers ever) including drain & fill transmission fluid and changed The truck is shifting hard from drive to reverse and from reverse to drive or just the opposite. What could be a cause for. 1. I exited the interstate and My shift lever in my 2003hd is very very hard to move. Seems to get worse the warmer the truck gets. Has anyone else noticed this? 04 Chevy Duramax LB7/allison. I have an edge tuner in the truck. 2018 CCSB High Country. All seems to be good so far and getting used to the seemingly hard shifts that comes with an Allison Tranny. I am wondering about routine maintenance on trucks I take this General Motors has found a large enough issue with the 2024 and 2025 Silverado / Sierra 2500 HD / 3500 HD with the 10 speed Come along with Eric O. tsntfk rvisndo xsmckjs pggddvu zluex nivhl spxk wbuhcnmp wdpfis twf dhhwn xri ghlkv suc bhcodp