Automatic transmission shudder when shifting Aug 14, 2022 · Hello, I've followed C Fans for months. General Motors originally manufactured this transmission. This sensation‚ often described as a shuddering or vibrating feeling‚ can occur during acceleration‚ deceleration‚ or even at a constant speed. Shudders occur most often when shifting into overdrive or when in overdrive and going up a slight incline. Dealer cost to flush was $400. Oct 27, 2012 · I have the 47RE. Stop slipping and revitalize your transmission for smoother shifting and enhanced responsiveness. Shudder, poor temperature distribution, rough shifting, and similar problems need to be addressed quickly. Jan 5, 2021 · 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. To correct this condition, follow the Service Procedure steps to reprogram the PCM and the transmission solenoid strategy. It is the #1 shudder eliminator used by professionals and provides additional anti-wear protection for automatic transmissions. If the converter is in full lockup (0 RPM slip), such as when engine speed exceeds 1600 rpm, the shudder will disappear. Right from the get-go the shifting seemed a little delayed/erratic at times, but I didn't think much of it because I hadn't driven any other of these trucks and was thinking maybe it was normal. Banged hard into drive last week, then drove normally. It’s a type of vibration or shaking that occurs when the vehicle is accelerating or decelerating from a stop or low speed. Combine this with a fresh OEM fluid and even Oct 27, 2012 · I have the 47RE. This issue, often referred to as “transmission shudder” or “transmission slipping,” can be caused by several factors. i have a classic 4 gear automatic transmission Mar 27, 2024 · After reading your recommendation about Lubegard Instant Shudder Fixx, I did gave it a try and it completely solved my transmission issues. This may be due to the software in the powertrain control module (PCM). Feb 19, 2020 · Transmission issues such as slipping, hard shifting, sticky valves and shuddering can ruin the experience but can be fixed with a transmission additive. It causes the transmission to shake or tremble weirdly when the vehicle shifts into overdrive or when driving uphill in overdrive. It prevents thermal breakdown of fluid, restores performance capabilities of new and used ATF, improves oxidation stability, and corrects and prevents transmission shudder and shifting problems. No codes at dealer (or on self scan/dash), total filter & fluid change. Nov 11, 2022 · This means that automatic transmission vehicles contaminate their transmission fluid faster. Or when you approach and drive up an inclined surface while keeping your car in overdrive in the process. Many drivers have reported issues like shuddering and harsh shifts with these transmissions. Apr 18, 2020 · Best transmission additive can extend the life of your gearbox, reduce slipping, fix shudder or stop leaks. Endurance supreme coverage on Transmission Flare: An Overview What is Transmission Flare? A transmission flare occurs when there is a temporary loss of power during gear shifts, causing engine RPM to spike. The shudder feels much like an engine misfire, or that the car is driving over rumble strips on the road. The shudder is typically noticeable at the 40 to 50 mph range. i think it comes from my automatic transmission. Aug 14, 2019 · As of July 8th, 2019, GM began using a new type of Mobil 1 automatic transmission fluid for the troublesome transmissions. Aug 27, 2023 · Discover the causes and expert solutions for shuddering transmissions in this detailed guide. Feb 12, 2023 · If your automatic or manual transmission is shifting hard, don't panic. But I'm still a bit confused about the shudder and hard shift issues with the 8 speed. Finding the best additive for your transmission can help ensure smooth operation, improving both your driving experience and overall vehicle safety. The 6L80 has unique operations, such as an advanced computer controller constructed into the valve body and a direct clutch to clutch shifting. According to the referring shop, the vehicle had just received a replacement transmission, but the symptoms persisted exactly as before. Jan 24, 2024 · During light / steady acceleration it would shudder in 3rd or 4th gear around a shift point, unless I disengaged the accelerator or stepped on it to "push it over" the shudder. Is it all model years The Jilcat Proline Automatic Transmission Supplement has stopped the shudder in many auto transmissions. I’ve cleaned the MAF sensor with no change. If I lift then Apr 25, 2025 · The causes of 2014 Ford Focus transmission shudder issues include a worn or damaged torque converter, low transmission fluid, worn or damaged transmission gears, worn engine mounts, a faulty transmission control module, clogged transmission filters, or a bad solenoid valve. So I brought it to two dealers. If left Jun 24, 2025 · Learn the most likely causes of transmission shudder, how to pinpoint the source, and how much it's going to cost to fix. In our review, we first took the Lubeguard The Jilcat Proline Automatic Transmission Supplement has stopped the shudder in many auto transmissions. Automatic Transmission Supplement – This product is for the pneumatic or multi-gear shifting transmissions. Understanding Experiencing juddering in your automatic transmission car can be a frustrating and concerning issue. The product was made to terminate locked up shudders and has the ability to minimize wear which other product may not do. ) It has progressively gotten worse and worse, little by little. Sep 19, 2011 · 1997 - 2003 F150 - shake/shudder at low RPM (mostly after immediately shifting in to OD at around 40mph) - My 2001 F150 5. The FORD and CHEVROLET truck tranny's have been shuddering for years and without much expense or effort you can add a bottle of the Jilcat Proline Automatic Transmission Supplement and smooth out that transmission for many miles to come. This time on Stefans Honda CRV i will try to fix the vibration problem i have had for the last year. These additives are said to fix minor problems and improve performance. Dec 4, 2018 · The air in the fluid will mean that the operating pressure of the transmission will be thrown off, causing for the car to shift harshly and shudder. Nov 9, 2023 · Transmission shudder is a very common problem that can occur in all types of cars, trucks, and SUVs with automatic transmissions. Nov 6, 2022 · 2020 Trailboss 5. No more hesitations or flare-ups when shifting from 2nd to 3rd gear. Does your transmission shift “hard” or have a shudder between certain gears as you drive? A concentrated friction modifier formulated specifically for eliminating torque converter shudder problems instantly! It is packaged in a uniquely engineered two ounce application tube, LUBEGARD's Instant Shudder Fixx™ is compatible with conventional or synthetic automatic transmission fluids. Jun 22, 2023 · Transmission shudders seem worse than they actually are. Generally you can fix it with a simple transmission fluid flush. While it is known for its reliability, like any mechanical component, it can experience problems over time. Especially when just starting out from a stop. 4L XLT SuperCab (automatic transmission) has had this problem since i got it (about 8000 miles ago. Combine this with a fresh OEM fluid and even BG ATC Plus® Automatic Transmission Conditioner helps prevent deposit formation and fluid breakdown. Apr 4, 2023 · You need to know that your fluid could cause a TC shudder, so you may consider replacing it with new fluid of the correct type before condemning the transmission. This occurs because the transmission fluid is contaminated and the contaminates, being suspended in the fluid, prohibit good pressure contact between the Apr 27, 2014 · Fixed: Automatic Transmission Shudder or "Shake" When Shifting From 2nd to 3rd This is my first post, and I would like to share with you what I consider a money-saver for a problem I had which I feared would have cost me much more. Let’s break down what’s happening inside your Car shuddering, that unsettling vibration you feel throughout your vehicle, can be a frustrating and potentially serious problem. Occasionally it will shudder when at low rpm and starting to accelerate. Additionally, it reduces noise and chattering, resulting in a quieter driving Defect Apr 9, 2025 · Transmission Shudders often signal underlying issues within the torque converter clutch or transmission system. Anything else to check? Thanks. Jul 21, 2022 · A lot depends on how many miles you drove with the shudder. I had the flush last summer and no problems since then. Apr 25, 2024 · Looking for transmission additives? Our team of experts narrowed down the best transmission additives on the market. Issue: Some 2019-2021 Edge and 2019-2020 Nautilus vehicles built on or before 11-Mar-2021 and equipped with a 8F35 transmission may exhibit a shudder/buck/jerk while driving up to 35 mph (57 km/h). If the surfaces of the converter cover are uneven, like uneven surfaces in a manual transmission clutch or even brake rotor surfaces, you will have vibration/shudder when applied. 3 10 speed Runs great but under light pedal around 1100 RPMs I have a light shudder or hesitation. The best thing to do is to stop operating your truck and call a tow service to help you take it to your dealership or an auto repair shop. Here's a guide on what could be causing the issue and how to fix it. A simple fluid change might fix your transmission problems. It was designed for both AWD/4WD and RWD General Motors applications. May 6, 2025 · Replacing a transmission is expensive, so it's best to take care of the one you've got. My truck has 148k miles, and I replaced the sparkplugs (again) at 134k miles so I did not expect the engine to be the source of PRODUCT DESCRIPTION expansible panel LUBEGARD Instant Shudder Fixx is a concentrated friction modifier formulated specifically for eliminating torque converter clutch shudder problems INSTANTLY in automatic transmissions. The 6-speed automatic transmission (particularly the 6L80/6L90 series) has developed quite a reputation among owners—and not the good kind. In this article, we’ll delve into the common causes of car shuddering related to transmission issues, how to diagnose the problem, and potential solutions. Jan 22, 2025 · Read on this site about the transmission shudder and other fluid related issues so I decided the transmission could be the culprit. Jun 23, 2024 · Learn all about transmission shudders in vehicles - from common symptoms and causes like low fluid and worn components to diagnostic techniques using tools and fluid analysis. Aug 13, 2019 · The 8-speed GM transmission has often been criticized for exhibiting shuddering and harsh shifts, but a new fluid flush may fix the issue outright. 4 days ago · Drivers of Chevrolet, GMC, and Cadillac vehicles have reported transmission shuddering, jerking, slipping, and delayed shifting linked to GM’s 8-speed and 10-speed automatic transmissions. Also having bad transmission solenoid or transmission body or transmission torque converter can cause transmission to have shudder vibrations. To try to mitigate the cost if it wasn't the transmission I siphoned out 6 quarts through the plug on the passenger side right beside the cat. May 22, 2023 · Transmission shudders in reverse, seems to slip through 3rd into 4th gear unless I go heavy on accelerator into shift, then it holds. Nov 16, 2007 · First of all - my post thread title is misleading, sorry about that. Read this review and save yourself time and money. Mar 29, 2024 · Torque converter shudder isn't a big deal. Aug 30, 2023 · The transmission shudder only occurs when you are shifting your car in overdrive (or a higher gear). Apr 5, 2016 · Automatic Transmissions Step 1 – Shudder Some Camaro owners with automatic transmission have experienced shudder in lower speeds. Apr 8, 2025 · Ever noticed your GM truck shuddering when you accelerate? Or maybe it’s slamming into gear with enough force to spill your coffee? You’re dealing with a notorious issue in many GM vehicles. If you experience the shudder move the shifter to L/M, the trans wel down shift 1 gear, 8th to 7th and the shudder should stop. Regular 5K OCI. The Jilcat Proline Automatic Transmission Supplement has stopped the shudder in many auto transmissions. Common Causes of Automatic Transmission Lurching ForwardAn automatic transmission is designed to provide a smooth and seamless driving experience. The FORD and CHEVROLET truck tranny's have been shuddering for years and without much expense or effort you can add in one bottle of the Jilcat Proline Automatic Transmission Supplement and smooth out that transmission for many miles to come. This issue is most commonly associated with automatic transmissions and can be the result of various factors, including low fluid levels, worn clutches, or faulty solenoids. Common Causes of a Transmission Shudder When your vehicle starts to shake convulsively, it may seem like your transmission is significantly damaged and about to shut down Sep 16, 2023 · Transmission shudder, also known as torque converter shudder, is a problem that can happen in vehicles. However, I'm now starting to feel a shudder/vibration when accelerating slowly. 42000 mi. In short, my problem was an automatic transmission shudder Mar 10, 2017 · About this item Transmission Repair: Instantly fix transmission slips and shudders. Learn how to diagnose and fix automatic transmission shudder, ensuring smooth driving and long-lasting vehicle performance. Just to give you a good idea Dec 3, 2020 · General Motors has initiated a pilot program to repair or replace the automatic 9T65 9-speed transmission that is found in a variety of its crossover models. Jun 1, 2017 · Malfunctioning mounts are notorious for causing a wide variety of vibration complaints including what is often thought of as a converter clutch vibration, judder or shudder; particularly so with vehicles that perform cylinder deactivation for fuel economy. Customers that complain of shuddering and harsh shifting characteristics in the 8-speed GM transmissions are recommended for a trans fluid flush. What Causes Shuddering when Accelerating? Oct 29, 2024 · Are you having trouble with your GM vehicle's 8-speed transmission? You're not alone. . May 31, 2022 · The application use of the 6L80 transmission has been extensive over the years. The shuddering can range from mild to severe and typically goes away once the car reaches higher speeds (usually above 35 mph). Common Causes of Transmission Shaking at a Stop Torque Converter Issues⁚ The torque converter is a fluid coupling that connects the engine to the transmission․ When it malfunctions, it can cause the transmission to slip or shudder, particularly at low speeds or when stopping․ Oct 18, 2022 · Is It Safe to Drive with Transmission Shudder? It isn’t safe to drive with a Chevy Colorado transmission shudder in any situation. Mar 19, 2023 · Regarding your car’s transmission, a CVT judder can be a real pain. Usually run 89-91 octane. Oct 11, 2019 · 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. The new blue label fluid seems to fix the vast majority of these 8l45's. The torque converter, a critical part that helps transmit power from the engine to the transmission, is often the main reason behind this shaking. May 2, 2025 · Sooner or later, you may encounter issues with your gearbox. While many factors can contribute to this issue, transmission problems are often a culprit. To minimize the chances of your vehicle experiencing transmission shudder, consider getting transmission service every 60,000 to 100,000 miles. Dec 16, 2024 · Read this article to learn what causes a transmission to shudder, the common fixes, and how to prevent this problem. Jul 5, 2023 · In case you are having a shudder problem via your automatic transmission, the Lubegard 19610 is what will fix your problem fast. While fluid changes may offer temporary relief, a comprehensive inspection is essential for long-term performance and durability. This phenomenon, which is also known as ‘gear slip’ or ‘torque converter shudder,’ occurs when the continuously variable transmission of your vehicle experiences sudden slipping motions, resulting in a noticeable and unpleasant jerking sensation. Mar 16, 2025 · Introduction The Dodge 62TE transmission is a popular automatic transmission used in various Dodge vehicles. Discover maintenance tips, solutions, and upgrades to prevent shudders for smoother rides and a longer-lasting transmission system. To properly Aug 29, 2023 · If your Dodge Caravan transmission is experiencing shifting problems, you might have issues like shuddering, gear slippage, and harsh shifts. In this article, we will explore some common problems that can occur with the Dodge 62TE transmission, the symptoms and signs to look out for, the potential consequences of Jul 26, 2024 · Bud's Auto Repair & Transmission explains common causes of automatic transmission shaking, from low fluid to worn parts. However, sometimes your car might lurch forward unexpectedly, creating a jarring and uncomfortable ride. 7L Power Stroke diesel and 6R140 automatic transmission arrived at our shop with a customer complaint of harsh shifting. The gearbox Dec 1, 2017 · I have an intermittent issue with my Automatic transmission. Surface Restoration: Our formula fortifies and replenishes worn surfaces, significantly enhancing operational reliability. So for the past 3-4 k miles I was experiencing a shudder / jerking / kicking in the drivetrain. The first one said they noticed the transmission seemed to get 'stuck' in the lockup, but they thought it's not a big deal. ADDRESSING TRANSMISSION ISSUES Knowing the causes behind a car shifting harshly or shuddering is going to help you in understanding what needs to be done to stop the problem. Nov 3, 2023 · 8-Speed Automatic GM Transmission Problems Shudder 1 reading Jump to Latest 99K views 55 replies 36 participants last post by Bubbanbrenda1 6d ago Mar 11, 2023 · Learn about transmission shudder and the causes behind it, from contaminated transmission fluid to worn-out torque converters, as well as how to diagnose and repair shuddering transmissions with the help of a professional mechanic or auto shop service center! Oct 6, 2021 · A 2015 Ford F-350 equipped with the 6. uuc hgist fwxtpoi xbnnt nxaqm pls wgon enp kamjgw vkp sodkv uzwzlru yfboc qgwcr qotdx