How bad are the GM 8 speed transmission problems?
The General Motors (GM) 8-speed automatic transmission has been plagued with a range of issues, causing significant problems for many vehicle owners. This detailed report examines the extent of the problems, the potential causes, and the impact on drivers.
The Scope of the Issues
The GM 8-speed transmission, found in a variety of GM models, including Chevrolet, Cadillac, and GMC vehicles, has been the subject of numerous complaints and reports of malfunctions. Common problems include sudden acceleration, delayed gear shifts, transmission slippage, and even complete transmission failure. These issues can not only be frustrating for drivers but also pose serious safety concerns.
Potential Causes
Experts have identified several potential factors contributing to the GM 8-speed transmission problems:
- Design flaws: Some industry analysts believe the transmission's design may be inherently flawed, leading to premature wear and tear on internal components.
- Manufacturing defects: Quality control issues during the manufacturing process could result in faulty parts or improper assembly, causing the transmission to malfunction.
- Software glitches: Poorly designed or buggy transmission control software may be causing erratic behavior and performance issues.
- Lack of durability: The 8-speed transmission may not be robust enough to withstand the demands of everyday driving, leading to premature failure.
Regardless of the root cause, the impact on drivers has been significant, with many reporting costly repairs and safety concerns.
Impact on Drivers
The GM 8-speed transmission problems have had a substantial impact on vehicle owners. Many have reported expensive repair bills, often exceeding $3,000 to $5,000, to fix the transmission issues. Additionally, the safety concerns associated with sudden acceleration and delayed gear shifts have left some drivers feeling uneasy behind the wheel.
The widespread nature of the problems has also led to increased scrutiny from regulatory agencies and consumer advocacy groups, putting pressure on GM to address the issue more effectively.
Conclusion
The GM 8-speed transmission problems represent a troubling trend that has left many vehicle owners frustrated and concerned. While the exact causes remain under investigation, the impact on drivers has been significant, both financially and in terms of safety. As GM continues to grapple with this issue, it will be crucial for the company to take decisive action to address the underlying problems and restore confidence in its products.
What year are GM 8 speed transmission problems?
The 8 speed was introduced in the 2014 Silverado. The problem was with the ATF GM used, it was hygroscopic. GM released a TSB to exchange the ATF to a new Mobil 1 blue label ATF that corrected this issue for most 8 speeds in 2019.
Who makes GM 8 speed transmission?
GM
Designed and built by GM, the 8L90 automatic transmission offers increased efficiency and lighter weight compared to the previous 6L90 Hydra-Matic six speed transmissions.
Is the GM 8L90 a good transmission?
The 8l90 is a solid transmission. Unfortunately, most of the issues are based around the torque converter. The torque converter isn't the transmission. But even then, the issue isn't really the torque converter. It's a combination of incorrect fluid and tuning.
What years did GMC have transmission problems?
The 2014-2019 models equipped with the 6L80 and 8L90 transmissions have received a significant number of complaints, with the 2015 and 2016 model years being particularly problematic.
How to join GM 8-Speed Transmission class action lawsuit?
Models. This information is Ty speically outlined in the lawsuit's. Details you can find this information through legal notices or the law firm's website handling.
How long do GM 8 speed transmissions last?
Typical GM transmissions live about 150-180K miles before they need a rebuild.
What is the lawsuit against GMC 8 speed transmission?
The lawsuit claims these vehicles suffer from significant transmission issues, including shuddering and shaking in higher gears and hesitation and lurching in lower gears, even after attempted repairs. Additionally, GM is accused of instructing dealers to reassure customers that these harsh shifts were “normal.”
Is the 8 speed transmission reliability?
Although this is reliable out the box, it does not offer good longevity or lockup quality, resulting in a very soft lockup that is known to flare during application. Heavier vehicles as well as vehicles with lots of torque are likely to experience ZF 8-Speed torque converter issues.
What is the best 8 speed automatic transmission?
The ZF 8 Speed has developed a reputation for being one of the best automatic transmission systems on the market today. Made by German supplier ZF, it has a long, decorated history of success within the automotive industry in both passenger and commercial vehicles.
Is the 8-speed transmission reliability?
Although this is reliable out the box, it does not offer good longevity or lockup quality, resulting in a very soft lockup that is known to flare during application. Heavier vehicles as well as vehicles with lots of torque are likely to experience ZF 8-Speed torque converter issues.
