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GM faces possible class action lawsuit over 8-speed transmission

General Motors has been hit with a class-action lawsuit from owners who allege the eight-speed automatic transmission found in several rear-wheel-drive Chevrolet, Cadillac and GMC models between the 2015 and 2019 model years has a defect that causes the vehicles to hesitate and jerk when accelerating or slowing down. The lawsuit was posted to ClassAction.org and spotted by GM Authority. Problems with GM's Hydra-Matic 8L90 and 8L45 transmissions have been well-documented on Internet forums and via complaints filed with the National Highway Traffic Safety Administration, with many reporting damage to their vehicles. The lawsuit was first filed in December in U.S. District Court for the Southern District of Florida but appears to have been transferred recently to New York. Autoblog sought comment from Theodore Leopold, the lead attorney for the plaintiffs. "These transmissions have a common defect," the complaint reads. "Drivers attempting to accelerate or decelerate their cars feel a hesitation, followed by a significant shake, shudder, jerk, clunk, or 'hard shift' when the vehicle's automatic transmission changes gears." The problem also occurs when the vehicles accelerate in a single gear, without shifting, the plaintiffs allege. "Drivers have reported that the shift is sometimes so violent, they feel as though they have been hit by another vehicle." The problem is believed to center on the transmission, torque converter or both. The complaint says it causes undue friction, causing hydraulic systems and gears to function improperly and sometimes leaves metal shavings throughout the transmission, leading to costly repairs and replacement of parts or the entire transmission. It says GM has known about the problems since shortly after it introduced the transmissions, and has issued 13 technical service bulletins, none of which have resolved the problem. GM declined to comment on the lawsuit. The plaintiffs say GM should have warned consumers about the issues and covered repairs under each vehicle's three-year/36,000-mile bumper-to-bumper warranty. They're seeking statewide classes in at least six states: California, Florida, Illinois, New York, Oklahoma and Texas.

GM marks 500 million vehicles

General Motors is marking a major global milestone, as 500 million vehicles have rolled off its assembly lines since the company's founding in 1908. To mark the occasion, the automaker is continuing to invest in production and offering a one-time discount to some customers. GM North America boss Alan Batey used the festivities to announce the Fairfax Assembly factory in Kansas as one of the sites earmarked for the company's $5.4 billion in upcoming investments. The plant will get $174 million of that money for new equipment and technology to build the 2016 Chevrolet Malibu. Among the upgrades will be a shake-and-rattle booth that will simulate road conditions to find squeaks. To commemorate both the production milestone and the Fairfax plant, Batey and company CEO Mary Barra also gave away a 2016 Malibu to a wounded Iraqi war veteran, and the two execs announced that in the third week in May all GM employees can share a one-time customer appreciation discount with friends to help get them into the automaker's products. Barra also gave a speech to the workers there about some of the other milestone's in the company's history, which you can read below. Innovation on the Line: GM Manufacturing Milestones Many of General Motors' most important innovations have occurred behind the scenes, in its manufacturing facilities. Concepts such as changeover, flexible assembly, automation, computer simulation, machine vision and robotics were developed at GM. Over the decades these innovations have helped enable improvements in vehicle quality, efficiency and competitiveness. 1901: Ransom Olds' famous Curved Dash Oldsmobile, designed with simplicity, reliability and value in mind, was the first American car built in a factory designed specifically for automobiles and in standardized volume production. GM acquired Oldsmobile in 1908. 1908: Cadillac wins the Dewar Trophy, Europe's most prestigious award for precision and excellence in manufacturing, by demonstrating the auto industry's highest standards for precision and interchangeability of parts by disassembling three Cadillacs and mixing the parts randomly before reassembling and driving them before a contingent of judges. 1922: GM hires William Knudsen to lead Chevrolet's turnaround. Knudsen implements flexible mass production, which helps Chevrolet incorporate annual styling changes and take market share from Ford.

Consumer Reports criticizes small turbo engines for misleading performance, fuel economy claims [w/video]

Consumer Reports has taken aim at at small-displacement, forced-induction engines, saying the powerplants don't manage to deliver on automaker fuel economy claims. Manufacturers have long held that smaller, turbocharged engines pack all power of their larger displacement cousins with significantly better fuel economy, but the research organization says that despite scoring high EPA economy numbers, the engines are no better than conventional drivetrains in both categories. Jake Fisher, director of automotive testing for Consumer Reports, says the forced induction options "are often slower and less fuel efficient than larger four and six-cylinder engines."
Specifically, CR calls out the new Ford Fusion equipped with the automaker's Ecoboost 1.6-liter four-cylinder engine. The institute's researchers found the engine, which is a $795 option over the base 2.5-liter four-cylinder, fails to match competitors in acceleration and served up 25 miles per gallon in testing, putting the sedan dead last among other midsize options.
The Chevrolet Cruze, Hyundai Sonata Turbo and Ford Escape 2.0T all got dinged for the same troubles, though Consumer Reports has found the turbo 2.0-liter four-cylinder in the BMW 328i does deliver on its promises. You can check out the full press release below. You can also read the full study on the Consumer Reports site, or scroll down for a short video recap.