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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.

Corvette Z06 and Viper TA square off at the strip

There are many long-standing grudge matches among automobiles: 911 vs GT-R, Mustang vs Camaro, Ferrari vs Lamborghini... but as far as high-end American metal goes, it doesn't get much more legendary than Viper vs 'Vette. So after Chevy released the new Corvette Z06, we knew it was only a matter of time before it would have to square off against the Viper TA. And what better place to pit these two parallel pillars of American performance than on the drag strip? Fortunately that's just what we have here. In one corner, the 2014 Dodge Viper TA, with its 8.4-liter V10 pumping out 640 horsepower and 600 pound-feet of torque. In the other, the 2015 Chevrolet Corvette Z06, the supercharger on its 6.2-liter V8 more than making up for the discrepancy in displacement and cylinder count to produce 650 hp and just as much torque. But numbers don't tell the whole story, so watch the video clip to see which reaches the end of the quarter-mile first. News Source: To the Floor via YouTubeTip: James Chevrolet Dodge Videos drag race chevy corvette z06 quarter mile drag strip srt viper ta

Chevy Bolt EV, Chrysler Pacifica, Honda Ridgeline take 2017 NACTOY prizes

Every year the 2017 North American International Auto Show kicks off with the North American Car of the Year Awards. We say "awards" after all those mentions of our home continent because it's not just cars. This year, in fact, the awards spread out to three separate honors: Car, Truck, and Utility. And without further ado, here are the winners. The 2017 Chevrolet Bolt EV is the Car of the Year, the Honda Ridgeline is the Truck of the Year, and the Chrysler Pacifica is the Utility of the Year. Honda's win is perhaps the biggest surprise, upsetting favorite the Ford F Super Duty for the win. The second-generation Ridgeline rides on a unibody platform and is offered in front- or all-wheel-drive, which is unconventional for a pickup. But the layout also offers a cargo bed with an in-floor trunk and solid fuel economy figures of 19 city, 26 highway in its most-efficient form. The Chevy Bolt EV, however, was probably the easiest winner to predict. Its 238-mile range and sub-$30,000 starting price after tax credits make it a breakthrough in the landscape of electric vehicles. With the Chrysler Pacifica available in a plug-in hybrid form, this year's award illustrates the industry's shift towards efficiency and electrification. And with Ford's recent announcement on future EVs, it might not be long will it be until we see a hybrid truck on the award stage as well.Related Video: