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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.

2016 Cadillac ATS-V blasts into LA

The first details about the 2016 Cadillac ATS-V recently hit the web ahead of the official debut at the 2014 Los Angeles Auto Show. Now, the latest model to wear Caddy's high-performance V moniker is officially official, and the specs are even better than initial rumors suggested.
The latest figures actually give the ATS-V a hair more power than first believed, with 455 horsepower and 445 pound-feet of torque pumping out of the twin-turbocharged 3.6-liter V6. With a standard electronic limited-slip differential keeping rear wheels in check, Cadillac claims that the model sprints to 60 miles per hour in 3.9 seconds and on to a top speed of 185 mph. Buyers have two transmission choices that both offer launch control: a six-speed manual featuring Active Rev Match and no-lift shifting, or an eight-speed automatic.
Thoroughly revised suspension and braking systems should also mean that the ATS-V excels at more than just going in a straight line. The chassis itself receives extra bracing to boost overall stiffness by 25 percent over lesser ATS models. On top of that, a host of suspension upgrades front and rear, including third-generation Magnetic Ride Control dampers, mean quicker steering response and a tighter ride. Plus, Brembo six-piston calipers up front and four-pistons in the rear should bring rapid deceleration. To tune it all to the driver's whim, the Performance Traction Management system gives five settings to choose from for stability and traction control.

Cadillac ATS-V Coupe caught undisguised ahead of LA reveal

Vsport versions of the CTS and XTS sedans are all well and good, but what Cadillac enthusiasts have really been looking forward to is the arrival of the next full-on V model. And here we have it.
Spied in the nude during an apparent photo shoot ahead of its anticipated debut at the fast-approaching Los Angeles Auto Show, the upcoming new Cadillac ATS-V Coupe is set to pick up where the old CTS-V left off, only in a more compact form. Unlike previous spy shots of heavily disguised prototypes, this final version is showing a chrome-framed mesh grille, along with a deep lower air dam with what looks to be a carbon-fiber front splitter. That bulging hood with heat extractor vents is tipped to be packing a twin-turbo V6 engine, breathing out of quad exhaust tips.
The aggressive aero kit also encompasses side skirts, a reshaped rear bumper and a lip spoiler on the truck, while the upgraded rolling stock wears serious low-profile rubber and the brakes appear to be carbon-ceramic units. Peer through the window and you can even see the sport bucket seats with slots for racing harnesses. All of which suggests a serious American challenger to the BMW M4 and its ilk, and we're looking forward to seeing the vehicle in the metal in LA next month.