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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.

NHTSA investigating nearly 750,000 GM models over non-deploying airbags

Nearly 750,000 vehicles built by Chevrolet, GMC, and Cadillac are the subject of a National Highway Traffic Safety Administration (NHTSA) investigation due to non-deploying driver-side airbags. While the investigation is ongoing, the agency believes the issue is likely due to rust particles that form on the inflator's connection terminal interface. The list of nameplates included in the investigation includes Chevrolet's Silverado, Tahoe, and Suburban, GMC's Sierra, Yukon, and Yukon XL, plus Cadillac's Escalade, Escalade ESV, CT4, CT5, and XT4. All of the potentially affected vehicles are 2020 or 2021 models, according to a bulletin published on the NHTSA's website. Investigators launched the probe in April 2021 after 15 consumers reported airbag-related issues, including nine who said an airbag malfunction light appeared in the instrument cluster. More alarmingly, the NHTSA is aware of six accidents that caused significant damage to the car's front end yet didn't trigger the driver's airbag. It adds that there are no fatalities linked to the issue, but there are six crashes and eight injuries reportedly blamed on it. No evidence suggests this problem is related to the millions of potentially deadly Takata inflators recalled over the past few years. General Motors is aware of the defect. It sent a technical service bulletin (TSB) to its dealers in March 2021 to address the aforementioned warning light. The note explains the issue is due to "rust particles in the connection terminal interface of the driver's airbag inflator." The company hasn't issued a safety recall yet, however. Whether it will partially depends on the NHTSA's findings. It's currently looking into the scope and the severity of the problem, and it wants to understand its implications on driver safety. Investigators will decide whether General Motors needs to recall the 749,312 cars that are part of the probe when they close their investigation. General Motors has already spent a significant amount of money replacing defective airbag-related parts in its cars. In November 2020, it was ordered by the American government to recall nearly 6 million pickup trucks and SUVs equipped with potentially dangerous Takata airbag inflators. It repeatedly argued that testing proved the inflators were safe, and it petitioned the agency four times starting in 2016 to avoid a recall, which cost an estimated $1.2 billion (about a third of its net income in 2020).

Chevy finishes restoration of damaged 1 millionth Corvette

When a sinkhole at the National Corvette Museum devoured eight, rare examples of the iconic American sports car last year, some of the victims emerged better than others. While damaged, the 2009 Corvette ZR1 Blue Devil was able to drive out under its own power, making for a fairly straightforward restoration. Meanwhile, the one-millionth 'Vette came out looking like a pancake. Bringing the convertible back to perfection has taken four months and 1,200 man-hours, but the milestone car is finally on display again. After being a brief exhibit at the National Corvette Museum, the millionth 'Vette was moved to the General Motors Design Center. There, a 30-person team started on the difficult restoration. "When we disassembled it, we found that each employee involved in building it had signed a part of the car, which was fantastic and moving to see," said GM executive Mark Reuss. Therefore, the team tried to retain as many original parts as possible. The damage was extensive, and repairs included straightening the front sub-frame damage, patching the seats, and carefully restoring the dashboard pad to maintain the signatures below. The hood, front fascia, and side sills were replaced with parts from a donor vehicle. To keep the 'Vette perfect, the team scanned the names and put them on the new components. In one case, they even went back to an original employee to sign a replacement part. Surprisingly, the engine and transmission were fine. With the work done, the National Corvette's Museum's revived exhibit is nearly complete. Five of the other cars aren't being restored, and the museum is bringing the 1962 Corvette back to life. <p>Your browser does not support iframes.</p> Chevrolet Fulfills 1 Millionth Corvette Restoration Pledge Sinkhole-damaged milestone returns to National Corvette Museum 2015-09-03 BOWLING GREEN, Ky. – After more than four months and 1,200 man-hours of painstaking craftsmanship, restoration of the milestone 1 millionth Corvette – a white 1992 convertible – is complete. It was unveiled today at the National Corvette Museum, where it returns as part of the permanent exhibit. The car was damaged on Feb. 12, 2014, when it and seven other rare Corvettes tumbled into a sinkhole that opened beneath the museum's Skydome area. Chevrolet pledged to restore it.