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GM recalls 3.8 million vehicles in North America due to braking issue

WASHINGTON — General Motors Co said Wednesday it was recalling 3.46 million U.S. pickup trucks and SUVs to address a vacuum pump issue that could make braking more difficult and that has been linked to 113 accidents and 13 injuries. The recall covers 2014-2018 model year vehicles, including some Cadillac Escalade, Chevrolet Silverado, Chevrolet Tahoe, GMC Sierra, Chevrolet Suburban and GMC Yukon vehicles. In late June, GM recalled 310,000 vehicles in Canada for the same issue. GM did not immediately explain why the Canadian recall occurred more than two months before it called back the vehicles in the United States. The recall was triggered because the amount of vacuum created by the vacuum pump may decrease over time, GM told the National Highway Traffic Safety Administration (NHTSA) in documents posted on Wednesday. The NHTSA opened a preliminary investigation into the issue last November, and said it had reports of nine related crashes and two injuries. It provided GM in July with additional field reports that prompted the automaker to open an investigation. GM said it could affect braking in "rare circumstances." The NHTSA said in a statement the "vehicles may experience brake boost failure, which would require increased brake pedal effort, leading to a hard brake pedal feel, and potentially increased stopping distance." GM said dealers will reprogram the electronic brake control module to improve how the system utilizes the hydraulic brake boost assist function when vacuum assist is depleted. GM said the vacuum assist pump, which is lubricated with engine oil that flows into the pump through a filter screen, can in some cases lose effectiveness over time, as debris such as oil sludge can accumulate on the filter screen. GM told NHTSA that prior model years used a different brake assist system design, and vehicles manufactured after 2018 were not equipped with the affected pump design. Separately, GM said on Wednesday it is recalling 270,000 additional U.S. vehicles in three smaller recalls, including 177,000 2018 Chevrolet Malibu cars with 1.5L turbo engines because an error in the engine control module software may result in the fuel injectors being disabled.

Cadillac V-Performance Academy joins free driving school party

Just in case you needed another reason to want one of Cadillac's hottest performers, starting with the 2017 Cadillac CTS-V and ATS-V, the first owner of each vehicle can score a free two-day course at Spring Mountain Motor Resort with the V-Performance Academy. According to Spring Mountain's website, the V-Performance Academy "is designed for drivers of all experience levels and includes dynamic car control exercises, visual skill development, and proper cornering techniques," with "brief" classroom sessions sprinkled in. Driving programs like the V-Performance Academy are all the rage right now. In the last few weeks alone, both Fiat and Ford announced free one-day academies baked right into the price of cars like the 124 Abarth and Focus RS. As with the Ford and Fiat courses, Cadillac is providing the learner cars. But where those other courses call on vehicle owners to shell out for airfare, food, and in Fiat's case, lodging, Cadillac covers tuition – a $2,420 expense for non-owners – along with two nights in one of Spring Mountain's "luxury condominiums" and breakfast and lunch during both driving days. Students are still on the hook for airfare, although Caddy will shuttled attendees from Las Vegas McCarren to the track/resort, some 55 miles away. If you can't shell out for the flight to Las Vegas, a new CTS-V or ATS-V, or simply can't spare two days for a driving school, Cadillac is ramping up for another year of its one-day, traveling V-Performance Lab, which will run at Lime Rock Park in Connecticut and at Circuit of the Americas in Texas. Related Video:

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.