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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.

Submit your questions for Autoblog Podcast #313 LIVE!

We record Autoblog Podcast #313 tonight, and you can drop us your questions and comments regarding the rest of the week's news via our Q&A module below. Subscribe to the Autoblog Podcast in iTunes if you haven't already done so, and if you want to take it all in live, tune in to our UStream (audio only) channel at 10:00 PM Eastern tonight.
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GM announces four new recalls, 507k vehicles affected

428,211 of these vehicles are located in the United States, 57,706 are in Canada, and 20,956 are in other markets. In its seemingly never-ending string of recalls, General Motors today announced four new campaigns covering some 506,873 vehicles. 428,211 of these vehicles are located in the United States, 57,706 are in Canada, and 20,956 are in other markets. First up is the 2013-14 Chevrolet Cruze, which is being recalled because "the inflator in the driver's front airbag may rupture and/or the airbag may not inflate during airbag deployment," according to GM. This could shoot metal pieces of the inflator into the cabin, injuring occupants during a crash. What's more, GM says that if the airbag does not inflate, this could, obviously, increase the risk of injury to the driver. A total of 29,019 Cruzes are affected in the United States, with an additional 4,066 units being recalled in Canada. The largest of the four recall campaigns involves four-wheel-drive versions of the 2014-15 Chevrolet Silverado and GMC Sierra, as well as the 2015 Chevy Tahoe, Suburban, GMC Yukon and Yukon XL. A grand total of 392,459 vehicles are affected in the US, with 53,607 more found in Canada, and an additional 20,874 in other markets. Here, the transfer case "may electronically switch to neutral without input from the driver," GM states. The automaker adds that if this occurs while the vehicle is moving, power will not be sent to the wheels. On top of that, if the vehicle is parked, it may roll away unexpectedly if the parking brake has not been set. In smaller recall news, 4,794 2013-14 Chevy Caprice police cars and SS sedans are being recalled in the US. According to GM, "If the motor gear teeth become stripped, the wipers may not operate" in these models. Lastly, 1,939 2014 Chevy Corvettes fitted with the FE1 or FE3 suspension are being recalled in the US "to repair a possible insufficient weld in the rear shocks that could lead to a fracture and/or reduce the shocks' service life." In Canada, 33 additional vehicles are affected, as are 82 more 'Vettes that were exported to other markets. General Motors is aware of one injury regarding the Cruze recall, and is not aware of any crashes or injuries in the other three recalls. Scroll down for the automaker's official release. GM Announces Four Vehicle Recalls DETROIT – General Motors (GM: NYSE) today announced four safety recalls covering 428,211 vehicles in the United States.