General Motors is recalling 3.46 million examples of its largest models over brake degradation. The culprit is a wheezing vacuum pump that gradually loses its ability to function over time, resulting in underperforming brakes. Affected vehicles include all of GM’s big boys, including the Cadillac Escalade, Chevrolet Silverado, Chevrolet Suburban, Chevrolet Tahoe, GMC Sierra, and GMC Yukon from the 2014-18 model years.

The recall was preceded by a preliminary investigation from the National Highway Traffic Safety Administration, which launched in 2018 after reports of crashes and a couple of injuries surfaced. In December, GM followed up by extending warranty coverage for vacuum pump replacements for the suspect vehicles. The NHTSA sent its findings off to General Motors last July, but not before the automaker had recalled 310,000 vehicles in Canada over the same issue. A safety bulletin was issued in the United States this month.  (Read More…)