GM recalls 3.5 million U.S. vehicles due to braking issue

Andrew Cummings
September 13, 2019

(You can also check if your vehicle is affected on this website.) While it may be frustrating to have to take your auto into the shop, having your brakes fail would be far more frustrating.

General Motors is recalling almost 3.8 million large pickup trucks and SUVs in Canada and the US due to a problem with the brakes. Affected models include the Chevrolet Silverado and GMC Sierra and their 1500, 2500 and 3500 variants from the 2014-2018 model years, and the Chevy Tahoe, Suburban, GMC Yukon and Cadillac Escalade from the 2015-2018 model years. The move, according to Reuters, is to address a vacuum pump issue that may potentially make braking more hard, and the problem has been linked to 113 accidents and 13 injuries.

GM was prompted to take action based on field reports and customer complaint information.


The American government had been pressing the company for a recall after more than 100 crashes and several injuries related to the 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 vacuum pump is lubricated with engine oil that flows through a filter screen.

All of these issues could increase the risk of a crash.


"Dealers will reprogram the electronic brake control module in these vehicles with a new calibration that will improve how the system utilizes the hydraulic brake boost assist function when vacuum assist is depleted", Flores said. The fix is free of charge, too.

GM also told NHTSA that earlier models used a different brake assist system design, and cars manufactured after 2018 were not equipped with the affected pump design.


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