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GM remembers 3.4 million pickup, SUVs to fix the braking problem



The problem has resulted in 113 accidents and 13 injuries, although no fatalities have been reported, GM spokesman Dan Flores told CNN.

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"General Motors voluntarily recalls certain 2014-2018 model year Cadillac Escalade, Chevrolet Silverado, Chevrolet Suburban, Chevrolet Tahoe Sierra and GMC Yukon vehicles for a condition related to increased brake pedal effort, "GM said in a statement. "In rare cases, these vehicles may have a condition where the engine-mounted mechanical vacuum pump output can decrease over time, reducing the amount of vacuum / power brake assist."

As the pumps in the power auxiliary brakes put out less vacuum power than necessary, "customers may experience increased brake pedal effort, hard brake pedal and / or potentially increased stopping distance."

All these problems can increase the risk of a crash.

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Flores says that the problem is more prevalent at low speeds when using the brakes softly and that the brakes continue to work and exceed the requirements of the Federal Motor Vehicle Safety Standard. [19659005MenNationalHighwayTrafficSafetyAdministration(NHTSA)beganinvestigatingthecaseinNovemberandGoodworthyContactwithNHTSAiflearthmonthcase

NHTSA did not respond to a request for comment via email and phone.

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

"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 booster auxiliary function when the vacuum assist is discharged," Flores said.

The dealers will calibrate the electronic brake control module at no cost to the customers.


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