GM recalls 3.8 million pickup trucks and SUVs in the US and Canada due to brake failure
According to the US ABC news on September 11, under the pressure of the federal government, General Motors recalled nearly 3.8 million large pickup trucks and SUVs in the United States and Canada to solve the brake problem.
According to General Motors, there have been 113 accident reports and 13 injuries.
Car recalls range from 2014 to 2018 for the Chevrolet Silverado and GMC Sierra 1500, 2500 and 3500 pickup trucks.Also included are Cadillac Escalade from 2015 to 2017, and GMC Yukon and Chevrolet Suburban and Tahoe from 2015 to 2018.
General Motors said that as the car ages, the brake booster pump delivers less vacuum power than needed, and the brake distance and risk of collision increases.
The company recalled 3.46 million vehicles in the United States and recalled 310,000 vehicles in Canada in June.General Motors said that the global recalled car data has not yet been announced.
The dealer will notify the customer from September 6th and recalibrate the electronic brake control assembly for the customer for free.
The National Highway Traffic Safety Administration (nhtsa) began investigating this issue in November last year. A total of 111 owners complained that the brake performance was poor.At that time, the agency said that there were a total of nine reports of car accidents and two people were injured.
General Motors says these problems are rare and mostly occur at low speeds, such as driving a car in a parking lot.General Motors spokesman Dan Flores said that even with this problem, the brakes will "continue to function and exceed the requirements of the corresponding federal motor vehicle safety standards."
The vacuum pump is lubricated with the engine oil of the flow filter.Flores said that in some trucks, sludge or other debris can clog the screen, reducing oil flow and causing the pump's vacuum output to drop.He said that these trucks have a dynamic brake assist system that will work when there is a problem with the main system, but the auxiliary system will be limited at low speeds.Reprogramming will activate the secondary system faster.
Flores said that General Motors did not replace these pumps because the pump failed very little and was already under extended warranty."This remedy will improve braking performance in the event of any brake vacuum drop."
The recall was conducted 10 months after the investigation of NHTSA and after more than two months of recall in Canada.When asked why it took so long to recall, Flores simply said that the company has been working with and providing data to the National Highway Traffic Safety Administration.He said that even without the investigation of NHTSA, GM will carry out a recall.
If the truck experiences a vacuum pump failure, the driver may feel the brake pedal vibrating or the pressure change required to depress the brake pedal.Flores said that if the problem occurs, the owner will see a message on the dashboard telling them to repair the brake assist system.
Flores said that despite the large number of recalls, the cost would not be high enough for GM to report the incident to the US Securities and Exchange Commission, as this would not have a significant impact on the company's earnings.
GM also recalled more than 177,000 Chevrolet Malibu sedan in the United States in 2018 due to possible fuel injector failures, which have a 1.5-liter turbocharged engine.A document issued by General Motors on the National Highway Traffic Safety Administration website on Wednesday said that software errors could damage the data of the computer that controls the engine, which could cause the computer to send a signal that disables the fuel injector, the engine may not start, or In rare cases, it may break down without warning.
General Motors began investigating last year because the control engine's computer replacement warranty claims were above normal.
Customers will be notified this month that the dealer will reprogram the computer that controls the engine to resolve the issue.
<September 12, 2019>
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