Federal safety regulators are investigating problems with 2.7 million General Motors full-size pickups and sport-utility vehicles after fielding more than 100 complaints with the brakes on those vehicles.
A brake vacuum pump may break down, requiring the driver to employ increased braking effort resulting longer stopping distances, according to the National Highway Traffic Safety Administration.
The safety agency has fielded 111 complaints, which include nine crashes and two injuries.
NHTSA officials said the investigation covers 2014–16 Chevrolet Silverado and GMC Sierra pickups as well as Chevrolet Suburban and Tahoe, the GMC Yukon and Cadillac Escalade SUVs from the same years.
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For now, the agency is probing the matter and has not issued a recall. That type of decision will be made at the end of the investigation. GM is monitoring complaints and warranty claims about the brakes and is working with NHTSA to evaluate them, spokesman Tom Wilkinson told the Associated Press Friday.
Any owner who has a problem with brake performance should have them examined by a GM dealer or independent repair shop, Wilkinson said. They should keep receipts because they could be reimbursed for repairs if there is a recall, he added.
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In September, GM recalled more than 1.2 million full-size trucks and sport-utility vehicles to correct a steering problem causing crashes.
The company revealed that the power steering may fail and then recover due to a voltage drop in the vehicle’s electrical system. The dip makes the vehicles more susceptible to a loss of control and a crash.
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GM said it has reports of 30 incidents related to the problem, including two injuries. No deaths have been reported. The recall covered certain 2015 Chevrolet Silverado and GMC Sierra 1500 pickups as well as Chevy Tahoe and Suburban SUVs. Also affected are 2015 Cadillac Escalade and GMC Yukon SUVs.