DETROIT—U.S. freeway security regulators have opened an investigation into a couple of half-million semis with brakes that may catch fire.
The Nationwide Freeway Visitors Security Administration says in paperwork posted on its web site Tuesday that it has 11 complaints about brakes made by Haldex Industrial Car Techniques, together with seven fires. No accidents have been reported.
The complaints say issues occurred totally on Kenworth and Peterbilt semis. The company is investigating brakes from the 2015 by means of 2020 mannequin years.
NHTSA says the investigation covers sure Haldex Gold Seal brake chambers, which convert compressed air right into a mechanical power that stops the vehicles. It says a spring can fracture, puncturing a diaphragm and inflicting air loss. That may make the brakes drag with out warning to the driving force and ultimately trigger fires.
The fires induced in depth harm to the vehicles and in some instances the cargo, the company says. NHTSA says it has realized that a number of truck fleets have been having points with the brake chambers. It says Haldex has changed brake chambers on some automobiles within the fleets.
NHTSA says it’s going to decide how typically the issue occurs and what fashions it impacts. An investigation can result in a recall.
Messages have been left Tuesday looking for remark from Haldex, which has its U.S. headquarters in Kansas Metropolis, Missouri.