San Francisco. Ford Motor has issued a recall notice for about 42,000 Super Duty F250 and F350 trucks in the US over a mechanical issue that could increase the risk of a crash.
According to the National Highway Traffic Safety Administration (NHTSA), the left rear axle shaft on affected models may have been improperly treated during production and may break.
The recall involves 2023 models equipped with a single rear wheel and a 10.5-inch rear axle shaft.
“A broken rear axle may result in loss of motive power and the inability to place the vehicle in park,” NHTSA said. “If the parking brake is not applied, it may result in unintended vehicle movement, resulting in injury.” Or the risk of accident may increase.
According to the notice, the failures were brought to Ford’s attention on August 10 after the US-based Kentucky truck plant identified the problem through warranty claim monitoring.
“The two axle shafts returned through warranty were sent to Ford’s metallurgical lab for failure analysis,” the NHTSA report said.
“Laboratory analysis determined that the axle shaft fracture area did not meet Ford’s torsional yield and case depth design specifications. Each of the warranty returned parts was fractured approximately 44 mm from the flange, which Indicates an area of incomplete induction heat treatment.”
As of August 14, there were seven warranty reports linked to the axle shaft problem. On August 18, Ford’s Field Review Committee approved a field action.
In July, Ford issued a recall notice for 870,701 F-150 trucks in the US that may have a wiring issue with their electric parking brakes.
In a safety recall report to NHTSA, the automaker said the rear axle wiring harness bundle could contact the rear axle housing in affected vehicles, causing unexpected activation of the electric parking brake.
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