It’s understood that the front steering knuckle can completely detach from the brake assembly. The NHTSA says it has received 12 Vehicle Owner Questionnaires related to the potential issue.

The steering knuckle supports both the front wheel and the entire front brake assembly. A failure at this point could lead to the upper suspension arm detaching, which would significantly increase ...

Hello Henry, tie rods are components that connect the steering rack (gearing) to the steering knuckle on each front wheel of any vehicle. When they fail, you lose steering which can cause an accident.

The car's right front wheel climbed a section of raised ground about 30 cm high, falling onto the leveled ground. When the wheel hit the ground, the knuckle cracked, according to Yu.