NHTSA recall 77V224000
Service brakes, air › Supply › Hoses, lines/piping, and fittings
White Truck Road Commander 2
The defect
On the involved vehicles, the service and supply lines may have been switched on the rear axle anti-skid control valve during vehicle assembly. This fails to conform with the pneumatic timing requirements of federal motor vehicle safety standard no. 121, "air brake systems".
The remedy
Dealer will inspect and will connect the service and supply lines correctly.