SERVICE BRAKES, AIR:CONTROLS:FOOT CONTROL/VALVE
May 2, 1988
7 units potentially affected
The defect: A PRESSURE PROTECTION VALVE WAS OMITTED IN FRONT AIR BRAKE PLUMBING THAT IS REQUIRED BY FMVSS 121.
The risk: IF A LEAK DEVELOPS IN THE AIR BRAKE PLUMBING, AIR INFRONT BRAKES WOULD NOT BE PROTECTED.
The remedy: INSTALL PRESSURE PROTECTION VALVE.
THOMAS BUILT BUSES, INC.View on NHTSA.gov