United States 00V428000
THOMAS BUILT BUSES, INC.
The problem
VEHICLE DESCRIPTION: SCHOOL AND TRANSIT BUSES EQUIPPED WITH AIR BRAKES AND A TRW STEERING GEAR. THE PINCH BOLT ON THE PITMAN ARM CONTACTS THE EXHAUST PORT ON THE AIR BRAKE TREADLE VALVE DURING STEERING MANEUVERS.
Risk
THIS COULD RESULT IN INCREASED STEERING EFFORT OR AN OVER-STEER CONDITION.
What owners should do
DEALERS WILL ADD A SPACER UNDER THE BRAKE VALVE TO PROVIDE SUFFICIENT CLEARANCE.
Units 557