1985 Transportation MC9 recalls

THE PINCH BOLT USED TO CLAMP THE STEERING DRIVE SHAFT YOKE TO THE STEERING GEAR BOX SHAFT MAY HAVE INSUFFICIENT TORQUE. CONSEQUENCE OF DEFECT: IF THE PINCH BOLT HAS INSUFFICIENT TORQUE, THE BOLT WILL WEAR TO THE EXTENT THAT LOSS OF INTERFACE WITH THE GROOVE IN THE STEERING BOX WOULD OCCUR, ALLOWING THE STEERING DRIVE SHAFT TO SLIP OFF AND RESULT IN LOSS OF STEERING AND A POTENTIAL CRASH.

Remedy

INSTALL NEW PINCH BOLTS, AS NECESSARY, AND RETORQUE TO 40-45 LB./FT.

SYSTEM: STEERING/PINCH BOLT.VEHICLE DESCRIPTION: INTERCITY COACHES.

THE CENTER AXLE MOUNTED STEERING GEAR NECESSITATES THE USE OF LONGER TIE ROD ARMS. THESE ARMS COME IN CLOSER PROXIMITY TO THE FRONT TIRES THAN BUSES NOT HAVING THE CENTER AXLE MOUNTED STEERING GEAR. CONSEQUENCE OF DEFECT: THE LONGER TIE ROD COULD SCUFF THE FRONT TIRE, WHICH COULD RESULT IN TIRE FAILURE AND POSSIBLE LOSS OF VEHICLE CONTROL.

Remedy

REPLACEMENT OF TIE RODS ON BUSES FOUND TO HAVE TIRE CLEARANCE PROBLEMS.

VEHICLE DESCRIPTION: BUSES MC-9 TAB, 96A2.SYSTEM: STEERING/TIE RODS.

THERE MAY NOT BE PROPER ENGAGEMENT BETWEEN THE MALE TAPER OF THE BALL STUD AND THE FEMALE TAPER OF THE PITMAN ARM.

Consequence

STEERING DRAG LINK COULD LOOSEN AND DISENGAGE FROM THESTEERING GEAR PITMAN ARM, AND RESULT IN A TOTAL LOSS OF STEERING CONTROL.

Remedy

REPAIR TO ENSURE THAT COACHES HAVE A GOOD, TIGHT PITMAN ARM/DRAG LINK JOINT.

SYSTEM: STEERINGVEHICLE DESCRIPTION: METRO TRANSIT COACHES.