Transportation MC9 recalls by model year

Reported: 1981-01-02 (January 2, 1981) · Model years: 1978, 1979, 1980

ROOF HATCHES MAY BE PROPPED OPEN TO ALLOW FOR FRESH AIR VENTILLATION. THE PROP MECHANISM WAS DESIGNED TO DISENGAGE WHEN FULL OPENING OF THE HATCH IS REQUIRED TO EXIT. THE RELEASE BUTTON THAT DISENGAGES THE PROP MECHANISM MAY REQUIRE EXCESSIVE FORCE TO RELEASE, WHICH FAILS TO CONFORM TO THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 217, "BUS WINDOW RETENTION AND RELEASE".

Remedy: NEWLY DESIGNED PROP MECHANISM WILL BE INSTALLED TO REPLACE EXISTING PROP MECHANISMS. PARTS WILL BE SUPPLIED AT NO CHARGE AND LABOR WILL BE REIMBURSED.

Reported: 1983-01-01 (January 1, 1983) · Model years: 1979, 1980, 1981, 1982, 1983

BECAUSE OF MISALIGNED LATCH AND LOCK COMPONENTS, CERTAIN SIDE WINDOW ASSEMBLIES MAY NOT COMPLY WITH FEDERAL MOTOR VEHICLE SAFETY STANDARD 217, "BUS WINDOW RETENTION AND RELEASE". A WEAR PATTERN MAY BEGIN TO FORM ON THE WINDOW HINGE WHICH MAY CAUSE EXTREME DIFFICULTY IN OPERATING THE RETENTION MECHANISM.

Remedy: THE DEFECT MAY BE CORRECTED BY INSPECTING, CLAMPING A TOOL ONTO THE WINDOW ASSEMBLY STRIKER PLATE, AND SETTING THE PROPER GAP BETWEEN THE WINDOW RETENTION MECHANISM AND THE STRIKER PLATE. THE SPECIFIC PROCEDURE TO CORRECT THE PROBLEM DEPENDS ON THE MANUFACTURER OF THE WINDOW ASSEMBLY.

Reported: 1981-05-26 (May 26, 1981) · Model years: 1980, 1981

A NUMBER OF BUSES HAVE INCORRECT WIRE INSTALLATION FOR THEIR 12V HEADLAMPS.

Remedy: THE DEALER WILL PROVIDE OWNERS OF INVOLVED VEHICLES WITH PARTS AND AN APPROPRIATE LABOR ALLOWANCE.

Reported: 1987-05-13 (May 13, 1987) · Model years: 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987

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.

Reported: 1982-06-11 (June 11, 1982) · Model years: 1982

SOME OF THE INVOLVED VEHICLES CONTAIN DEFECTIVE CAPSCREWS IN THE TWO DRAG LINK CLAMPS. THESE CAPSCREWS CONTAIN QUENCH CRACKS WHICH, OVER A PERIOD OF TIME, MAY CAUSE THEM TO BREAK.

Remedy: MANUFACTURER WILL INSPECT AND REPLACE ALL DEFECTIVE CAPSCREWS.

Reported: 1984-05-16 (May 16, 1984) · Model years: 1984

FAILURE OF FILTER ELEMENT DUE TO FILTER PLUGGING CAN OCCUR, BLOCKING THE FLOW OF POWER STEERING FLUID. POWER ASSIST IN THE STEERING MAY BE LOST.

Remedy: INSTRUCT CUSTOMERS TO REMOVE FILTER ELEMENT. CUSTOMER WILL BE SENT REPLACEMENT FILTER ASSEMBLIES ALONG WITH DETAILED INSTRUCTIONS.

Reported: 1985-06-24 (June 24, 1985) · Model years: 1985

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.

Reported: 1986-07-22 (July 22, 1986) · Model years: 1985, 1986

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.