MACK MS300T Recalls

Mar 10, 1989 – TOTAL CAPACITY OF AIR BRAKE RESERVOIR MAY BE SLIGHTLY LESS THAN REQUIRED BY FMVSS 121.

Jul 26, 1988 – POWER STEERING PUMPS MAY HAVE A RIDGE INSIDE THE ALUMINUM HOUSING WHICH COULD DETACH ITSELF FROM THE HOUSING AND BECOME WEDGED INSIDE THE RELIEF VALVE, KEEPING IT OPEN.

Sep 27, 1983 – BOLTED INSTALLATION OF THE STEERING GEAR HOUSING HAS A TENDENCY TO LOOSEN IN SERVICE. THIS IS DUE TO A BACKWARD INSTALLATION OF THE LOCKWASHERS, WHICH ARE BELLVILLE TYPE, AND A RESULTANT INCORRECT TORQUE ON THE BOLTS.

Sep 27, 1983 – THE YOKE OF THE TRANSMISSION PROPELLER SHAFT MAY LACK REQUIRED STRENGTH DUE TO ERRONEOUS COUNTERBORE OPERATION IN WHICH 10 MILLIMETERS OF EXTRA MATERIAL MAY HAVE BEEN CUT. THIS CONDITION COULD LEAD TO FRACTURE OF THE YOKE IN SERVICE.

May 24, 1982 – THE CIRCUIT WIRING ON THESE VEHICLES IS ARRANGED SO THAT A SHORT CIRCUIT IN THE REAR TAILLIGHTS WILL ALSO RESULT IN LOSS OF POWER TO THE HEADLAMPS. FOR SAFETY REASONS THE LIGHTING SYSTEM WIRING SHOULD BE INDEPENDENT.

Jul 14, 1981 – HOLES DRILLED IN THE REAR AXLE YOKES TO BALANCE THEM COULD CAUSE A FAILURE OF THE YOKE.

Mar 18, 1981 – ON CERTAIN VEHICLES, THE SEMI-TRAILER STOP LIGHTS MAY NOT ACTIVATE WHEN HAND CONTROL LEVER IS ACTIVATED.