1975 Mack Rm Recall

TRUCKS EQUIPPED WITH ROCKWELL MODEL FDS 1600 OR FDS 1802 FRONT DRIVING AXLE ASSEMBLIES FITTED WITH ROCKWELL ANTI-WHEEL LOCK SYSTEMS SOME ROCKWELL AXLE ASSEMBLIES EQUIPPED WITH ROCKWELL ANTI-WHEEL LOCK SYSTEMS MAY HAVE BEEN ASSEMBLED WITH IMPROPER SENSOR-TO-ROTOR GAP CAUSED BY INCORRECTLY ADJUSTED WHEEL BEARINGS AND/OR IMPROPERLY POSITIONED SENSORS. AT SLOW VEHICLE SPEEDS THAT ANTI-LOCK COMPUTER MAY FLASELY INTERPRET THE PULSES TRANSMITTED FROM A WHEEL AS BEING INDICATIVE OF A WHEEL LOCK-UP CONDITION AND THE AIR CONTROL SOLENOID ON THAT AXLE TILL BEGIN SWITCHING, RESULTING IN DECREASED BRAKE

MACK RM