Latest MACK R SERIES Recallshttp://www.arfc.org/rss/feeds/autos/mack/r_seriesThe latest automotive recalls from the National Highway Transportation Safety AdministrationSun, 22 Dec 2024 06:53:35 GMTen-us1440Copyright 2024, Eladrel Technologies, LLCAutomotive1989 MACK R SERIES RECALLED FOR STEERING, STEERING WHEEL/HANDLE BARSTEERING WHEEL RETAINING NUTS MAY HAVE BEEN IMPROPERLY INSTALLED AND/OR TORQUED.http://www.arfc.org/commercial/mack/r_series/recalls/000005578000032285000000002/recall.aspxMon, 22 May 1989 00:00:00 GMT1988 MACK R SERIES RECALLED FOR STEERING, STEERING WHEEL/HANDLE BARSTEERING WHEEL RETAINING NUTS MAY HAVE BEEN IMPROPERLY INSTALLED AND/OR TORQUED.http://www.arfc.org/commercial/mack/r_series/recalls/000005578000032031000000002/recall.aspxMon, 22 May 1989 00:00:00 GMT1989 MACK R SERIES RECALLED FOR SUSPENSION, FRONTTORQUE ROD BOLTS ARE GRADE 2 INSTEAD OF GRADE 5, WHICH IS NOT TO SPECIFICATION, AND COULD FAIL.http://www.arfc.org/commercial/mack/r_series/recalls/000005571000032285000000023/recall.aspxMon, 15 May 1989 00:00:00 GMT1988 MACK R SERIES RECALLED FOR STEERING, HYDRAULIC POWER ASSIST, HOSE, PIPING, AND CONNECTIONSAN INCORRECT HIGH PRESSURE POWER STEERING HOSE MAY HAVE BEEN INSTALLED.http://www.arfc.org/commercial/mack/r_series/recalls/000005524000032031000000013/recall.aspxFri, 03 Mar 1989 00:00:00 GMT1987 MACK R SERIES RECALLED FOR STEERING, HYDRAULIC POWER ASSIST, HOSE, PIPING, AND CONNECTIONSAN INCORRECT HIGH PRESSURE POWER STEERING HOSE MAY HAVE BEEN INSTALLED.http://www.arfc.org/commercial/mack/r_series/recalls/000005524000032293000000013/recall.aspxFri, 03 Mar 1989 00:00:00 GMT1988 MACK R SERIES RECALLED FOR ENGINE AND ENGINE COOLING, ENGINECERTAIN ENGINE SUPPORT CASTINGS WERE PRODUCED WITH FAULTY METALLURGY AND COULD FAIL.http://www.arfc.org/commercial/mack/r_series/recalls/000005351000032031000000128/recall.aspxTue, 18 Oct 1988 00:00:00 GMT1988 MACK R SERIES RECALLED FOR FUEL SYSTEM, GASOLINE, STORAGETHERE MAY BE INSUFFICIENT WELD WHERE THE STEP IS WELDED TO THE FUEL TANK.http://www.arfc.org/commercial/mack/r_series/recalls/000005352000032031000000145/recall.aspxTue, 18 Oct 1988 00:00:00 GMT1987 MACK R SERIES RECALLED FOR FUEL SYSTEM, GASOLINE, STORAGETHERE MAY BE INSUFFICIENT WELD WHERE THE STEP IS WELDED TO THE FUEL TANK.http://www.arfc.org/commercial/mack/r_series/recalls/000005352000032293000000145/recall.aspxTue, 18 Oct 1988 00:00:00 GMT1987 MACK R SERIES RECALLED FOR WHEELSFASTENERS THAT HOLD THE REAR WHEEL TO THE HUB AND DRUM ASSEMBLY MAY BE IMPROPERLY TORQUED.http://www.arfc.org/commercial/mack/r_series/recalls/000005343000032293000000309/recall.aspxTue, 27 Sep 1988 00:00:00 GMT1988 MACK R SERIES RECALLED FOR STEERING, LINKAGESSOME OF THE NUTS/BOLTS USED TO FASTEN THE STEERING PITMAN ARM MAY LOOSEN.http://www.arfc.org/commercial/mack/r_series/recalls/000005315000032031000000015/recall.aspxWed, 27 Jul 1988 00:00:00 GMT1988 MACK R SERIES RECALLED FOR POWER TRAIN, DRIVELINE, CENTER SUPPORT BEARINGCLAMP PLATES USED BETWEEN THE DRIVE SHAFT AND CARRIER YOKES MAY CRACK AND COULD BREAK DUE TO IMPROPER HEAT TREATMENT.http://www.arfc.org/commercial/mack/r_series/recalls/000005273000032031000000193/recall.aspxMon, 23 May 1988 00:00:00 GMT1984 MACK R SERIES RECALLED FOR VEHICLE SPEED CONTROL, CABLESTHE ACCELERATOR ROD HOLE CLEARANCE IS NOT ADEQUATE AND CAN CAUSE THE ACCELERATOR LINKAGE TO BIND. CONSEQUENCE OF DEFECT: IF BINDING OCCURS WHILE IN A FULL THROTTLE POSITION, ACCELERATOR CONTROL WOULD BE LOST WITHOUT WARNING AND AN ACCIDENT COULD OCCUR.http://www.arfc.org/commercial/mack/r_series/recalls/000004700000026230000000297/recall.aspxFri, 17 Jan 1986 00:00:00 GMT1983 MACK R SERIES RECALLED FOR VEHICLE SPEED CONTROL, CABLESTHE ACCELERATOR ROD HOLE CLEARANCE IS NOT ADEQUATE AND CAN CAUSE THE ACCELERATOR LINKAGE TO BIND. CONSEQUENCE OF DEFECT: IF BINDING OCCURS WHILE IN A FULL THROTTLE POSITION, ACCELERATOR CONTROL WOULD BE LOST WITHOUT WARNING AND AN ACCIDENT COULD OCCUR.http://www.arfc.org/commercial/mack/r_series/recalls/000004700000026229000000297/recall.aspxFri, 17 Jan 1986 00:00:00 GMT1982 MACK R SERIES RECALLED FOR VEHICLE SPEED CONTROL, CABLESTHE ACCELERATOR ROD HOLE CLEARANCE IS NOT ADEQUATE AND CAN CAUSE THE ACCELERATOR LINKAGE TO BIND. CONSEQUENCE OF DEFECT: IF BINDING OCCURS WHILE IN A FULL THROTTLE POSITION, ACCELERATOR CONTROL WOULD BE LOST WITHOUT WARNING AND AN ACCIDENT COULD OCCUR.http://www.arfc.org/commercial/mack/r_series/recalls/000004700000026228000000297/recall.aspxFri, 17 Jan 1986 00:00:00 GMT1981 MACK R SERIES RECALLED FOR VEHICLE SPEED CONTROL, CABLESTHE ACCELERATOR ROD HOLE CLEARANCE IS NOT ADEQUATE AND CAN CAUSE THE ACCELERATOR LINKAGE TO BIND. CONSEQUENCE OF DEFECT: IF BINDING OCCURS WHILE IN A FULL THROTTLE POSITION, ACCELERATOR CONTROL WOULD BE LOST WITHOUT WARNING AND AN ACCIDENT COULD OCCUR.http://www.arfc.org/commercial/mack/r_series/recalls/000004700000026028000000297/recall.aspxFri, 17 Jan 1986 00:00:00 GMT1982 MACK R SERIES RECALLED FOR SUSPENSION, REAR, SPRINGS, LEAF SPRING ASSEMBLYSPRING SEAT CAN DEFORM, WHICH CAUSES A DECREASE IN THE CLAMPING FORCE IN THE SUSPENSION ASSEMBLY. LOSS OF CLAMPING FORCE MAY BRING ABOUT AXLE MISALIGNMENT OR AXLE HOUSING FAILURE.http://www.arfc.org/commercial/mack/r_series/recalls/000004265000026228000000051/recall.aspxFri, 23 Mar 1984 00:00:00 GMT1981 MACK R SERIES RECALLED FOR SUSPENSION, REAR, SPRINGS, LEAF SPRING ASSEMBLYSPRING SEAT CAN DEFORM, WHICH CAUSES A DECREASE IN THE CLAMPING FORCE IN THE SUSPENSION ASSEMBLY. LOSS OF CLAMPING FORCE MAY BRING ABOUT AXLE MISALIGNMENT OR AXLE HOUSING FAILURE.http://www.arfc.org/commercial/mack/r_series/recalls/000004265000026028000000051/recall.aspxFri, 23 Mar 1984 00:00:00 GMT1980 MACK R SERIES RECALLED FOR SUSPENSION, REAR, SPRINGS, LEAF SPRING ASSEMBLYSPRING SEAT CAN DEFORM, WHICH CAUSES A DECREASE IN THE CLAMPING FORCE IN THE SUSPENSION ASSEMBLY. LOSS OF CLAMPING FORCE MAY BRING ABOUT AXLE MISALIGNMENT OR AXLE HOUSING FAILURE.http://www.arfc.org/commercial/mack/r_series/recalls/000004265000034330000000051/recall.aspxFri, 23 Mar 1984 00:00:00 GMT1979 MACK R SERIES RECALLED FOR SUSPENSION, REAR, SPRINGS, LEAF SPRING ASSEMBLYSPRING SEAT CAN DEFORM, WHICH CAUSES A DECREASE IN THE CLAMPING FORCE IN THE SUSPENSION ASSEMBLY. LOSS OF CLAMPING FORCE MAY BRING ABOUT AXLE MISALIGNMENT OR AXLE HOUSING FAILURE.http://www.arfc.org/commercial/mack/r_series/recalls/000004265000053594000000051/recall.aspxFri, 23 Mar 1984 00:00:00 GMT1978 MACK R SERIES RECALLED FOR SUSPENSION, REAR, SPRINGS, LEAF SPRING ASSEMBLYSPRING SEAT CAN DEFORM, WHICH CAUSES A DECREASE IN THE CLAMPING FORCE IN THE SUSPENSION ASSEMBLY. LOSS OF CLAMPING FORCE MAY BRING ABOUT AXLE MISALIGNMENT OR AXLE HOUSING FAILURE.http://www.arfc.org/commercial/mack/r_series/recalls/000004265000053653000000051/recall.aspxFri, 23 Mar 1984 00:00:00 GMT1984 MACK R SERIES RECALLED FOR STEERING, STEERING WHEEL/HANDLE BARIMPROPER STEERING CLAMP BOLTS AND TORQUE APPLIED DURING INSTALLATION. THE BOLT COULD FAIL, ALLOWING THE STEERING YOKE TO BECOME LOOSE.http://www.arfc.org/commercial/mack/r_series/recalls/000004262000026230000000002/recall.aspxThu, 22 Mar 1984 00:00:00 GMT1983 MACK R SERIES RECALLED FOR STEERING, STEERING WHEEL/HANDLE BARIMPROPER STEERING CLAMP BOLTS AND TORQUE APPLIED DURING INSTALLATION. THE BOLT COULD FAIL, ALLOWING THE STEERING YOKE TO BECOME LOOSE.http://www.arfc.org/commercial/mack/r_series/recalls/000004262000026229000000002/recall.aspxThu, 22 Mar 1984 00:00:00 GMT1981 MACK R SERIES RECALLED FOR EXTERIOR LIGHTINGTHE RIGHT HAND CLEARANCE LAMP IS OBSCURED, FROM CERTAIN ANGLES OF VISION, BY THE IN-LINE PRECLEANER AIR CLEANER CAP. THE INVOLVED VEHICLES FAIL TO CONFORM TO FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 108, "LAMPS, REFLECTIVE DEVICES, AND ASSOCIATED EQUIPMENT".http://www.arfc.org/commercial/mack/r_series/recalls/000003802000026028000000216/recall.aspxTue, 29 Dec 1981 00:00:00 GMT1981 MACK R SERIES RECALLED FOR STEERING, GEAR BOX, SHAFT PITMANTHE PITMAN ARM RETAINING BOLT MAY NOT HAVE BEEN TIGHTENED TO THE REQUIRED SPECIFICATIONS DUE TO A DESIGN CHANGE. INADEQUATE RETENTION OF THE BOLT TO THE OUTPUT SHAFT COULD ALLOW THE PITMAN ARM TO LOOSEN.http://www.arfc.org/commercial/mack/r_series/recalls/000003804000026028000000007/recall.aspxTue, 29 Dec 1981 00:00:00 GMT1980 MACK R SERIES RECALLED FOR EXTERIOR LIGHTINGTHE RIGHT HAND CLEARANCE LAMP IS OBSCURED, FROM CERTAIN ANGLES OF VISION, BY THE IN-LINE PRECLEANER AIR CLEANER CAP. THE INVOLVED VEHICLES FAIL TO CONFORM TO FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 108, "LAMPS, REFLECTIVE DEVICES, AND ASSOCIATED EQUIPMENT".http://www.arfc.org/commercial/mack/r_series/recalls/000003802000034330000000216/recall.aspxTue, 29 Dec 1981 00:00:00 GMT1979 MACK R SERIES RECALLED FOR EXTERIOR LIGHTINGTHE RIGHT HAND CLEARANCE LAMP IS OBSCURED, FROM CERTAIN ANGLES OF VISION, BY THE IN-LINE PRECLEANER AIR CLEANER CAP. THE INVOLVED VEHICLES FAIL TO CONFORM TO FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 108, "LAMPS, REFLECTIVE DEVICES, AND ASSOCIATED EQUIPMENT".http://www.arfc.org/commercial/mack/r_series/recalls/000003802000053594000000216/recall.aspxTue, 29 Dec 1981 00:00:00 GMT1978 MACK R SERIES RECALLED FOR EXTERIOR LIGHTINGTHE RIGHT HAND CLEARANCE LAMP IS OBSCURED, FROM CERTAIN ANGLES OF VISION, BY THE IN-LINE PRECLEANER AIR CLEANER CAP. THE INVOLVED VEHICLES FAIL TO CONFORM TO FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 108, "LAMPS, REFLECTIVE DEVICES, AND ASSOCIATED EQUIPMENT".http://www.arfc.org/commercial/mack/r_series/recalls/000003802000053653000000216/recall.aspxTue, 29 Dec 1981 00:00:00 GMT1977 MACK R SERIES RECALLED FOR EXTERIOR LIGHTINGTHE RIGHT HAND CLEARANCE LAMP IS OBSCURED, FROM CERTAIN ANGLES OF VISION, BY THE IN-LINE PRECLEANER AIR CLEANER CAP. THE INVOLVED VEHICLES FAIL TO CONFORM TO FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 108, "LAMPS, REFLECTIVE DEVICES, AND ASSOCIATED EQUIPMENT".http://www.arfc.org/commercial/mack/r_series/recalls/000003802000029119000000216/recall.aspxTue, 29 Dec 1981 00:00:00 GMT1980 MACK R SERIES RECALLED FOR SERVICE BRAKES, AIR, CONTROLS, HAND CONTROL/VALVETHE RETAINING PIN FOR THE BRAKE CONTROL KNOB HAS BEEN MISALIGNED (OFF THE CENTER LINE OF THE VALVE PLUNGER HOLE). THIS CAUSES THE KNOB TO BE OVERSTRESSED AT THE RETAINING PIN HOLE AREA CAUSING IT TO SEPARATE FROM THE VALVE.http://www.arfc.org/commercial/mack/r_series/recalls/000003737000034330000000090/recall.aspxWed, 08 Jul 1981 00:00:00 GMT1979 MACK R SERIES RECALLED FOR SERVICE BRAKES, AIR, CONTROLS, HAND CONTROL/VALVETHE RETAINING PIN FOR THE BRAKE CONTROL KNOB HAS BEEN MISALIGNED (OFF THE CENTER LINE OF THE VALVE PLUNGER HOLE). THIS CAUSES THE KNOB TO BE OVERSTRESSED AT THE RETAINING PIN HOLE AREA CAUSING IT TO SEPARATE FROM THE VALVE.http://www.arfc.org/commercial/mack/r_series/recalls/000003737000053594000000090/recall.aspxWed, 08 Jul 1981 00:00:00 GMT1980 MACK R SERIES RECALLED FOR STEERING, STEERING WHEEL/HANDLE BARTHE WELD ON THE UPPER STEERING SHAFT WHERE THE FEMALE SPLINE CONNECTS TO THE TUBE ASSEMBLY MAY HAVE BEEN INCORRECTLY POSITIONED AND ACTUALLY MISSED THE SEAM.http://www.arfc.org/commercial/mack/r_series/recalls/000003602000034330000000002/recall.aspxWed, 10 Dec 1980 00:00:00 GMT1980 MACK R SERIES RECALLED FOR PARKING BRAKE, DRIVELINE, AIRON CERTAIN VEHICLES, THE KNOB THAT OPERATES THE TRACTOR PARK VALVE MAY BREAK OFF, RENDERING THE VALVE INOPERABLE.http://www.arfc.org/commercial/mack/r_series/recalls/000003490000034330000000121/recall.aspxTue, 06 May 1980 00:00:00 GMT1980 MACK R SERIES RECALLED FOR STEERING, GEAR BOX (OTHER THAN RACK AND PINION)THE PREFABRICATED PINCH BOLT CLAMP AT THE LOWER STEERING SHAFT LOWER YOKE MAY NOT PERFORM ADEQUATELY WHEN TIGHTENED TO SPECIFICATIONS. THE CLAMP MAY THEN DEFORM AND LOSS OF CLAMPING FORCE AND STEERING SHAFT DISENGAGEMENT MAY RESULT.http://www.arfc.org/commercial/mack/r_series/recalls/000003492000034330000000005/recall.aspxTue, 06 May 1980 00:00:00 GMT1979 MACK R SERIES RECALLED FOR PARKING BRAKE, DRIVELINE, AIRON CERTAIN VEHICLES, THE KNOB THAT OPERATES THE TRACTOR PARK VALVE MAY BREAK OFF, RENDERING THE VALVE INOPERABLE.http://www.arfc.org/commercial/mack/r_series/recalls/000003490000053594000000121/recall.aspxTue, 06 May 1980 00:00:00 GMT1979 MACK R SERIES RECALLED FOR STEERING, GEAR BOX (OTHER THAN RACK AND PINION)THE PREFABRICATED PINCH BOLT CLAMP AT THE LOWER STEERING SHAFT LOWER YOKE MAY NOT PERFORM ADEQUATELY WHEN TIGHTENED TO SPECIFICATIONS. THE CLAMP MAY THEN DEFORM AND LOSS OF CLAMPING FORCE AND STEERING SHAFT DISENGAGEMENT MAY RESULT.http://www.arfc.org/commercial/mack/r_series/recalls/000003492000053594000000005/recall.aspxTue, 06 May 1980 00:00:00 GMT1978 MACK R SERIES RECALLED FOR STEERING, GEAR BOX (OTHER THAN RACK AND PINION)THE PREFABRICATED PINCH BOLT CLAMP AT THE LOWER STEERING SHAFT LOWER YOKE MAY NOT PERFORM ADEQUATELY WHEN TIGHTENED TO SPECIFICATIONS. THE CLAMP MAY THEN DEFORM AND LOSS OF CLAMPING FORCE AND STEERING SHAFT DISENGAGEMENT MAY RESULT.http://www.arfc.org/commercial/mack/r_series/recalls/000003492000053653000000005/recall.aspxTue, 06 May 1980 00:00:00 GMT1977 MACK R SERIES RECALLED FOR STEERING, GEAR BOX (OTHER THAN RACK AND PINION)THE PREFABRICATED PINCH BOLT CLAMP AT THE LOWER STEERING SHAFT LOWER YOKE MAY NOT PERFORM ADEQUATELY WHEN TIGHTENED TO SPECIFICATIONS. THE CLAMP MAY THEN DEFORM AND LOSS OF CLAMPING FORCE AND STEERING SHAFT DISENGAGEMENT MAY RESULT.http://www.arfc.org/commercial/mack/r_series/recalls/000003492000029119000000005/recall.aspxTue, 06 May 1980 00:00:00 GMT1976 MACK R SERIES RECALLED FOR STEERING, GEAR BOX (OTHER THAN RACK AND PINION)THE PREFABRICATED PINCH BOLT CLAMP AT THE LOWER STEERING SHAFT LOWER YOKE MAY NOT PERFORM ADEQUATELY WHEN TIGHTENED TO SPECIFICATIONS. THE CLAMP MAY THEN DEFORM AND LOSS OF CLAMPING FORCE AND STEERING SHAFT DISENGAGEMENT MAY RESULT.http://www.arfc.org/commercial/mack/r_series/recalls/000003492000029628000000005/recall.aspxTue, 06 May 1980 00:00:00 GMT1976 MACK R SERIES RECALLED FOR STEERING, LINKAGES, KNUCKLE, SPINDLE, ARMTHE STEERING ARM MAY DEVELOP CRACKS DUE TO INSUFFICIENT FATIGUE LIFE IN THE MACHINE RADIUS OF THE TAPER AT THE STEERING KNUCKLE END.http://www.arfc.org/commercial/mack/r_series/recalls/000003491000029628000000021/recall.aspxTue, 06 May 1980 00:00:00 GMT1975 MACK R SERIES RECALLED FOR STEERING, LINKAGES, KNUCKLE, SPINDLE, ARMTHE STEERING ARM MAY DEVELOP CRACKS DUE TO INSUFFICIENT FATIGUE LIFE IN THE MACHINE RADIUS OF THE TAPER AT THE STEERING KNUCKLE END.http://www.arfc.org/commercial/mack/r_series/recalls/000003491000029185000000021/recall.aspxTue, 06 May 1980 00:00:00 GMT1974 MACK R SERIES RECALLED FOR STEERING, LINKAGES, KNUCKLE, SPINDLE, ARMTHE STEERING ARM MAY DEVELOP CRACKS DUE TO INSUFFICIENT FATIGUE LIFE IN THE MACHINE RADIUS OF THE TAPER AT THE STEERING KNUCKLE END.http://www.arfc.org/commercial/mack/r_series/recalls/000003491000029568000000021/recall.aspxTue, 06 May 1980 00:00:00 GMT1973 MACK R SERIES RECALLED FOR STEERING, LINKAGES, KNUCKLE, SPINDLE, ARMTHE STEERING ARM MAY DEVELOP CRACKS DUE TO INSUFFICIENT FATIGUE LIFE IN THE MACHINE RADIUS OF THE TAPER AT THE STEERING KNUCKLE END.http://www.arfc.org/commercial/mack/r_series/recalls/000003491000053620000000021/recall.aspxTue, 06 May 1980 00:00:00 GMT1972 MACK R SERIES RECALLED FOR STEERING, LINKAGES, KNUCKLE, SPINDLE, ARMTHE STEERING ARM MAY DEVELOP CRACKS DUE TO INSUFFICIENT FATIGUE LIFE IN THE MACHINE RADIUS OF THE TAPER AT THE STEERING KNUCKLE END.http://www.arfc.org/commercial/mack/r_series/recalls/000003491000053621000000021/recall.aspxTue, 06 May 1980 00:00:00 GMT1971 MACK R SERIES RECALLED FOR STEERING, LINKAGES, KNUCKLE, SPINDLE, ARMTHE STEERING ARM MAY DEVELOP CRACKS DUE TO INSUFFICIENT FATIGUE LIFE IN THE MACHINE RADIUS OF THE TAPER AT THE STEERING KNUCKLE END.http://www.arfc.org/commercial/mack/r_series/recalls/000003491000053596000000021/recall.aspxTue, 06 May 1980 00:00:00 GMT1970 MACK R SERIES RECALLED FOR STEERING, LINKAGES, KNUCKLE, SPINDLE, ARMTHE STEERING ARM MAY DEVELOP CRACKS DUE TO INSUFFICIENT FATIGUE LIFE IN THE MACHINE RADIUS OF THE TAPER AT THE STEERING KNUCKLE END.http://www.arfc.org/commercial/mack/r_series/recalls/000003491000053597000000021/recall.aspxTue, 06 May 1980 00:00:00 GMT1969 MACK R SERIES RECALLED FOR STEERING, LINKAGES, KNUCKLE, SPINDLE, ARMTHE STEERING ARM MAY DEVELOP CRACKS DUE TO INSUFFICIENT FATIGUE LIFE IN THE MACHINE RADIUS OF THE TAPER AT THE STEERING KNUCKLE END.http://www.arfc.org/commercial/mack/r_series/recalls/000003491000053598000000021/recall.aspxTue, 06 May 1980 00:00:00 GMT1968 MACK R SERIES RECALLED FOR STEERING, LINKAGES, KNUCKLE, SPINDLE, ARMTHE STEERING ARM MAY DEVELOP CRACKS DUE TO INSUFFICIENT FATIGUE LIFE IN THE MACHINE RADIUS OF THE TAPER AT THE STEERING KNUCKLE END.http://www.arfc.org/commercial/mack/r_series/recalls/000003491000053599000000021/recall.aspxTue, 06 May 1980 00:00:00 GMT