Mack Rwl Recalls

NOTE: 1971 TO 1987 TRUCKS WITH NEWAY AIR RIDE DRIVE AXLE SUSPENSION. THE CHANNEL TYPE CROSSMEMBER INSTALLED WITH THE SUSPENSION CAN BE OVERSTRESSED AND CAN FAIL. THE BROKEN CROSSME

CRACKS IN THE AXLE BEAM ASSEMBLY MAY LEAD TO A FAILURE OF THE AXLE BEAM END UNDER NORMAL OPERATING CONDITIONS, CAUSING A COMPLETE SEPARATION OF THE WHEELS, TIRES, BRAKE ASSEMBLIES

THE SPRING SEAT, WHICH IS LOCATED BETWEEN THE AXLE HOUSING AND THE REAR SUSPENSION SPRING PACK CAN DEFORM, RESULTING IN REDUCED CLAMPING FORCE IN THE SUSPENSION ASSEMBLY. THIS COUL

THE FRONT AXLE AIR BRAKE LINES COULD MELT BECAUSE THEY MAY BE ROUTED LESS THAN THE SPECIFIED DISTANCE FROM THE ENGINE ESHAUST MANIFOLD. MELTED LINES COULD RUPTURE, THEREBY REDUCING

IT IS POSSIBLE THAT IMPROPER STEERING SHAFT CLAMP BOLTS WERE INSTALLED AND TORQUED TO THE WRONG SPECIFICATIONS. BECAUSE OF THE OVERLOADED CLAMPING FORCE APPLIED TO THE BOLT, THE BO

1978-79 RWL AND RWS SUPERLINER TRUCKS. THE PITMAN ARM RETAINING SCREWS MAY NOT HAVE BEEN TORQUED TO SPECIFICATION. THE SCREWS COULD LOOSEN AND RESULT IN WEAR OF EITHER THE PITMAN A

TRUCKS EQUIPPED WITH AXLE MOUNTED ROSS HFB 70 INTEGRAL POWER STEERING. THE STEERING GEAR PITMAN ARM BALL STUD MAY LOOSEN OR BREAK IN ITS TAPERED BORE AS A RESULT OF NOT BEING PROPE

THE THROTTLE RETURN SPRINGS PROVIDES LESS THAN THE TORQUES REQUIRED BY CMVSS 124 - ACCELERATOR CONTROL SYSTEMS.

INADEQUATE WELD EMPLACEMENT OF THE SPRING SEAT/RADIUS ROD BRACKET COUPLED WITH RADIUS ROD LOAD AND LOOSENING OF THE SPRING CLIP NUTS COULD CAUSE SPRING SEAT FRACTURE WHICH COULD RE

ENGINE SUPPORT BRACKET MAY DEVELOP CRACKS DUE TO A DEFICIENCY IN MATERIAL PROPERTIES. COMPLETE FRACTURE COULD CAUSE THE ENGINE TO DROP DOWN INTO THE RADIATOR, DAMAGING THE SHROUD,

VEHICLES EQUIPPED WITH TAPER LEAF FRONT SPRINGS MAY HAVE ALUMINUM FRONT SPRING REAR BRAKCETS WITH INADEQUATE STRENGTH TO WITHSTAND NORMAL SIDE LOADINGS. FAILURE OF THE BRACKET COUL

VEHICLES EQUIPPED WITH MACK RA23 OR RA24 REAR AXLES MAY CONTAIN REAR SUSPENSION SPRING SEATS THAT COULD DEFORM ON SPRING DEFLECTION RESURING GEAR OUTPUT SHAFT SPLINES AND ULTIMATEL

VEHICLES EQUIPPED WITH FF931, FAW536 OR RAW537 STEERING AXLES WITH SHEPPARD STEERING GEARS MAY NOT HAVE THE PITMAN ARM RETAINING SCREWS TORQUED TO SPECIFICATION. THS RETAINING SCRE

THE FLANGE HEAD PINCH BOLTS USED IN THE YOKES OF THE STEERING SHAFT ASSEMBLIES MAY HAVE BEEN OVERSTRESSED DUE TO IMPROPER TORQUE SPECIFICATIONS. THIS COULD RESULT IN BREAKAGE OF TH

TRUCKS EQUIPPED WITH MACK ENDT (B) 676, ETAZ (B) 673A AND ETAY (B) 673A ENGINES WITH AIRESEARCH TV6103 TURBO-CHARGERS. IN SOME INSTNACES OF TURBOCHARGER COMP[RESSOR WHEEL FAILURE T

TWO SET SCREWS THAT ARE PART OF THE UPPER STEERING SHAFT BEARING ASSEMBLY LOCATED AT THE CAB DASH SHEET MAY NOT HAVE BEEN ADEQUATELY TIGHTENED AND MAY ALLOW UPPER STEERING SHAFT MO

TRUCKS EQUIPPED WITH MANUAL STEERING. SUBJECT VEHICLES MAY HAVE BEEN BUILT WITH PITMAN ARM RETAINING NUTS THAT WERE NOT TORQUED TO SPECIFICATION. THIS CONDITION COULD RESULT IN INA

TRUCKS EQUIPPED WITH THE ABLE BODY COMPANY'S SLEEPER BOX. THE SLEEPER BOXES CONTAIN ELECTRICAL WIRING WHICH COULD CHAFE OR DISCONNECT CAUSING A FIRE HAZARD.

TRUCKS EQUIPPED WITH BOGIE (TANDEM REAR) AXLES THAT ARE EQUIPPED TRUCKS EQUIPPED WITH BOGIE (TANDEM REAR) AXLES THAT ARE EQUIPPED WITH A SINGLE ANTI-WHEEL LOCK CONTROLLER. WHEEL SE

VEHICLES EQUIPPED WITH CUMMINS NTC - SERIES ENGINES AND FULLER RT OR SPICER SST SERIES TRANSMISSIONS. INVOLVED VEHICLES HAVE ALUMINUM ENGINE REAR SUPPORT BRACKETS WHICH MAY FAIL AL