Kenworth Truck Recalls

On certain vehicles, the TRW ball sockets model 20-EDL used on certain ArvinMeritor and Eaton axle tie rods as well as certain TRW draglinks may wear out prematurely due to imprope

On certain vehicles, the automatic slack adjuster may not have had sufficient torque applied to the guide pawl cap screw. This condition may cause the brakes to gradually lose adju

NOTE: INCLUDES 1996-98 T2000 AND ALL OTHER 1996-97 KENWORTH MODELS EQUIPPED WITH CATERPILLAR 3406E ENGINES. THE ROUTING OF THE ELECTRICAL AND FUEL LINES IN THE REFERENCED ENGINES C

DEFECT: THE CASTLE NUTS ON THE BALL STUDS OF THE TIE ROD ENDS MAY NOT BE TIGHTENED TO THE SPECIFIED MINIMUM TORQUE. EXCESSIVELY LOW TORQUE MAY ALLOW MOVEMENT BETWEEN THE BALL STUD

NOTE: VEHICLES EQUIPPED WITH ROCKWELL WABCO SYSTEM SAVER 1000 AIR DRYERS. IN AIR BRAKE SYSTEMS REQUIRING A LARGE VOLUME OF AIR TO PASS THROUGH THE DRYER IN A SHORT PERIOD OF TIME,

VEHICLES ARE EQUIPPED WITH ROCKWELL FRONT DRIVE STEER AXLE ASSEMBLIES WITH TRW "TURNBUCKLE STYLE" CROSS-TUBES WHICH MAY FRACTURE WHEN SUBJECTED TO IMPACT LOADING. THIS COULD RESULT

NOTE: VEHICLES MANUFACTURED IN STE-THERESE PLANT. POSSIBLE INADEQUATE TORQUE ON THE PITMAN ARM PINCH BOLT MAY ALLOW THE PITMAN ARM TO SLIP ON THE STEERING GEAR OUTPUT SHAFT RESULTI

VEHICLES EQUIPPED WITH CATERPILLAR 3306B OR 3406B ENGINES MAY EXPERIENCE A LOSS OF THE GOVERNOR SERVO PIN. THIS WOULD RESULT IN THE ENGINE AND VEHICLE CONTINUING AT THEIR SAME RESP

THE ALCOA ALUMINUM WIDE-BASE SINGLE TRUCK WHEELS INSTALLED ON THESE VEHICLES MAY CRACK DUE TO CIRCUMFERENTIAL LINEAR DISCONTINUITY AND CAUSE THE TIRE AND WHEEL ASSEMBLY TO SEPARATE

THE WHEEL MOUNTING STUDS ON CERTAIN FRONT AND REAR HUBS MANUFACTURED BY DAYTON-WALTHER MAY BREAK AND CAUSE THE TIRE AND WHEEL ASSEMBLY TO BREAK AWAY FROM THE VEHICLE. THIS COULD RE

THE TRW STEERING GEARS ON THESE VEHICLES MAY HAVE BEEN MANUFACTURED WITH DEFECTIVE WORM SCREWS. THIS COULD RESULT IN STEERING GEAR FAILURE AND LOSS OF VEHICLE C0NTROL. CORRECTION:

ON VEHICLES USED AS CONCRETE MIXERS OR REFUSE COLLECTORS WITH FRONT END LOADERS, THE ROCKWELL STEERING ARM COULD CRACK. IF THE STEERING ARM CRACKS AND THE TRUCK CONTINUES TO OPERAT

ON VEHICLES USED IN LOGGING OPERATIONS, THE HENDRICKSON HA-400 AND HA-460 SERIES #1 SUSPENSION SPRING HANGER BRACKETS MAY FRACTURE. THIS COULD CAUSE SEPARATION OF VEHICLE COMPONENT

VEHICLES EQUIPPED WITH THE AIRGLIDE 100 REAR AXLE SUSPENSION MAY HAVE A DEFECTIVE STABILIZER (SWAY) BAR. FAILURE OF THE STABILIZER BAR CAN CAUSE LOSS OF VEHICLE CONTROL RESULTING I

THESE VEHICLES MAY HAVE BEEN BUILT WITH INADEQUATE TORQUE ON THE PITMAN ARM PINCH BOLT. THIS MAY ALLOW THE PITMAN ARM TO SLIP ON THE STEERING GEAR OUTPUT SHAFT RESULTING IN LOSS OF

NOTE: VEHICLES EQUIPPED WITH ELECTRONIC FOOT PEDAL ASSEMBLIES MANUFACTURED BY WILLIAMS CONTROLS INC. ONE OR BOTH OF THE ELECTRONIC FOOT PEDAL ASSEMBLY RETURN SPRINGS MAY FAIL. IF B

AN INCORRECT PITMAN ARM PINCH BOLT DOES NOT ALLOW THE PROPER CLAMPING FORCE TO BE DEVELOPED ON THE PITMAN SPLINES WHICH MAY THEN WEAR AND IMPACT STEERING. THIS WOULD RESULT IN LOSS

THE HOLE IN THE THROTTLE LEVER AND THE STOP PIN MAY BE MISMATCHED WHICH COULD ALLOW THE PIN TO LOOSEN AND FALL OUT. SHOULD THIS HAPPEN, THE TENSION SPRING ATTACHED TO THE THROTTLE

THE ROCKWELL "FF" SERIES FRONT AXLE BEAM ASSEMBLIES MAY CONTAIN CRACKS AT THE AXLE BEAM FORGED ENDS WHERE THE STEERING KNUCKLES ARE ATTACHED BY THE KING PINS. THESE CRACKS MAY LEAD

IN CABOVER TRUCKS, THE DRAG LINK ADAPTOR TO THE VALVE HOUSING IN THE GARRISON G-21 SERIES POWER STEERING CONTROL VALVE MAY LOOSEN AND EVENTUALLY DISENGAGE RESULTING IN LOSS OF VEHI

IN CAB FORWARD TRUCKS, THE MIDLAND SLACK ADJUSTER INSTALLED ON THESE VEHICLES MAY HAVE BEEN INSTALLED IN REVERSE OF THE RECOMMENDED MIDLAND PROCEDURE. THIS CONDITION COULD CAUSE A

VEHICLES MAY BE EQUIPPED WITH ROCKWELL FORGED ALUMINUM FRONT AXLE HUBS (PART NO. 3233-Y-2209X) WHICH MAY CRACK AND FAIL NEAR THE WHEEL MOUNTING FLANGE. FAILURE COULD ALLOW THE WHEE

DEFECTIVE AXLE STOP BRACKETS (K174-C-430) COULD ALLOW THE FRONT AXLE TO SHIFT AND, THEREBY, AFFECT STEERING CONTROL.