Rockwell Rockwell Recalls

---

NHTSA Campaign Number: 91E022000
Manufacturer: ARVINMERITOR AUTOMOTIVE
Date of Owner Notification: June 28th, 1991

Defect Summary:
DUE TO OPERATIONAL CONDITIONS, STEERING ARMS COULD CRACK AND BREAK.

Consequence Summary:
STEERING ARM FAILURE CAUSES LOSS OF STEERING CONTROLWITHOUT WARNING RESULTING IN LOSS OF VEHICLE CONTROL AND IN THE POSSIBILITY OFAN ACCIDENT.

Corrective Summary:
REPLACE STEERING ARM WITH ONE REDESIGNED TO ENHANCE FATIGUE LIFE OF ARM.

Recall Notes:
SYSTEM: STEERING ARMS (NON-"KEYSTONE").VEHICLE DESCRIPTION: REAR LOAD REFUSE COLLECTION VEHICLES.

---

NHTSA Campaign Number: 91E023000
Manufacturer: ARVINMERITOR AUTOMOTIVE
Date of Owner Notification: August 7th, 1991

Defect Summary:
STEERING ARMS CRACK AND BREAK FROM PRESSURES EXERTED IN OPERATIONS IN URBAN TRAFFIC ENVIRONEMNTS.

Consequence Summary:
CRACKED AND BROKEN STEERING ARMS CAN RESULT IN LOSS OFSTEERING CONTROL WITHOUT WARNING AND POSSIBLE VEHICLE ACCIDENT.

Corrective Summary:
NOTIFICATION WILL BE SENT TO MANUFACTURERS AND USERS TO REPLACE THE STEERING ARM AFTER TEN YEARS SERVICE.

Recall Notes:
SYSTEM: STEERING ARMS: ALL NON-"KEYSTONE" STEERING ARMS AND INSTALLED INVEHICLES EQUIPPED WITH SINGLE ARM POWER STEERING ENGAGED IN FIRE SERVICE.VEHICLE DESCRIPTION: FIRE TRUCKS.

---

NHTSA Campaign Number: 90E046000
Manufacturer: ARVINMERITOR AUTOMOTIVE
Manufactured Begin Date: August 1st, 1990
Manufactured End Date: September 1st, 1990
Date of Owner Notification: January 7th, 1991

Defect Summary:
IMPROPER HEAT TREATMENT OF TIE ROD ARMS CAUSES ARMS TO BE SUBJECT TO YIELDING AND FATIGUE CRACKS.

Consequence Summary:
TIE ROD ARM COULD FRACTURE AND CAUSE LOSS OF VEHICLE CONTROL, WHICH COULD RESULT IN AN ACCIDENT.

Corrective Summary:
REPLACE TIE ROD ARMS WITH ARMS THAT HAVE BEEN HEAT TREATED TO THE PROPER SPECIFICATIONS.

Recall Notes:
SYSTEM:STEERING; TIE ROD ARMS ; PART NOS.3133-D-1538, E-1539, X-5640, Y-5641.VEHICLE CATEGORY: TRANSIT COACHES.

---

NHTSA Campaign Number: 90E016000
Manufacturer: ARVINMERITOR AUTOMOTIVE
Manufactured Begin Date: January 1st, 1975
Manufactured End Date: December 1st, 1988
Date of Owner Notification: October 8th, 1990

Defect Summary:
STEERING ARM MAY FRACTURE DUE TO ENVIRONMENTAL, MAINTENANCE, OR OTHER FACTORS.

Consequence Summary:
STEERING ARM COULD FAIL WITHOUT WARNING, RESULTING IN LOSS OF STEERING CONTROL AND POSSIBLY A CRASH.

Corrective Summary:
INSTALL REDSIGNED STEERING ARM.

Recall Notes:
SYSTEM: STEERING ARM.VEHICLE CATEGORY: HEAVY DUTY TRUCKS; TRANSIT MIXERS AND REFUSE HAULERS EQUIPPED WITH FL, FDS,AND FR SERIES STEERING ARMS.

---

NHTSA Campaign Number: 90E012000
Manufacturer: ARVINMERITOR AUTOMOTIVE
Manufactured Begin Date: October 1st, 1982
Manufactured End Date: January 1st, 1989
Date of Owner Notification: July 17th, 1990

Defect Summary:
A NUMBER OF FACTORS COULD CAUSE LONGITIDUNAL AND - OR TRANSVERSE CRACKS IN THE SPINDLE END THAT COULD LEAD TO SPINDLE END FAILURE AND SEPARATION OF WHEELS FROM VEHICLE.

Consequence Summary:
WHEEL SEPARATION COULD OCCUR AFFECTING VEHICLE CONTROL AND STABILITY AS WELL AS PRESENTING A HAZARD TO OTHER HIGHWAY USERS, BYSTANDERS, AND PROPERTY.

Corrective Summary:
REPLACE AXLES WITH AXLES MANUFACTURED WITH BUTTWELD SPINDLES, RATHER THAN ORIGINAL INTEGRAL SPINDLES.

Recall Notes:
SYSTEM: NON-DRIVING REAR TRACTOR AXLES.VEHICLE CATEGORY: TRACTOR TRAILERS EQUIPPED WITH TK AND TN TRACTOR AXLES AND 15 INCH THREE SPOKE WHEELS.

---

NHTSA Campaign Number: 89E013000
Manufacturer: ARVINMERITOR AUTOMOTIVE
Manufactured Begin Date: March 1st, 1987
Manufactured End Date: March 1st, 1989
Date of Owner Notification: May 10th, 1989

Defect Summary:
INCORRECTLY WELDED SUSPENSION BRACKETS TO THE AXLE HOUSING MAY CAUSE PREMATURE FAILURE OF THE HOLDING BRACKET WELD.

Consequence Summary:
A FAILURE OF THE AXLE/BRACKET WELD MAY PERMIT THE AXLETO MOVE FROM ITS INTENDED POSITION ON THE VEHICLE AFFECTING VEHICLE CONTROL.THIS COULD RESULT IN AN ACCIDENT.

Corrective Summary:
INSPECT AND REPAIR OR REPLACE AXLES WHICH CONTAIN THE DEFECT. ALSO, AS A PRECAUTION FOR SAFE OPERATION, A TEMPORARY CONTAINMENT DEVICE WHICH WILL MAINTAIN SAFE VEHICLE CONTROL IN THE EVENT THAT AN AXLE BRACKET WELD FAILS.

Recall Notes:
SYSTEM: REAR DRIVE AXLE SUSPENSION BRACKETS.VEHICLE CATAGORY: INTRA CITY COACHES.

---

NHTSA Campaign Number: 89E007000
Manufacturer: ARVINMERITOR AUTOMOTIVE
Manufactured Begin Date: October 1st, 1982
Manufactured End Date: January 1st, 1989

Defect Summary:
FRACTURE OF THE SPINDLE END AND SEPARATION OF THE DUAL WHEELS FROM THE VEHICLE.

Consequence Summary:
WHEEL SEPARATION WOULD NOT AFFECT THE CONTROL ORSTABILITY OF THE TRACTOR/TRAILER SINCE OTHER AXLES WOULD SUPPORT THE VEHICLE.THE SEPARATION WOULD CONSTITUTE A HAZARD TO OTHER ROADWAY USERS, BYSTANDERSAND ADJACENT PROPERTY.

Corrective Summary:
INSPECT AND REPLACE AXLE WHERE NECESSARY.

Recall Notes:
SYSTEM: AXLE.VEHICLE CATEGORY: AUTOHAULER VEHICLE, EQUIPPED WITH TK OR TN AXLES.

---

NHTSA Campaign Number: 89E001000
Manufacturer: ARVINMERITOR AUTOMOTIVE
Manufactured Begin Date: September 1st, 1988
Manufactured End Date: October 1st, 1988
Date of Owner Notification: January 10th, 1989

Defect Summary:
DUE TO METAL FATIGUE, CRACKING AND BREAKING OF THE FRONT AXLE BEAM CENTER COULD OCCUR.

Consequence Summary:
SHOULD FATIGUE CRACK IN THE BEAM COMPLETELY BREAK ORRUPTURE DURING NORMAL OPERATION IT COULD LEAD TO LOSS OF CONTROL AND THEPOSSIBILITY OF VEHICLE CRASH.

Corrective Summary:
THE AXLE BEAM CENTERS WILL BE REPLACED ON ALL INVOLVED VEHICLES.

Recall Notes:
SYSTEM: AXLEVEHICLE CATEGORY: HEAVY TRUCKS.

---

NHTSA Campaign Number: 88E009000
Manufacturer: ARVINMERITOR AUTOMOTIVE
Manufactured Begin Date: January 1st, 1977
Manufactured End Date: January 1st, 1988

Defect Summary:
ORIGINAL SPECIFIED REAR BRAKE DRUMS ARE INADEQUATE IN STRENGTH FOR BRAKE LOADS BEING IMPOSED ON THESE DRUMS.

Consequence Summary:
THIS INCREASED DUTY CYCLE HAS CAUSED PREMATURE COMPONENTFAILURE OF THE BRAKE DRUMS DUE TO CRACKING AND BREAKING. THIS COULD RESULT INA RISK TO TRAFFIC SAFETY.

Corrective Summary:
REPLACEMENT OF REAR BRAKE DRUMS, REAR SPRING BRAKE CHAMBERS AND THE FRONT SERVICE CHAMBERS.

Recall Notes:
VEHICLE CATEGORY: HEAVY TRUCKS.

---

NHTSA Campaign Number: 87E015000
Manufacturer: ARVINMERITOR AUTOMOTIVE
Date of Owner Notification: April 29th, 1987

Defect Summary:
THE SPRING HANGER BRACKET MAY CONTAIN INCORRECT WELDS.

Consequence Summary:
THE BRACKETS MAY BECOME LOOSE AFTER EXTENDED OPERATION.THIS LOOSENESS COULD RESULT IN BREAKAGE AND AXLE SEPARATING FROM THE VEHICLE,RESULTING IN A RISK TO TRAFFIC SAFETY AND POTENTIAL VEHICLE CRASH.

Corrective Summary:
INSTALL SET SCREWS IN THE SIDE LEGS OF THE BRACKET, FOUR PER BRACKET AND WELDED IN PLACE.

Recall Notes:
SYSTEM: AXLE.VEHICLE CATEGORY: HEAVY DUTY TRUCKS.

---

NHTSA Campaign Number: 86E015000
Manufacturer: ARVINMERITOR AUTOMOTIVE
Manufactured Begin Date: April 1st, 1985
Manufactured End Date: December 1st, 1985
Date of Owner Notification: July 17th, 1986

Defect Summary:
THE BRAKE MOUNTING NUTS WHICH FASTEN THE TWO BRAKE ASSEMBLIES TO THE AXLE KNUCKLE ON THE FRONT STEERING AXLE ASSEMBLIES OR THE WHEEL END KITS WERE NOT PROPERLY TIGHTENED. CONSEQUENCE OF DEFECT: IF SUFFICIENT LOOSENING OF THE BRAKE ASSEMBLIES SHOULD OCCUR DURING VEHICLE MOVEMENT, BRAKE DRAG, POSSIBLE SEVERE HEAT BUILD-UP OR WHEEL LOCKUP COULD OCCUR, CAUSING DECREASED STEERING CONTROL, VEHICLE INSTABILITY AND A POTENTIAL FOR VEHICLE CRASH.

Corrective Summary:
INSPECT AND RETORQUE MOUNTING NUTS TO INSURE PROPER TIGHTNESS.

Recall Notes:
VEHICLE CATEGORY: TRUCKS AND BUSES. SYSTEM: STEERING/AXLE.

---

NHTSA Campaign Number: 85E010000
Manufacturer: ARVINMERITOR AUTOMOTIVE
Manufactured Begin Date: October 1st, 1983
Manufactured End Date: February 1st, 1984
Date of Owner Notification: March 1st, 1985

Defect Summary:
FRONT AXLE BEAMS CONTAIN "SHEAR CRACKS" AT THE BEAM ENDS WHERE THE KING PINS AND STEERING KNUCKLES ARE ATTACHED. CONSEQUENCE OF DEFECT: IF FAILURE OF THE AXLE BEAMS AS PART OF THE FRONT STEERING AXLE SHOULD OCCUR, THE COMPONENTS ATTACHED TO THE BEAMS INCLUDING WHEELS, TIRES, BRAKE ASSEMBLIES AND STEERING KNUCKLES MAY BECOME DISENGAGED FROM THE VEHICLE, AND ROLL FREE WITH A RISK TO TRAFFIC SAFETY. THE VEHICLE MAY LOSE STEERING CONTROL, CAUSING VEHICLE INSTABILITY AND POTENTIAL FOR VEHICLE CRASH. THIS FAILURE COULD OCCUR WITHOUT PRIOR WARNING TO THE OPERATOR.

Corrective Summary:
REPLACEMENT OF ANY AND ALL COMPONENTS. FOUND TO BE DEFECTIVE AT NO COST TO THE CONSUMER.

Recall Notes:
VEHICLE DESCRIPTION: HEAVYDUTY TRUCKS, TRUCK TRACTORS, BUSES. SYSTEM: 12000 AND 13200 LBS. GAWR FRONT AXLE ASSEMBLY/STEERING.

---

NHTSA Campaign Number: 84E020000
Manufacturer: ARVINMERITOR AUTOMOTIVE
Manufactured Begin Date: May 1st, 1983
Manufactured End Date: June 1st, 1983
Date of Owner Notification: October 8th, 1984

Corrective Summary:
AXLE AND IDENTIFICATION TAGS WILL BE INSPECTED; IF THE DEFECT IS FOUND, DEFECTIVE HOUSING AND ANY PARTS NECESSARY TO REINSTALL THE CARRIER IN THE HOUSING WILL BE REPLACED WITHOUT CHARGE.

Recall Notes:
VEHICLE CATEGORY: HEAVY TRUCKS; ON/OFF HIGHWAY SPECIALTY TRUCKS.SYSTEM: STEERING; FRONT DRIVE STEERING AXLE HOUSINGS.DESCCRIPTION OF DEFECT: WELDS THAT JOIN SUSPENSION COMPONENTS TO THE AXLE MAYHAVE BEEN IMPROPERLY FUSED. IN MOST CASES, THE DEFECT WILL CAUSE AXLE LUBRICANTTO LEAK IN AN AREA ADJACENT TO THE SPRING SEAT PADS. UNDER NORMAL OPERATINGCONDITIONS, THE WELD COULD CRACK WITHOUT PRIOR WARNING.CONSEQUENCES OF DEFECT: A CRACKING OF THE WELD WILL CAUSE THE COMPONENTSATTACHED TO IT (WHEELS, TIRES, BRAKE DRUMS, ETC.) TO ROLL FREE, CAUSING A RISKTO TRAFFIC SAFETY AND POSSIBLE VEHICLE CRASH AND PERSONAL INJURY.NOTE: DETECTION OF LEAKING AXLE LUBRICANT SHOULD BE FOLLOWED BY IMMEDIATELYREMOVING THE VEHICLE FROM SERVICE. (THIS WARNING SIGN WILL NOT ALWAYS APPEAR.)

---

NHTSA Campaign Number: 82E008000
Manufacturer: ARVINMERITOR AUTOMOTIVE
Manufactured Begin Date: May 1st, 1982
Manufactured End Date: March 1st, 1983
Date of Owner Notification: May 6th, 1982

Defect Summary:
SOME UNIVERSAL JOINT YOKES WERE FORGED WITH INCORRECT STEEL, RESULTING IN BRITTLE WELDS BETWEEN THE YOKE AND ITS MATING SHAFT. FIELD SERVICE LOADS MAY CAUSE FAILURE OF THE WELD AND CAUSE THE YOKE TO SEPARATE FROM ITS SHAFT.

Corrective Summary:
THE MANUFACTURER WILL PROVIDE A REPLACEMENT YOKE OR REPLACEMENT YOKE AND SHAFT WITHOUT CHARGE TO OWNER.

Recall Notes:
VEHICLE CATEGORY: HEAVY TRUCKS.SYSTEM: STEERING; UNIVERSAL JOINT YOKES, PART NO. L6N72F.CONSEQUENCES OF DEFECT: IF THE YOKE SEPARATES FROM ITS SHAFT, LOSS OF STEERINGCONTROL WOULD RESULT AND COULD CAUSE AN ACCIDENT.

---

NHTSA Campaign Number: 76E003000
Manufacturer: ARVINMERITOR AUTOMOTIVE
Date of Owner Notification: April 12th, 1976

Recall Notes:
POSSIBILITY THAT A DESIGN DEFICIENCY EXISTS IN THE FORGED ALUMINUM HUB IN THEAREA OF THE WHEEL MOUNTING FLANGE WHICH MAYRESULTTEST IN CRACKS AND COULDULTIMATELY LEAD TO HUB FAILURE.IF A FAILURE OCCURS, THE FLANGE ALONG WITH THEWHEEL AND TIRE BECOMES DISENGAGED FROM VEHICLE AND ROLLS FREE IN ANUNCONTROLLED MANNER.FAILURE OF THE HUB COULD ALSO LEAD TO A LOSS OF VEHICLECONTROL WITHOUT PRIOR WARNING TO THE OPERATOR.(CORRECT BY ALUMINUM HUBS).

---

NHTSA Campaign Number: 78E002000
Manufacturer: ARVINMERITOR AUTOMOTIVE
Date of Owner Notification: December 30th, 1979

Defect Summary:
ON THE INVOLVED VEHICLES, CASTING DEFICIENCES EXIST IN THE AREA OF THE WHEEL MOUNTING FLANGE OR THE INNER WHEEL BEARING. WHEN A FLANGE FAILURE OCCURS, THE FLANGE, ALONG WITH THE WHEEL AND TIRE, BECOME DISENGAGED FROM THE VEHICLE AND MAY ROLL FREE. WHEN A BARREL SECTION FAILURE OCCURS, THE HUB IS RETAINED ON THE AXLE SPINDLE BY THE WHEEL BEARING ADJUSTING NUT. CONTINUED OPERATION MAY THEN LEAD TO HUB FAILURE, PROGRESSIVE DAMAGE TO THE HUB, AND EVENTUALLY, SEPARATION OF THE HUB, WITH THE WHEEL AND TIRE, FROM THE VEHICLE.

Corrective Summary:
DEALER WILL INSPECT AND REPLACE ALL DEFECTIVE HUBS WITH HUBS OF AN IMPROVED DESIGN, WITHOUT CHARGE.

Recall Notes:
VEHICLE CATEGORY: TRUCKS.SYSTEM: WHEELS; ALUMINUM HUB, PART NO. 333A911.CONSEQUENCES OF DEFECT: LOSS OF A WHEEL ASSEMBLY DURING VEHICLE OPERATION COULDRESULT IN LOSS OF VEHICLE CONTROL AND AN ACCIDENT.

---

NHTSA Campaign Number: 79E016000
Manufacturer: ARVINMERITOR AUTOMOTIVE
Date of Owner Notification: July 26th, 1979

Defect Summary:
CRACKS MAY DEVELOP IN THE RADIAL SPOKES NEAR THE HUB. THESE CRACKS COULD PROPAGATE AND MAY EVENTUALLY CAUSE HUB FAILURE. HUB FAILURE COULD ALLOW THE WHEEL TO SEPARATE FROM THE VEHICLE.

Corrective Summary:
THE DEALER WILL REPLACE THE DEFECTIVE WHEELS.

Recall Notes:
VEHICLE CATEGORY: PASSENGER VEHICLES.SYSTEM: SUSPENSION; CAST ALUMINUM WHEELS, PART NO. 30-5650.CONSEQUENCES OF DEFECT: SHOULD SEPARATION OCCUR DURING VEHICLE OPERATION, LOSSOF VEHICLE CONTROL AND AN ACCIDENT COULD OCCUR.

---

NHTSA Campaign Number: 77E018000
Manufacturer: ARVINMERITOR AUTOMOTIVE
Date of Owner Notification: January 9th, 1978

Defect Summary:
THE INVOLVED ALUMINUM HUBS MAY DEVELOP CRACKS IN THE BARREL BETWEEN THE INNER AND OUTER BEARING, WHICH COULD LEAD TO HUB FAILURE. UPON FAILURE, THE SEPARATED HUB IS RETAINED ON THE AXLE SPINDLE BY THE WHEEL BEARING ADJUSTING NUTS.

Corrective Summary:
DEALER WILL INSPECT AND REPLACE SUSPECT FRONT WHEEL HUBS WITHOUT CHARGE TO OWNER.

Recall Notes:
VEHICLE CATEGORY: TRUCKS.SYSTEM: WHEELS; FRONT WHEEL ALUMINUM HUBS, PART NO. 333P2304.CONSEQUENCES OF DEFECT: CONTINUED OPERATION AFTER HUB FAILURE COULD RESULT IN ATIRE BLOW OUT OR COULD ALLOW THE TIRE AND WHEEL TO SEPARATE FROM THE VEHICLE.IN EITHER CASE, LOSS OF VEHICLE CONTROL AND AN ACCIDENT MAY OCCUR.NOTE: AN AUDIBLE SOUND ALONG WITH THUMPING OR WHEEL WOBBLE MAY ALERT THE DRIVERTO HUB SEPARATION.

---

NHTSA Campaign Number: 76E009000
Manufacturer: ARVINMERITOR AUTOMOTIVE

Recall Notes:
ROCKWELL L SERIES AXLES ARE INVOLVED.POSSIBILITY THAT AXLE HOUSINGS MAY HAVEA DEFICIENCY AS A RESULT OF THE FRICTION WELD LOCATION RELATIVE TO THE OIL SEALJOURNAL RADIUS.A DEFICIENCY IN THIS LOCATION MAY CAUSE CRACKS THAT COULDULTIMATELY LEAD TO FAILURE OF THE SPINDLE.IF A FAILURE OCCURS, THE SPINDLEWITH ITS ASSEMBLED PARTS CONSISTING OF A HUB, DRUM, BEARINGS, WHEELS AND TIRESBECOME DISENGAGED FROM VEHICLE AND MAY ROLL FREE IN AN UNCONTROLLED MANNERWITHOUT WARNING TO THE DRIVER.(CORRECT BY INSPECTING AND REPLACING WITH NEWHOUSING ASSEMBLIES).

---

NHTSA Campaign Number: 77E027000
Manufacturer: ARVINMERITOR AUTOMOTIVE
Date of Owner Notification: July 5th, 1978

Defect Summary:
THE INVOLVED HUBS MAY DEVELOP CRACKS IN THE AREA OF THE WHEEL MOUNTING FLANGE. EVENTUALLY, THE HUB COULD FAIL CAUSING THE FLANGE ALONG WITH THE WHEEL AND TIRE TO BECOME DISENGAGED FROM THE VEHICLE AND ROLL IN AN UNCONTROLLED MANNER.

Corrective Summary:
DEALER WILL INSPECT AND REPLACE SUSPECT FRONT AXLE HUBS WITHOUT CHARGE.

Recall Notes:
VEHICLE CATEGORY: HEAVY TRUCKS.SYSTEM: WHEELS; ROCKWELL MALLEABLE HUBS, PART NO. 333-V-1036.CONSEQUENCES OF DEFECT: HUB FAILURE COULD RESULT IN LOSS OF VEHICLE CONTROL ANDAN ACCIDENT.NOTE: VEHICLES SHOULD BE INSPECTED AND ANY VEHICLE WITH A CRACKED HUB FLANGESHOULD BE REMOVED FROM SERVICE UNTIL THE HUB IS REPLACED.

---

NHTSA Campaign Number: 77E002000
Manufacturer: ARVINMERITOR AUTOMOTIVE

Defect Summary:
THE INVOLVED VEHICLES MAY HAVE BEEN EQUIPPED WITH DEFECTIVE HUBS IN THAT THEY MAY DEVELOP CRACKS WHICH COULD LEAD TO HUB FAILURE.

Corrective Summary:
DEALER WILL INSPECT AND REPLACE DEFECTIVE HUBS WITHOUT CHARGE TO OWNER.

Recall Notes:
VEHICLE CATEGORY: TRUCKS.SYSTEM: WHEELS; MALLEABLE IRON HUBS, PART NOS. 333-Q-2383, T-2438, AND C-2551.CONSEQUENCES OF DEFECT: THE HUB WILL BE RETAINED ON THE AXLE SPINDLE FOLLOWINGFAILURE, BUT CONTINUED VEHICLE OPERATION WILL RESULT IN SEPARATION OF THE HUB,WHEEL, AND TIRE FROM THE VEHICLE. THIS COULD CAUSE LOSS OF VEHICLE CONTROL ANDAN ACCIDENT.NOTE: WARNINGS OF HUB FAILURE INCLUDE WHEEL WOBBLE, SHIMMY, OR FRONT WHEELVIBRATION.

---

NHTSA Campaign Number: 75E032000
Manufacturer: ARVINMERITOR AUTOMOTIVE
Date of Owner Notification: February 1st, 1979

Recall Notes:
POSSIBILITY AXLE ASSEMBLIES EQUIPPED WITH WHEEL ANTI LOCK SYSTEMS HAVE BEENASSEMBLED WITH AN IMPROPER SENSOR TO ROTOR GAP CAUSED BY INCORRECTLY ADJUSTEDWHEEL BEARINGS AND OR IMPROPER POSITIONED SENSORS, AT LOW VELOCITY, PULSES MAYBE TRANSMITTED TO ANTI LOCK COMPUTER WHICH ARE FALSELY INDICATIVE OF A WHEELLOCK UP CONDITION.IF THIS SHOULD OCCUR, BY SYSTEM DESIGN AN AIR CONTROLSOLENOID WILL BEGIN SWITCHING, AND IF THIS OCCURS DURING A BRAKING APPLICATION,REDUCTION IN RETARDING FORCE MAY RESULT ON THE AFFECTED AXLE AND LENGTHENINGTHESTOPPING DISTANCE WITH A SUDDEN BRAKE APPLICATION AT THE END OF THE STOP.(CORRECT BY INSPECTING AND ADJUSTING WHEEL BEARING ON ALL AXLES EQUIPPED WITHANTI-LOCK SYSTEMS).

---

NHTSA Campaign Number: 75E025000
Manufacturer: ARVINMERITOR AUTOMOTIVE
Date of Owner Notification: May 2nd, 1975

Recall Notes:
SKIDTROL WHEEL ANTILOCK COMPUTERS.POSSIBILITY THAT INCORRECT BACK UP FUSESWERE INSTALLED IN THE COMPUTER, IN THE EVENT THAT FAIL SAFE PORTION OF THESYSTEM ON AN AXLE DICTATES A RETURN TO MANUAL BRAKES, THE SYSTEM MAY FAILTOPROVIDE INDICATOR WARNING TO THE DRIVER.THE AFFECTED AXLE WILL BE OPERATINGWITHOUT ANTI LOCK PROTECTION AND WITHOUT THE DRIVER'S KNOWLEDGE.(CORRECT BYINSPECTING AND REPLACING FUSES).

---

NHTSA Campaign Number: 76E019000
Manufacturer: ARVINMERITOR AUTOMOTIVE
Manufactured Begin Date: February 1st, 1975
Manufactured End Date: August 1st, 1976

Recall Notes:
FRONT AXLE ALUMINUM HUBS.PART NO.33-M-2197.FORGING NO READILY IDENTIFIEDON HUB - 433-F-2138.POSSIBILITY THAT A DESIGN DEFICIENCY EXISTS IN THE FORGEDALUMINUM HUB IN THE BARREL BETWEEN THE INNER AND OUTER BEARING WHICH MAY RESULTIN CRACKS AND ULTIMATELY LEAD TO FAILURE OF THE HUB.WHEN A FAILURE OCCURS,THE HUB IS RETAINED ON AXLE SPINDLE BY WHEEL BEARING ADJUSTING ADJUSTING.NUT.CONTINUED OPERATION AFTER HUB EXCESSIVE BRAKE LINING HEATING WHICH COULD CAUSETIRE TO BLOW COULD CAUSE TIRE TO BLOW OR FIRE, WITH LOSS OF VEHICLE CONTROL.(CORRECT BY REPLACING HUB WHERE NECESSARY).