1972 Mack U Recalls
All 1972 Mack U recalls can be found below. It is important to us to provide a complete resource for recall information, so if you know of any additional related recalls, please contact us to let us know.October 12th, 1979
Recalled Component
STEERING:LINKAGES:KNUCKLE:SPINDLE:ARM
STEERING:LINKAGES:KNUCKLE:SPINDLE:ARM
Recall Date
October 12th, 1979
October 12th, 1979
Units Effected
2,100
2,100
NHTSA Campaign Number: 78V171000
Manufacturer: Mack Trucks, Inc.
Date of Owner Notification: August 10th, 1979
Defect Summary:
DEFICIENCIES, IN THE FORM OF FORGING LAPS, CRACKS AND EXCESSIVE DECARBURIZATION DURING HEAT TREATMENT, EXIST IN THE STEERING KNUCKLES. STRESSES IMPOSED WITH INTEGRAL HYDRAULIC POWER STEERING MAY LEAD TO A FAILURE IN THE AREA OF THE STEERING ARM ATTACHING BOSS. THIS TYPE OF FAILURE WOULD CAUSE LOSS OF STEERING CONTROL. Corrective Summary:
DEALER WILL INSPECT AND, IF NECESSARY, REPLACE THE LEFT STEERING KNUCKLE WITH AN IMPROVED TYPE OF KNUCKLE. Recall Notes:
VEHICLE DESCRIPTION: TRUCK TRACTORS.SYSTEM: STEERING; STEERING KNUCKLE.CONSEQUENCES OF DEFECT: LOSS OF STEERING CONTROL COULD CAUSE A VEHICLEACCIDENT.
October 12th, 1979
Recalled Component
ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN
ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN
Recall Date
October 12th, 1979
October 12th, 1979
Units Effected
48,000
48,000
NHTSA Campaign Number: 77V173000
Manufacturer: Mack Trucks, Inc.
Date of Owner Notification: March 23rd, 1978
Defect Summary:
THE FLEX BLADE FANS ON THE INVOLVED VEHICLES MAY DEVELOP CRACKS IN THE LAMINATED STIFFENER AS A RESULT OF FATIGUE DURING OPERATION. IF SUCH A CONDITION EXISTS AND THE CRACKS GO UNDETECTED, CONTINUED OPERATION COULD CAUSE PIECES OF THE STIFFENER TO BREAK OFF. Corrective Summary:
DEALER WILL REPLACE THE ORIGINAL FAN WITH A STEEL FIXED BLADE FAN, FREE OF CHARGE. Recall Notes:
VEHICLE DESCRIPTION: TRUCKS EQUIPPED WITH SIX-CYLINDER ENGINES.SYSTEM: ENGINE COOLING; FAN.CONSEQUENCES OF DEFECT: BROKEN PIECES CAN BE PROPELLED OUTSIDE OF THE FANSHROUD AND WILL PRESENT AN IMMEDIATE DANGER AND POSSIBLE INJURY TO PERSONSSTANDING NEARBY.NOTE: PRIOR TO CORRECTION, VEHICLE SHOULD NOT BE SERVICED WITH THE HOOD RAISEDAND THE ENGINE RUNNING.
October 12th, 1979
Recalled Component
POWER TRAIN:AXLE ASSEMBLY:BANJO HOUSING
POWER TRAIN:AXLE ASSEMBLY:BANJO HOUSING
Recall Date
October 12th, 1979
October 12th, 1979
Units Effected
9,019
9,019
NHTSA Campaign Number: 74V032000
Manufacturer: Mack Trucks, Inc.
Date of Owner Notification: August 13th, 1974
Recall Notes:
MACK TRUCKS CAMPAIGN NO N/A.WITH SN56 AND SW57 BOGIE HOUSINGS.BUILT MAR1971 THRU JUN 1972.TRUCKS.POSSIBILITY THAT THE BOGIE HOUSING WALL THICKNESSAT THE LEFT INNER WHEEL BEARING RACE MAY NOT MEET SPECIFIC DIMENSIONALREQUIREMENTS.IF THIS CONDITION EXISTS, IT COULD LEAD TO SPINDLE FAILURE,RESULTING IN LOSS OF A REAR WHEEL ASSEMBLY.(CORRECT BY INSPECTING ANDREPLACING BRGIE HOUSING WHERE NECESSARY).
October 12th, 1979
Recalled Component
SUSPENSION:MULTIPLE AXLE
SUSPENSION:MULTIPLE AXLE
Recall Date
October 12th, 1979
October 12th, 1979
Units Effected
414
414
NHTSA Campaign Number: 75V118000
Manufacturer: Mack Trucks, Inc.
Date of Owner Notification: November 11th, 1975
Recall Notes:
MACK TRUCKS CAMPAIGN NO SC060.TRUCKS MFG'D 1967 THRU JAN.31, 1973.POSSIBILITY THAT THE SUSPENSION TRUNNION BRACKETS MAY DEVELOP CRACKS.IF SUCHCONDITION EXISTS AND CRACKS ARE NOT DETECTED, CONTINUED OPERATION COULDULTIMATELY LEAD TO TRUNNION TUBE SEPARATION FROM THE TRUNNION AND PERMIT AXLEASSEMBLY DISLOCATION.FAILURE OF THE TRUNNION BRACKET COULD RESULT IN LOSS OFVEHICLE CONTROL WITHOUT WARNING TO THE DRIVER.(CORRECT BY INSPECTING ANDREPLACING BRACKETS WHERE NECESSARY).
Recall Comments
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