The 1971 Mack Mb has 5 NHTSA recall campaigns affecting an estimated 26,773 vehicles. Recall repairs are always free at any authorized dealer. Last updated July 5, 2026.
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.
DEALER WILL INSPECT AND, IF NECESSARY, REPLACE THE LEFT STEERING KNUCKLE WITH AN IMPROVED TYPE OF KNUCKLE.
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…
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…
MACK TRUCK CAMPAIGN NO U1001.SEPT.22, 1970 THRU APRIL 6, 1 971.TRUCKS.POSSIBILITY THAT FRONT HUB MAY BE DEFECTIVE.F AILURE OF FRONT AXLE HUB COULDRESULT IN LOSS OF VEHICLE CONTR OL.(CORRECT BY INSPECTING AND REPLACING HUBWHERE NECESSARY. ) VEHICLE CHASSIS WITH ROCKWELL-STANDARD FH901 OR FL901 FRONT AXL
BUILT BTWN DEC.1968 AND MAY 1971.TRUCK TRACTORS.POSSIBIL ITY THAT AIRINTAKE HOOD, WHICH CONSISTS OF METAL CAP ATTACHEDTO PERFORATED PLASTIC INNERSECTION, MAY NOT SECURELY CLAMP T O PLASTIC SECTION.IF CONDITION EXISTS, CAPCAN TURN AND CUTPLASTIC.IF PLASTIC IS DEEPLY CUT, METAL CAP CAN SEPARATECOM PLETELY.SUCH FAILURE,…
Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL, FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 1971 Mack Mb as of July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page contains ads and affiliate links. Full methodology.