The 1971 Mack Dm has 6 NHTSA recall campaigns affecting an estimated 14,100 vehicles. Recall repairs are always free at any authorized dealer. Last updated July 5, 2026.
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…
EQUIPPED WITH ANCHORLOK SPRING BRAKE CHAMBERS.MANF'D JAN.1971 THRU MARCH1973.TRUCKS.POSSIBILITY THAT THE CLAMP RINGBOLTS ON THE ANCHORLOK SPRINGBRAKE CHAMBER WERE INCORRECTLY POSITIONED AT TIME OF INSTALLATION.IN THISPOSITION THE END OF THE BOLT MAY CONTACT REAR AXLE HOUSING DURING BRAKEACTUATION.DUE TO BRACKET…
MACK SERVICE BULLETIN NO G1003.EQUIPPED WITH AMERICAN-BOSCH APE-8VBB FUELINJECTION PUMP.MANFD 9-70 THRU 10-16 1971.TRUCKS.POSSIBILITY THAT LINKCONNECTING GOVERNOR FULCRUM LEVER TO FUEL INJECTION PUMP CONTROL RACKS CANBREAK AND CAUSE LOSS OF FUEL DELIVERY CONTROLTO ENGINE.SHOULD THIS CONDITIONOCCUR, IT COULD IMPAIR…
MACK CAMPAIGN NO R1005.EQUIPPED W/SGP48.TRUCKS.POSSIBILITY THAT IF PITMANARM IS NOT RELOCATED AND STEERING LINKAGE READJUSTED, POSSIBLE TOGGLE CONDITIONWILL RESULT IN EXTREME RIGHT TURN.(CORRECT BY INSPECTING AND MAKING NECESSARYADJUSTMENTS.).
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
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 Dm as of July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page contains ads and affiliate links. Full methodology.