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1977 MACK DMM
(5 Recalls Found)

Other Recall Years for MACK DMM: 2003 2001 2000 1992 1991 1990 1989 1988 1987 1986 1985 1984 1983 1982 1981 1980 1979 1978 1976 1975 1974 1973 1972

Other Recall Models for MACK: ALL W MODELS, B, C, CF, CH, CH SERIES, CH600, CHN, CHR, CHU, CL, CL713, CL733, CLASS 8, CM400, CONQUEST, CS 200, CS 200P, CS 250, CS 250P, CS 300, CS 300P, CS 300T, CT, CTP, CV, CV500, CV713, CX, CX613, CXN, CXP, CXU, DM, DM SERIES, DM400, DM6, DM600, DM6116S, DM6856S, DM6858S, DM886, DMM SERIES, F, F SERIES, F795, F795ST, F797, FAP, FC, FCA, FCS, FDM, FDM7133R, FIRE TRUCK, FL, FL795, FL797, FM, FM SERIES, FS, FS795, FS797, FWS, GU, HMM, HMM6856S, LE, MACK, MB, MB SERIES, MB400, MB600, MC, MC SERIES, MC600, MC606, MH, MHR, MIDLINER, MR, MR SERIES, MR600, MR600P, MS200, MS200P, MS250, MS250P, MS300, MS300P, MS300T, R, R SERIES, R600, R685ST, R685T, R700, R773ST, R795, R797, RB, RB6, RB600S, RD, RD SERIES, RD400, RD6, RD600, RD795, RD797, RD8, RL, RL SERIES, RL600, RL685, RL767, RL773, RL785, RL795, RL797, RM, RM SERIES, RM400, RM600, RS, RS SERIES, RS600, RS685, RS711, RS737, RS747, RS767, RS785, RS795, RS797, RW, RW SERIES, RWI, RWL, RWS, U, U SERIES, WL, WS,

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SEAT BELTS:FRONT:ANCHORAGE
NHTSA Campaign No. 77V174000
Defect Summary:THE INVOLVED VEHICLES DO NOT CONFORM TO FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 209, "SEATBELT ASSEMBLIES". ALTHOUGH THE SEATBELTS IN QUESTION PERFORMED MARGINALLY WITH RESPECT TO THE 5000 LB. LOAD REQUIREMENT, ADDITIONAL TESTING CONFIRMED THAT THE ANCHOR COULD FAIL, ALLOWING EITHER THE ANCHOR TO SLIP OVER THE HOLD-DOWN NUT OR THE ANCHOR TO SEPARATE INTO TWO PIECES.
Consequence Summary:
Corrective Summary:DEALER WILL INSPECT AND, IF NECESSARY, REPLACE SEAT BELT ASSEMBLIES WITHOUT CHARGE TO OWNER.
Manufacturer of Recalled Product:MACK TRUCKS, INC
Begin Date of Manufacturing:
End Date of Manufacturing:
Vehicle, Equipment or Tire Report:V
Potenial Number of Units Affected:6591
Date Owner Notified by Manufacturer:19780823
Recall Initiator:MFR
Manufacturer that Filed Report:MACK TRUCKS, INCORPORATED
Report Received Date:19771012
Record Creation Date:19791012
Regulation Part Number:571
Federal Motor Vehicle Safety Standard Number:209
Caroops Record ID:63039

ENGINE AND ENGINE COOLING:ENGINE
NHTSA Campaign No. 79V133000
Defect Summary:IN THE EVENT OF TURBOCHARGER COMPRESSOR WHEEL FAILURE, ONE OR MORE OF THE FOUR CAPSCREWS THAT HOLD THE TURBOCHARGER TOGETHER MAY BE STRUCK BY PARTS OF THE COMPRESSOR WHEEL, RESULTING IN THE CAPSCREWS BEING DAMAGED. IF THESE CAPSCREWS ARE DAMAGED TO THE POINT THAT THEY ALLOW THE COMPRESSOR BACK PLATE TO DISLOCATE FROM THE TURBOCHARGER BEARING HOUSING, ENGINE LUBRICATING OIL MAY BE ALLOWED TO ESCAPE UNDER PRESSURE, CONTACTING THE ENGINE EXHAUST MANIFOLD SECTIONS OR TURBOCHARGER TURBINE HOUSING.
Consequence Summary:
Corrective Summary:DEALER WILL INSTALL A SHIELD FOR THE HEADS OF THE FOUR CAPSCREWS, ALONG WITH STRONGER SAE 8 GRADE 8 CAPSCREWS, IF NECESSARY, AT NO COST TO OWNER.
Manufacturer of Recalled Product:MACK TRUCKS, INC
Begin Date of Manufacturing:19770201
End Date of Manufacturing:19790301
Vehicle, Equipment or Tire Report:V
Potenial Number of Units Affected:23000
Date Owner Notified by Manufacturer:19791102
Recall Initiator:ODI
Manufacturer that Filed Report:MACK TRUCKS, INCORPORATED
Report Received Date:19790531
Record Creation Date:19791012
Regulation Part Number:
Federal Motor Vehicle Safety Standard Number:
Caroops Record ID:21552

ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN
NHTSA Campaign No. 77V173000
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.
Consequence Summary:
Corrective Summary:DEALER WILL REPLACE THE ORIGINAL FAN WITH A STEEL FIXED BLADE FAN, FREE OF CHARGE.
Manufacturer of Recalled Product:MACK TRUCKS, INC
Begin Date of Manufacturing:
End Date of Manufacturing:
Vehicle, Equipment or Tire Report:V
Potenial Number of Units Affected:48000
Date Owner Notified by Manufacturer:19780323
Recall Initiator:ODI
Manufacturer that Filed Report:MACK TRUCKS, INCORPORATED
Report Received Date:19771012
Record Creation Date:19791012
Regulation Part Number:
Federal Motor Vehicle Safety Standard Number:
Caroops Record ID:21382

STEERING:LINKAGES:KNUCKLE:SPINDLE:ARM
NHTSA Campaign No. 78V172000
Defect Summary:THE EXISTING CROSS STEERING ARMS MAY HAVE INSUFFICIENT FATIGUE LIFE IN THE NECK AREA. THIS IS NEAR THE BOSS FOR THE CROSS STEERING TUBE BALL JOINT CONNECTION. FAILURE OF EITHER OF THE CROSS STEERING LEVERS COULD LEAD TO LOSS OF STEERING CONTROL OF THE RIGHT FRONT WHEEL.
Consequence Summary:
Corrective Summary:THE DEALER WILL INSPECT AND, IF NECESSARY, INSTALL CROSS STEERING ARMS OF IMPROVED DESIGN AND GREATER STRENGTH.
Manufacturer of Recalled Product:MACK TRUCKS, INC
Begin Date of Manufacturing:
End Date of Manufacturing:
Vehicle, Equipment or Tire Report:V
Potenial Number of Units Affected:13800
Date Owner Notified by Manufacturer:19790222
Recall Initiator:MFR
Manufacturer that Filed Report:MACK TRUCKS, INCORPORATED
Report Received Date:19780808
Record Creation Date:19791012
Regulation Part Number:
Federal Motor Vehicle Safety Standard Number:
Caroops Record ID:21307

SERVICE BRAKES, AIR:ANTILOCK:INTERCONNECTING ASSEMBLY(WIRING)
NHTSA Campaign No. 78V210000
Defect Summary:DELAYS OF UP TO ABOUT 2 SECONDS MAY EXIST IN THE BRAKE APPLICATION TIMES TO THE BRAKES ON THE BOGIE AXLES IN THE PRESENCE OF CERTAIN TYPES OF WHEEL SPEED SENSOR SIGNAL DISCONTINUITIES OR DISTORTIONS THAT MAY OCCUR AS A RESULT OF SENSOR WIRE FAILURE. THIS CONSTITUTES A NON-COMPLIANCE TO FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 121, "AIR BRAKE SYSTEMS".
Consequence Summary:
Corrective Summary:DEALER WILL INSTALL NEW WHEEL SPEED SENSORS THAT INCORPORATE IMPROVED WIRING AND THE PRESENT BOGIE ANTI-WHEEL LOCK SYSTEM WILL BE CHANGED TO AN AXLE-TO-AXLE SYSTEM FOR IMPROVED RELIABILITY.
Manufacturer of Recalled Product:MACK TRUCKS, INC
Begin Date of Manufacturing:19771001
End Date of Manufacturing:19780901
Vehicle, Equipment or Tire Report:V
Potenial Number of Units Affected:19370
Date Owner Notified by Manufacturer:19781107
Recall Initiator:MFR
Manufacturer that Filed Report:MACK TRUCKS, INCORPORATED
Report Received Date:19781003
Record Creation Date:19791012
Regulation Part Number:571
Federal Motor Vehicle Safety Standard Number:121
Caroops Record ID:9005

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