1977 MACK MB — Problems, Recalls & Safety Data
N/A
Safety Rating
0
Owner Complaints
4
Recalls
0
Service Bulletins
0
Investigations
Overview of the 1977 MACK MB
The 1977 MACK MB has received a total of 0 safety complaints filed with the National Highway Traffic Safety Administration (NHTSA). There have been 4 recall campaigns affecting this vehicle, covering issues with STEERING:LINKAGES:KNUCKLE:SPINDLE:ARM, SERVICE BRAKES, AIR:ANTILOCK:INTERCONNECTING ASSEMBLY(WIRING), SUSPENSION:REAR:SPRINGS:LEAF SPRING ASSEMBLY:HANGER/BRACKET.
Recalls for the 1977 MACK MB
NHTSA has recorded 4 recalls for the 1977 MACK MB, potentially affecting up to 41,395 vehicles.
Recall 78V172000 — STEERING:LINKAGES:KNUCKLE:SPINDLE:ARM
| 13,800 vehicles affected
Defect: 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.
Remedy: THE DEALER WILL INSPECT AND, IF NECESSARY, INSTALL CROSS STEERING ARMS OF IMPROVED DESIGN AND GREATER STRENGTH.
View full details →Recall 78V210000 — SERVICE BRAKES, AIR:ANTILOCK:INTERCONNECTING ASSEMBLY(WIRING)
| 19,370 vehicles affected
Defect: 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".
Remedy: 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.
View full details →Recall 77V205000 — SUSPENSION:REAR:SPRINGS:LEAF SPRING ASSEMBLY:HANGER/BRACKET
| 7,400 vehicles affected
Defect: A DEFICIENCY EXISTS IN THE WELDS SECURING THE REAR SPRING INSULATOR BRACKET TO THE AXLE HOUSING. THIS IS DUE TO IMPROPER POSITIONING OF THE WELD, IN RELATIONSHIP TO THE BRACKET AND AXLE HOUSING. FAILURE OF THE WELDS WOULD CAUSE SEPARATION OF THE SPRING INSULATOR BRACKET AND THE AXLE HOUSING, RESULTING IN IMPROPER ALIGNMENT OF THE AFFECTED AXLE.
Remedy: DEALER WILL REWELD THE INSULATOR SPRING BRACKET AT NO COST TO OWNER.
View full details →Recall 77V096000 — WHEELS
| 825 vehicles affected
Defect: THE FRONT WHEEL RIM CLAMP STUDS, INSTALLED ON THE INVOLVED VEHICLES, MAY NOT HAVE BEEN MANUFACTURED CORRECTLY, CAUSING A BRITTLE CONDITION IN THE THREAD ROOT AREA. THE STUDS COULD EVENTUALLY CRACK AND BREAK WHEN WHEEL NUTS ARE TIGHTENED TO SPECIFICATIONS.
Remedy: THE DEALER WILL REPLACE ALL SUSPECT FRONT WHEEL STUDS, WITHOUT CHARGE TO OWNER.
View full details →Owner Complaints for the 1977 MACK MB
No complaints have been filed with NHTSA for the 1977 MACK MB.
Safety Rating for the 1977 MACK MB
NHTSA has not yet tested the 1977 MACK MB in its New Car Assessment Program.
Technical Service Bulletins for the 1977 MACK MB
No technical service bulletins have been reported for this vehicle.
NHTSA Investigations for the 1977 MACK MB
There are no NHTSA defect investigations on record for this vehicle.
Other Model Years of the MACK MB
- 1972 MACK MB — 0 complaints
- 1973 MACK MB — 0 complaints
- 1974 MACK MB — 0 complaints
- 1975 MACK MB — 0 complaints
- 1976 MACK MB — 0 complaints
- 1977 MACK MB (current)
- 1978 MACK MB — 0 complaints
- 1979 MACK MB — 0 complaints
Other MACK Models
- MACK MACK — 35 total complaints
- MACK ANTHEM (AN) — 12 total complaints
- MACK CXU612 — 12 total complaints
- MACK CX613 — 10 total complaints
- MACK GRANITE (GR) — 10 total complaints
- MACK CH600 — 9 total complaints
- MACK GU — 9 total complaints
- MACK RD — 8 total complaints