1976 MACK WS — Problems, Recalls & Safety Data
N/A
Safety Rating
0
Owner Complaints
8
Recalls
0
Service Bulletins
0
Investigations
Overview of the 1976 MACK WS
The 1976 MACK WS has received a total of 0 safety complaints filed with the National Highway Traffic Safety Administration (NHTSA). There have been 8 recall campaigns affecting this vehicle, covering issues with ENGINE AND ENGINE COOLING:ENGINE, SERVICE BRAKES, AIR:ANTILOCK:CONTROL UNIT/MODULE, SERVICE BRAKES, AIR:SUPPLY:HOSES, LINES/PIPING, AND FITTINGS.
Recalls for the 1976 MACK WS
NHTSA has recorded 8 recalls for the 1976 MACK WS, potentially affecting up to 62,838 vehicles.
Recall 78V170000 — ENGINE AND ENGINE COOLING:ENGINE
| 850 vehicles affected
Defect: THE POSSIBILITY EXISTS THAT THE ALUMINUM ENGINE REAR SUPPORT BRACKETS MAY FAIL DUE TO METAL FATIGUE. THIS TYPE OF FAILURE WOULD ALLOW THE ENGINE AND TRANSMISSION ASSEMBLY TO DISLOCATE DOWNWARD. THIS WILL RESULT IN THROTTLE CONTROL LOSS WITH THE ENGINE OPERATING CONTINUOUSLY IN THE MID TO UPPER RANGE OF THE GOVERNED SPEED RANGE.
Remedy: DEALER WILL INSPECT AND, IF NECESSARY, REPLACE ALUMINUM SUPPORT BRACKETS WITH BRACKETS MADE FROM DUCTILE IRON FOR INCREASED STRENGTH.
View full details →Recall 78V068000 — SERVICE BRAKES, AIR:ANTILOCK:CONTROL UNIT/MODULE
| 9,700 vehicles affected
Defect: AN AXLE "NO BRAKE" CONDITION COULD RESULT FROM AN EATON CONTROLLER INTERNAL ELECTRICAL MALFUNCTION. THIS CONDITION MAY CAUSE THE ANTI-WHEEL LOCK VALVE SOLENOID TO BE CONTINUOUSLY ENERGIZED AND PREVENT THE BRAKES FROM BEING APPLIED ON ONE OF THE AXLES. AS A RESULT, THE ANTI-WHEEL LOCK WARNING LAMP IS NOT ACTIVATED.
Remedy: THE DEALER WILL INSPECT AND, IF NECESSARY, REPLACE THE ANTI-WHEEL LOCK CONTROLLER WITHOUT CHARGE TO OWNER.
View full details →Recall 78V030000 — SERVICE BRAKES, AIR:SUPPLY:HOSES, LINES/PIPING, AND FITTINGS
| 400 vehicles affected
Defect: A DESIGN DEFICIENCY EXISTS IN THE AIR DRYER PIPING IN THE AREA OF THE PRESSURE RELIEF VALVE AND COMPRESSOR GOVERNOR CONTROL LINK. MOISTURE IS PASSED AND BUILDS UP IN THIS RELIEF VALVE AND CONTROL LINE. IN FREEZING AMBIENT TEMPERATURES, THIS MOISTURE MAY FREEZE, ALLOWING THE CHASSIS AIR SYSTEM PRESSURE TO EXCEED 150 PSI. EXCESSIVE AIR SYSTEM PRESSURE CAN CAUSE SEPARATION...
Remedy: THE DEALER WILL RELOCATE THE AIR SYSTEM COMPRESSOR GOVERNOR LINE AND PRESSURE RELIEF VALVE TO ELIMINATE MOISTURE ACCUMULATION.
View full details →Recall 77V173000 — ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN
| 48,000 vehicles affected
Defect: 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.
Remedy: DEALER WILL REPLACE THE ORIGINAL FAN WITH A STEEL FIXED BLADE FAN, FREE OF CHARGE.
View full details →Recall 77V149000 — WHEELS:MULTI PIECE
| 250 vehicles affected
Defect: THE FRONT WHEEL ALUMINUM HUBS ON THE INVOLVED VEHICLES MAY BE SUBJECT TO CRACKS WHICH MAY PROGRESS CIRCUMFERENTIALLY AROUND THE BARREL OF THE HUB. THIS COULD LEAD TO A FRACTURE IN THE "BARREL" POSITION OF THE HUB AND COMPLETE HUB FAILURE.
Remedy: DEALER WILL INSTALL STEEL HUBS IN PLACE OF ALUMINUM HUBS WITHOUT CHARGE TO OWNER.
View full details →Recall 77V011000 — STEERING:GEAR BOX (OTHER THAN RACK AND PINION)
| 2,200 vehicles affected
Defect: THE LOWER STEERING SHAFT YOKE CLAMP BOLTS ON THE INVOLVED VEHICLES MAY NOT HAVE BEEN SUFFICIENTLY TIGHTENED. SHOULD THESE BOLTS LOSSEN AND COME OFF, THE LOWER STEERING SHAFT COULD SEPARATE FROM THE STEERING GEAR.
Remedy: THE DEALER WILL SECURE THE CLAMP BOLT AND MAKE THE NECESSARY MODIFICATIONS ON THE LOWER STEERING SHAFT, FREE OF CHARGE.
View full details →Recall 77V013000 — SERVICE BRAKES, AIR:DRUM
| 830 vehicles affected
Defect: CRACKS MAY BE PRESENT IN THE BRAKE SPIDER. THESE CRACKS COULD EVENTUALLY CAUSE THE BRAKE SPIDER TO FAIL. THIS COULD ALLOW SEPARATION OF THAT PORTION OF THE BRAKE SPIDER THAT RETAINS THE BRAKE CAMSHAFT, THE BRAKE CHAMBER, AND THE BRAKE CHAMBER BRACKET FROM THE FOUNDATION BRAKE ASSEMBLY. BRAKE PULL IN THE DIRECTION OPPOSITE THE AFFECTED WHEEL LOCATION OR WHEEL LOCK-UP...
Remedy: THE DEALER WILL INSPECT AND MODIFY THE AFFECTED BRAKE SPIDERS, FREE OF CHARGE.
View full details →Owner Complaints for the 1976 MACK WS
No complaints have been filed with NHTSA for the 1976 MACK WS.
Safety Rating for the 1976 MACK WS
NHTSA has not yet tested the 1976 MACK WS in its New Car Assessment Program.
Technical Service Bulletins for the 1976 MACK WS
No technical service bulletins have been reported for this vehicle.
NHTSA Investigations for the 1976 MACK WS
There are no NHTSA defect investigations on record for this vehicle.
Other Model Years of the MACK WS
- 1972 MACK WS — 0 complaints
- 1973 MACK WS — 0 complaints
- 1974 MACK WS — 0 complaints
- 1975 MACK WS — 0 complaints
- 1976 MACK WS (current)
- 1977 MACK WS — 0 complaints
- 1978 MACK WS — 0 complaints
- 1979 MACK WS — 0 complaints
- 1980 MACK WS — 0 complaints
- 1981 MACK WS — 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