1975 Mack WL: complaints, problems and recalls
Explore the records behind recurring owner reports.
Key facts
0 owner complaints analyzed
13 distinct recall campaigns
Not available median reported failure mileage
Scope: 1975 model year. Data snapshot: . 0 complaints include usable failure mileage.
Most common problems
No owner complaints are recorded for this selection. A complaint can name multiple components.
Component breakdown
Number of unique complaints naming each component. Top eight shown.
No usable records for this chart.
| Category | Count |
|---|
No records.
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 0 |
| 25,000 to 49,999 | 0 |
| 50,000 to 74,999 | 0 |
| 75,000 to 99,999 | 0 |
| 100,000 to 149,999 | 0 |
| 150,000 and above | 0 |
Under 25,000: 0; 25,000 to 49,999: 0; 50,000 to 74,999: 0; 75,000 to 99,999: 0; 100,000 to 149,999: 0; 150,000 and above: 0
No usable failure mileage is recorded. 0 complaints have missing, zero or invalid mileage.
Complaints over time
Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.
No usable records for this chart.
| Category | Count |
|---|
No records.
Pattern summary
There is not enough complaint evidence to summarize patterns.
Calculated from recorded counts. An AI narrative has not been published for this selection.
Examples from the source records
Examples provide context, not a representative sample or a verified diagnosis.
Recall history
13 distinct campaigns affect this selection. Announcement dates below are different from vehicle model years. A campaign may cover multiple years.
75V139000 · Service Brakes, Air:Supply:Hoses, Lines/Piping, And Fittings
Reported: 1975-07-24 (July 24, 1975)
NHTSA campaign record ↗75V140000 · Steering: Steering Wheel/Handle Bar
Reported: 1975-07-24 (July 24, 1975)
NHTSA campaign record ↗75V141000 · Service Brakes, Air:Supply:Check Valve
Reported: 1975-07-24 (July 24, 1975)
NHTSA campaign record ↗76V005000 · Visibility:Windshield Wiper/Washer:Motor
Reported: 1976-01-13 (January 13, 1976)
NHTSA campaign record ↗76V006000 · Service Brakes, Air:Antilock:Wheel Speed Sensor
Reported: 1976-01-13 (January 13, 1976)
NHTSA campaign record ↗76V060000 · Steering: Steering Wheel/Handle Bar
Reported: 1976-04-20 (April 20, 1976)
NHTSA campaign record ↗76V083000 · Service Brakes, Air:Drum:Chamber
Reported: 1976-06-09 (June 9, 1976)
NHTSA campaign record ↗77V011000 · Steering:Gear Box (Other Than Rack And Pinion)
Reported: 1977-01-01 (January 1, 1977)
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.
NHTSA campaign record ↗77V013000 · Service Brakes, Air:Drum
Reported: 1977-01-01 (January 1, 1977)
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 ON THE AFFECTED WHEEL COULD OCCUR.
Remedy: THE DEALER WILL INSPECT AND MODIFY THE AFFECTED BRAKE SPIDERS, FREE OF CHARGE.
NHTSA campaign record ↗77V173000 · Engine And Engine Cooling:Cooling System:Fan
Reported: 1977-10-12 (October 12, 1977)
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.
NHTSA campaign record ↗78V030000 · Service Brakes, Air:Supply:Hoses, Lines/Piping, And Fittings
Reported: 1978-02-09 (February 9, 1978)
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 OF AIR PIPING CONNECTIONS AND AIR SYSTEM VALVE FAILURE.
Remedy: THE DEALER WILL RELOCATE THE AIR SYSTEM COMPRESSOR GOVERNOR LINE AND PRESSURE RELIEF VALVE TO ELIMINATE MOISTURE ACCUMULATION.
NHTSA campaign record ↗78V068000 · Service Brakes, Air:Antilock:Control Unit/Module
Reported: 1978-04-04 (April 4, 1978)
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.
NHTSA campaign record ↗78V170000 · Engine And Engine Cooling:Engine
Reported: 1978-08-08 (August 8, 1978)
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.
NHTSA campaign record ↗