1988 Mack U SERIES: complaints, problems and recalls
Explore the records behind recurring owner reports.
Key facts
0 owner complaints analyzed
4 distinct recall campaigns
Not available median reported failure mileage
Scope: 1988 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
4 distinct campaigns affect this selection. Announcement dates below are different from vehicle model years. A campaign may cover multiple years.
88V085000 · Power Train:Driveline:Center Support Bearing
Reported: 1988-05-23 (May 23, 1988)
CLAMP PLATES USED BETWEEN THE DRIVE SHAFT AND CARRIER YOKES MAY CRACK AND COULD BREAK DUE TO IMPROPER HEAT TREATMENT.
Consequence: IF CLAMP PLATE BREAKS, YOKE WOULD FLY OFF AT DETACHEDPOINT AND COULD INJURY ANYONE STRUCK BY FLYING FRAGMENTS. ALSO, THE DETACHEDINNER SHAFT COULD INTERFERE WITH THE BRAKE SYSTEM AIR SUPPLY HOSES AND TRACTORTIRES, WHICH COULD RESULT IN LOSS OF TRUCK CONTROL AND AN ACCIDENT.
Remedy: INSTALL NEW CLAMPING PLATES AND CAPSCREWS IN ALL LOCATIONS AS NEEDED.
NHTSA campaign record ↗88V125000 · Steering:Linkages
Reported: 1988-07-27 (July 27, 1988)
SOME OF THE NUTS/BOLTS USED TO FASTEN THE STEERING PITMAN ARM MAY LOOSEN.
Consequence: THIS WOULD ALLOW THE PITMAN ARM TO COME OFF THE STEERINGGEAR SECTOR SHAFT AND RESULT IN IMMEDIATE LOSS OF STEERING CONTROL AND A VEHICLECRASH COULD OCCUR.
Remedy: RETORQUE NUTS/BOLTS WHERE NECESSARY.
NHTSA campaign record ↗89V032000 · Steering:Hydraulic Power Assist:Hose, Piping, And Connections
Reported: 1989-03-03 (March 3, 1989)
AN INCORRECT HIGH PRESSURE POWER STEERING HOSE MAY HAVE BEEN INSTALLED.
Consequence: UNDER CERTAIN CONDITIONS, HOSE COULD FAIL RESULTING INLOSS OF POWER STEERING ASSIST AND POSSIBLY AN ACCIDENT.
Remedy: REPLACE INCORRECT POWER STEERING HOSES.
NHTSA campaign record ↗89V086000 · Steering: Steering Wheel/Handle Bar
Reported: 1989-05-22 (May 22, 1989)
STEERING WHEEL RETAINING NUTS MAY HAVE BEEN IMPROPERLY INSTALLED AND/OR TORQUED.
Remedy: RENEW AND RETORQUE STEERING WHEEL RETAINING NUTS.
NHTSA campaign record ↗