AutoStatsIQ
Data through Oct 2026
Campaign 90V-048

Upper and lower pinch bolt on the steering pitman arm and the lower pinch bolt connection on shephard power gears were not torqued correctly

View NHTSA filingAll Mack Trucks campaigns
Defect summary

THE UPPER AND LOWER PINCH BOLT ON THE STEERING PITMAN ARM AND THE LOWER PINCH BOLT CONNECTION ON SHEPHARD POWER GEARS WERE NOT TORQUED CORRECTLY.

Consequence

PINCH BOLT COULD LOOSEN AND BREAK; THIS COULD CAUSE LOSS OF TRUCK STEERING CONTROL AND RESULT IN A CRASH.

Remedy

INSTALL ENGLISH HEX HEAD BOLTS AND FLAT WASHERS; TORQUE PINCH BOLTS TO SPECIFICATIONS.

Notes

SYSTEM: STEERING WHEEL ARM PINCH BOLT.VEHICLE DESCRIPTION: HEAVY-DUTY TRUCKS WITH TRW POWER AND MANUAL GEARS AND SHEPPARD POWER GEARS.

Source: NHTSA ODI recalls file, campaign 90V048000. Text as published by NHTSA.
Vehicles covered

One product line is covered

Owner complaints filed with NHTSA about steering on these vehicles: 0, of which 0 involved a crash, fire, injury or death. Complaints are not verified by NHTSA.

Vehicles covered by campaign 90V-048
MakeModelModel yearsComplaints on this component
MackCH1988 to 19900
Source: NHTSA ODI recalls and complaints files. Equipment, tire and child-seat campaigns list products, not vehicles.