Mack RD, R +3 more: Steering

Affects Mack RD, R, DM, CH, U · 1987–1989 — about 150 vehicles.

The hazard

NOTE: VEHICLES MANUFACTURED AT THE WINNSBORO, SOUTH CAROLINA FACILITY. THE STEERING WHEEL RETAINING NUTS MAY HAVE BEEN IMPROPERLY INSTALLED AND/OR TORQUED. IF EITHER OF THESE PROCEDURES OCCURED, IT IS POSSIBLE THAT THE STEERING WHEEL COULD DISENGAGE ITSELF FROM THE STEERING COLUMN CAUSING LOSS OF STEERING CONTROL. CORRECTION: STEERING WHEEL RETAINING NUTS WILL BE REPLACED AND RETORQUED ON ALL AFFECTED VEHICLES.

What to do

Contact your dealer; the remedy details were not included in the filing.

Critical — crash/injury risk now High — injury risk; see remedy Moderate — fix at next service Low — minor / informational