The defect
THE STEERING SHAFT SPLINE ENGAGEMENT IS ONLY .52, THE RECOMMENDED ENGAGEMENT IS 2 INCHES.
The risk
UNDER IMPACTS SUCH AS ROAD POTHOLES, IT COULD RESULT INSHAFT DISENGAGEMENT. THE DRIVER WOULD IMMEDIATELY LOSE STEERING CONTROLWITHOUT WARNING AND VEHICLE CRASH COULD OCCUR.
The remedy
REPLACE SHAFTS THAT MEASURE UNDER THE MINIMUM ENGAGEMENT DIMENSIONS WITH A LONGER SHAFT.
NHTSA's own wording · initiated by MFR
Vehicles covered
| Model | Model years |
|---|---|
| Mack RM | 1986, 1987, 1988 |
Components: STEERING:GEAR BOX (OTHER THAN RACK AND PINION)
Model years in this recall
NHTSA complaints and the number of recall campaigns for each model year this recall covers.
| Model | Year | Complaints | Recalls |
|---|---|---|---|
| Mack RM | 1986 | 0 | 2 |
| Mack RM | 1987 | 0 | 3 |
| Mack RM | 1988 | 0 | 3 |
Other steering recalls in 1988
19 of the 197 recall campaigns reported to NHTSA in 1988 concerned the steering; MACK TRUCKS, INCORPORATED filed 245 campaigns in all.
| 88V187000 1 Dec 1988 | VOLKSWAGEN OF AMERICA,INC |
| 88V167000 24 Oct 1988 | FREIGHTLINER CORP. |
| 88V160000 11 Oct 1988 | FREIGHTLINER CORP. |
| 88V157000 4 Oct 1988 | NAVISTAR INTL CORP. |
| 88V158000 4 Oct 1988 | CHANCE COACH, INC. |
| 88V131000 4 Aug 1988 | WESTERN STAR TRUCKS, INC. |
| 88V125000 27 Jul 1988 | MACK TRUCKS, INCORPORATED |
| 88V124000 26 Jul 1988 | MACK TRUCKS, INCORPORATED |
NHTSA recalls (public domain) · all recalls of 1988