NHTSA Campaign 78V172000
STEERING:LINKAGES:KNUCKLE:SPINDLE:ARM
Issued by MACK TRUCKS, INCORPORATED · Reported Aug 8, 1978 · 13,800 vehicles affected
What's wrong
THE EXISTING CROSS STEERING ARMS MAY HAVE INSUFFICIENT FATIGUE LIFE IN THE NECK AREA. THIS IS NEAR THE BOSS FOR THE CROSS STEERING TUBE BALL JOINT CONNECTION. FAILURE OF EITHER OF THE CROSS STEERING LEVERS COULD LEAD TO LOSS OF STEERING CONTROL OF THE RIGHT FRONT WHEEL.
Remedy
THE DEALER WILL INSPECT AND, IF NECESSARY, INSTALL CROSS STEERING ARMS OF IMPROVED DESIGN AND GREATER STRENGTH.
Vehicles affected by this recall
| Make | Model | Year | Units |
|---|---|---|---|
| MACK | CF | 1974 | 13,800 |
| MACK | CF | 1975 | 13,800 |
| MACK | CF | 1976 | 13,800 |
| MACK | CF | 1977 | 13,800 |
| MACK | CF | 1978 | 13,800 |
| MACK | DM | 1974 | 13,800 |
| MACK | DM | 1975 | 13,800 |
| MACK | DM | 1976 | 13,800 |
| MACK | DM | 1977 | 13,800 |
| MACK | DM | 1978 | 13,800 |
| MACK | DMM | 1974 | 13,800 |
| MACK | DMM | 1975 | 13,800 |
| MACK | DMM | 1976 | 13,800 |
| MACK | DMM | 1977 | 13,800 |
| MACK | DMM | 1978 | 13,800 |
| MACK | MB | 1974 | 13,800 |
| MACK | MB | 1975 | 13,800 |
| MACK | MB | 1976 | 13,800 |
| MACK | MB | 1977 | 13,800 |
| MACK | MB | 1978 | 13,800 |
| MACK | RD | 1974 | 13,800 |
| MACK | RD | 1975 | 13,800 |
| MACK | RD | 1976 | 13,800 |
| MACK | RD | 1977 | 13,800 |
| MACK | RD | 1978 | 13,800 |
Source: NHTSA Campaign 78V172000 on nhtsa.gov. To check the current repair status for a specific vehicle, use our free VIN decoder.