NHTSA Campaign 78V031000
SUSPENSION:MULTIPLE AXLE
Issued by MACK TRUCKS, INCORPORATED · Reported Feb 9, 1978 · 33,000 vehicles affected
What's wrong
THE TEE BRACKET, WHICH IS MOUNTED ON THE FRONT AXLE OF THE BOGIE, MAY FAIL DUE TO VIBRATION BROUGHT ON BY ROAD SURFACE IRREGULARITIES. BRACKET FAILURE WOULD LEAVE THE TEE BRACKET UNSUPPORTED AND CAUSE BROKEN HOSE CONNECTOR FITTINGS. THIS WOULD RESULT IN AUTOMATIC APPLICATION OF THE SPRING EMERGENCY BRAKES.
Remedy
THE DEALER WILL REPLACE THE DEFECTIVE BRACKET WITH A REDESIGNED VERSION.
Vehicles affected by this recall
| Make | Model | Year | Units |
|---|---|---|---|
| MACK | F | 1975 | 33,000 |
| MACK | F | 1976 | 33,000 |
| MACK | F | 1977 | 33,000 |
| MACK | F | 1978 | 33,000 |
| MACK | R | 1975 | 33,000 |
| MACK | R | 1976 | 33,000 |
| MACK | R | 1977 | 33,000 |
| MACK | R | 1978 | 33,000 |
| MACK | U | 1975 | 33,000 |
| MACK | U | 1976 | 33,000 |
| MACK | U | 1977 | 33,000 |
| MACK | U | 1978 | 33,000 |
Source: NHTSA Campaign 78V031000 on nhtsa.gov. To check the current repair status for a specific vehicle, use our free VIN decoder.