MACK R 1978: SUSPENSION:MULTIPLE AXLE
NHTSA Campaign ID Number: 78V031000
| Make | Model | Year |
|---|---|---|
| MACK | R | 1978 |
| Date Owners Notified | Date Received by ODI | Date Added to Database |
| 1978-08-16 | 1978-02-09 | 1979-10-12 |
Production Dates: 1975-03-01 - 1978-02-01
Manufacturers Involved: Mack Trucks, Inc.
Component: SUSPENSION:MULTIPLE AXLE
Potential Number Of Units Affected: 33000
Report Initiator: MFR MFR Report
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.
THE DEALER WILL REPLACE THE DEFECTIVE BRACKET WITH A REDESIGNED VERSION.
VEHICLE DESCRIPTION: TRUCKS EQUIPPED WITH HIGHWAY BOGIES.SYSTEM: SUSPENSION; TEE BRACKET.CONSEQUENCES OF DEFECT: AUTOMATIC APPLICATION OF THE SPRING EMERGENCY BRAKESCOULD CAUSE LOSS OF VEHICLE CONTROL AND AN ACCIDENT.
