| Make : MACK | Model : MS250P | Year : 1985 |
| Build Dates : 19840701 - 19851001 | ||
| NHTSA Campaign ID Number : 85V159000 | ||
| Date Owners Notified: 19861126 | Date Received by ODI: 19851126 | Date Added to Database: 19851204 |
| Manufacturer(s) Involved: MACK TRUCKS, INCORPORATED | ||
| Manufacturer(s) Responsible for the Recall: MACK TRUCKS, INC | ||
| Manufacturer Campaign Number: | ||
| Component: PARKING BRAKE:DRIVELINE:HYDRAULIC:HOSES, LINES/PIPING, AND FITTINGS | ||
| Potential Number of Units Affected: 3308 | ||
|
Summary of the Safety Concern:
THE QUICK RELEASE VALVE SUPPORT BRACKET MOUNTED ON THE AXLE MAY CRACK. THIS CAUSES FATIGUE FAILURE OF THE STEEL AIR LINES LEADING TO THE REAR PARKING BRAKES AND CHASSIS SERVICE BRAKES RESULTING IN SUDDEN LOSS OF AIR PRESSURE. CONSEQUENCE OF DEFECT: THIS SUDDEN LOSS OF AIR TO THE BRAKE CHAMBERS WILL RESULT IN AUTOMATIC ACTUATION OF REAR PARKING BRAKE CAUSING SUDDEN REAR WHEEL LOCKUP WHICH MAY CONTRIBUTE TO AN ACCIDENT. |
||
|
Consequence:
|
||
|
Remedy:
INSTALL A REDESIGNED VALVE SUPPORT BRACKET. |
||
| Report Initiator: MFR | Vehicles Report | |
| Regulation Part Number: | Federal Motor Vehicle Safety Standard Number: | |
|
Notes:
CUSTOMERS CAN ALSO CONTACT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION S AUTO SAFETY HOTLINE AT 1-888-DASH-2-DOT (1-888-327-4236). |
||