Recall 85V159000 — PARKING BRAKE:DRIVELINE:HYDRAULIC:HOSES, LINES/PIPING, AND FITTINGS Defect in 1984-1985 MACK MS250P
RECALL This recall affects up to 3,308 vehicles.
Recall Summary
| NHTSA Campaign | 85V159000 |
| Manufacturer | MACK TRUCKS, INCORPORATED |
| Vehicles Affected | 3,308 |
| Component | PARKING BRAKE:DRIVELINE:HYDRAULIC:HOSES, LINES/PIPING, AND FITTINGS |
| Date Notified | |
| Affected Vehicles |
Defect Description
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.
Remedy
INSTALL A REDESIGNED VALVE SUPPORT BRACKET.
Related Recalls for MACK
| Campaign | Vehicle | Component | Date | Affected |
|---|---|---|---|---|
| 25V666000 | 2024 MACK MD (ELECTRIC) | SEAT BELTS:FRONT:ANCHORAGE | 15,841 | |
| 25V801000 | 2025 MACK PIONEER PR (4) | EQUIPMENT:MECHANICAL | 46 | |
| 25V622000 | 2025 MACK PIONEER PR (4) | EXTERIOR LIGHTING:LIGHTING CONTROL MODULE | 156 | |
| 25V495000 | 2026 MACK GRANITE GR (4) | SERVICE BRAKES, AIR:DRUM | 36 | |
| 25V521000 | 2025 MACK ANTHEM (AN) | STEERING | 32 | |
| 25V427000 | 2024 MACK MD (ELECTRIC) | ELECTRICAL SYSTEM:SOFTWARE | 148 | |
| 25V352000 | 2026 MACK GRANITE GR (4) | SERVICE BRAKES, AIR:DRUM | 5 | |
| 25V382000 | 2025 MACK GRANITE (GR) | ELECTRICAL SYSTEM:12V/24V/48V BATTERY | 8 | |
| 25V333000 | 2026 MACK MD | SEAT BELTS | 42 | |
| 25V030000 | 2010 MACK MRU | SERVICE BRAKES, AIR:ANTILOCK | 142 |