Service brakes, hydraulic: foundation components: master cylinder
- Component
- Service brakes, hydraulic: foundation components: master cylinder
- Manufacturer
- HINO DIESEL TRUCKS(USA)
- Vehicles affected
- 108
- Reported to NHTSA
- 1986-02-11
- Owners notified
- 1986-02-20
Defect description
THE RUBBER VALVE OF THE BRAKE AIR MASTER (BOOSTER) MAY TEAR DUE TO HIGH FLUID PRESSURE DEVELOPED DURING SIMULTANEOUS APPLICATION OF BOTH THE SERVICE AND REAR WHEEL PARKING BRAKE. CONSEQUENCE OF DEFECT: THE DAMAGE RUBBER VALVE RESULTS IN LOSS OF SERVICE BRAKE CAPACITY WHICH MAY LEAD TO AN ACCIDENT.
Manufacturer remedy
REPLACE BRAKE AIR MASTER (BOOSTER).