Service brakes, air: controls: foot control/valve
- Component
- Service brakes, air: controls: foot control/valve
- Manufacturer
- VOLVO GM HEAVY TRUCK CORP
- Vehicles affected
- 33,183
- Reported to NHTSA
- 1987-09-15
- Owners notified
- 1987-12-18
Defect description
FOOT CONTROLLED BRAKE VALVE MAY MALFUNCTION BY ALLOWING AIR PRESSURE TO BYPASS CONTROL PISTON O RING.
Safety risk
THESE CONDITIONS COULD CAUSE OVERLY AGGRESSIVE TRUCKBRAKING DURING NORMAL BRAKE APPLICATIONS CREATING THE POTENTIAL FOR A VEHICLECRASH.
Manufacturer remedy
REPAIR SO AS TO PREVENT BRAKE VALVE MALFUNCTION.