Service brakes, air: antilock
- Component
- Service brakes, air: antilock
- Manufacturer
- VOLVO GM HEAVY TRUCK CORP
- Vehicles affected
- 83
- Reported to NHTSA
- 1991-11-12
- Owners notified
- 1991-11-19
Defect description
THE PARKING BRAKE MAY NOT EXERT SUFFICIENT FORCE TO ENABLE THE VEHICLE TO CONFORM TO THE GRADE HOLDING REQUIREMENTS OF FMVSS 121.
Safety risk
VEHICLES WITH INSUFFICIENT PARKING BRAKE FORCE CAN ROLLWITHOUT PRIOR WARNING WHEN PARKED ON A GRADE, THIS COULD RESULT IN A VEHICLEACCIDENT.
Manufacturer remedy
REPLACE THE PARKING BRAKE CHAMBERS.