Parking brake: driveline: hydraulic: hoses, lines/piping, and fittings
- Component
- Parking brake: driveline: hydraulic: hoses, lines/piping, and fittings
- Manufacturer
- INTERNATIONAL TRUCK AND ENGINE
- Vehicles affected
- 71
- Reported to NHTSA
- 1994-11-22
- Owners notified
- 1994-12-06
Defect description
AT LOW AMBIENT TEMPERATURE, WITH THE PARKING BRAKE APPLIED ABD THE ENGINE RUNNING, PRESSURE CAN BUILD UP SUFFICIENTLY TO PARTIALLY PRESSURIZE THE BRAKE CHAMBER WHICH CONTROLS THE DDM PARK BRAKE AT THE REAR OF THE TRANSMISSION ALLOWING THE PARKING BRAKE TO PARTIALLY RELEASE.
Safety risk
IF THE VEHICLE IS PARKED ON A MODERATE INCLINE, THE VEHICLE CAN ROLL AWAY WITHOUT WARNING AND POSSIBLY RESULT IN AN ACCIDENT.
Manufacturer remedy
DEALERS WILL RE-PLUMB THE HYDRAULIC LINES OF THE HYDRAULIC PARK BRAKE SYSTEM PREVENTING UNINTENTIONAL RELEASE OF THE PARK BRAKE.