Service brakes, air
- Component
- Service brakes, air
- Manufacturer
- FREIGHTLINER CORPORATION
- Vehicles affected
- 348
- Reported to NHTSA
- 1998-11-05
- Owners notified
- 1999-03-10
Defect description
VEHICLE DESCRIPTION: HEAVY DUTY TRUCKS EQUIPPED WITH AUTOMATIC TRANSMISSIONS AND AN OPTIONAL SHIFT SELECTOR WITH A PARK BRAKE POSITION. THESE VEHICLES DO NOT COMPLY WITH THE EMERGENCY BRAKE SYSTEM REQUIREMENTS OF FMVSS NO. 121, "AIR BRAKE SYSTEM." IF THE SECONDARY AIR SYSTEM IS DRAINED, THE SPRING BRAKES WILL APPLY AND THE ABILITY TO APPLY, RELEASE, AND MODULATE THE SERVICE BRAKES WILL BE LOST.
Safety risk
INCREASED BRAKING EFFORT WILL BE REQUIRED, INCREASING THE RISK OF A CRASH.
Manufacturer remedy
DEALERS WILL REPAIR THE BRAKE SYSTEM ON THESE VEHICLES.