NHTSA Campaign 98V003000
PARKING BRAKE:CONVENTIONAL:AIR
Issued by FREIGHTLINER CORPORATION · Reported Jan 5, 1998 · 2,587 vehicles affected
What's wrong
VEHICLE DESCRIPTION: TRUCK/TRAILERS EQUIPPED WITH A HYDRAULIC PARKING BRAKE. A CASTING ERROR IN THE HYDRAULIC PARKING BRAKE RELAY VALVE CAUSES EXCESSIVE PRESSURE IN THE BRAKE SYSTEM WHICH CAN RESULT IN A HYDRAULIC HOSE SEPARATION.
Consequence
IF THIS OCCURS, THE POWER STEERING ASSIST WILL BE LOST AND THE BRAKES WILL BE OPERATING FROM THE BACK-UP SYSTEM.
Remedy
DEALERS WILL INSTALL A CHECK VALVE MODIFICATION KIT TO REDUCE THE SYSTEM PRESSURE.
Vehicles affected by this recall
| Make | Model | Year | Units |
|---|---|---|---|
| FREIGHTLINER | FREIGHTLINER | 1997 | 2,587 |
Source: NHTSA Campaign 98V003000 on nhtsa.gov. To check the current repair status for a specific vehicle, use our free VIN decoder.