The defect
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.
The risk
IF THIS OCCURS, THE POWER STEERING ASSIST WILL BE LOST AND THE BRAKES WILL BE OPERATING FROM THE BACK-UP SYSTEM.
The remedy
DEALERS WILL INSTALL A CHECK VALVE MODIFICATION KIT TO REDUCE THE SYSTEM PRESSURE.
NHTSA's own wording · initiated by MFR
Vehicles covered
| Model | Model years |
|---|---|
| Freightliner | 1997 |
Components: PARKING BRAKE:CONVENTIONAL:AIR
Model years in this recall
NHTSA complaints and the number of recall campaigns for each model year this recall covers.
| Model | Year | Complaints | Recalls |
|---|---|---|---|
| Freightliner | 1997 | 3 | 2 |
Other parking brake recalls in 1998
4 of the 367 recall campaigns reported to NHTSA in 1998 concerned the parking brake; FREIGHTLINER CORPORATION filed 151 campaigns in all.
| 98V285000 6 Nov 1998 | SPARTAN MOTORS, INC. |
| 98V214000 8 Sept 1998 | GRUMMAN OLSON, INC |
| 98V101000 15 May 1998 | FORD MOTOR COMPANY |
NHTSA recalls (public domain) · all recalls of 1998