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.