United States 78V254000
Volvo Trucks North America
The problem
THE INVOLVED VEHICLES MAY HAVE BEEN ASSEMBLED WITH AN INCORRECTLY MANUFACTURED BRAKE MASTER CYLINDER TILTING VALVE. THESE DEFECTIVE TILTING VALVES MAY DEVELOP INTERNAL LEAKAGE WITH MANY BRAKE APPLICATIONS AND CAUSE HYDRAULIC BRAKE PRESSURE LOSS IN ONE OR BOTH VEHICLE BRAKE CIRCUITS.
What owners should do
DEALER WILL EQUIP ALL AFFECTED VEHICLES WITH THE CORRECT TILTING VALVES AT NO COST TO OWNER.
Units 426