SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP
VEHICLE DESCRIPTION: HEAVY DUTY TRUCKS. THE ANTILOCK TRACTION RELAY VALVES WERE INCORRECTLY ASSEMBLED BY THE SUPPLIER. AN EXTRA CHECK VALVE WAS INSTALLED WHICH WILL NOT ALLOW THE TRACTION CONTROL SYSTEM TO FUNCTION PROPERLY.
Remedy: DEALERS WILL INSPECT THESE VEHICLES AND ALL ANTILOCK TRACTION RELAY VALVES FOUND DEFECTIVE WILL BE REPLACED.
829 vehicles affected
SERVICE BRAKES, AIR:SUPPLY:CHECK VALVE
VEHICLE DESCRIPTION: HEAVY DUTY TRUCKS. THE CHECK VALVES IN THE AIR BRAKE SYSTEM ON THESE VEHICLES DO NOT MEET THE REQUIREMENTS OF FMVSS NO. 121, "AIR BRAKE SYSTEMS."
Remedy: DEALERS WILL INSTALL NEW CHECK VALVES ON THE VEHICLES INVOLVED.
254 vehicles affected
STEERING: STEERING WHEEL/HANDLE BAR
VEHICLE DESCRIPTION: HEAVY DUTY TRUCKS EQUIPPED WITH STEERING COLUMNS SUPPLIED BY DOUGLAS AUTOTEC. THE STEERING COLUMNS ON THESE VEHICLES MAY HAVE A DEFECTIVE OR DISLOCATED WELD.
Remedy: DEALERS WILL REPLACE THE LOWER STEERING SHAFT ASSEMBLY.
167 vehicles affected