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.
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.
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.