ON CERTAIN TRUCKS EQUIPPED WITH CHALMERS REAR SUSPENSIONS, THE ADJUSTABLE TORQUE ROD END CASTINGS MAY BE BRITTLE. A BRITTLE ROD END CASTING MAY FRACTURE WITHOUT WARNING, CAUSING THE VEHICLES' REAR…
CERTAIN VEHICLES FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 121, "AIR BRAKE SYSTEMS (ABS)." THE INDICATOR LIGHT THAT NOTIFIES THE DRIVER OF A MALFUNCTION…
ON CERTAIN TRACTORS EQUIPPED WITH CATERPILLAR DIESEL ENGINES, THE VARIABLE VALVE ACTUATION OIL LINE MAY WEAR AGAINST THE SHARP EDGE OF THE CYLINDER HEAD IF NOT POSITIONED CORRECTLY.
ON CERTAIN TRUCKS EQUIPPED WITH THE BENDIX ELECTRONIC STABILITY CONTROL (ESP) SYSTEM, THE SYSTEM USES MULTIPLE SENSORS AND AN ELECTRONIC CONTROL UNIT (ECU) TO CONTROL VEHICLE UNDER STEER, OVER-STEER, AND…
ON CERTAIN HEAVY DUTY TRUCKS EQUIPPED WITH ARVINMERITOR SERIES 145 OR 160 REAR DRIVE AXLES, SOME SPINDLES WERE OVERHEATED DURING THE HEAT TREAT PROCESS.
ON CERTAIN TRUCKS EQUIPPED WITH HYDRAULIC BRAKES, THERE MAY BE A DEFECT IN THE ANCHOR BOLT OF SOME BOSCH MODEL #305 PARKING BRAKE ASSEMBLIES. A DIFFERENT COATING WAS APPLIED TO…
ON CERTAIN TRUCKS AND TRACTORS EQUIPPED WITH AIRGLIDE HIGH-ARTICULATION REAR SUSPENSIONS, THE C65-1006 SWAY BAR USED IN THIS REAR SUSPENSION MAY EXPERIENCE A REDUCTION IN FATIGUE LIFE DUE TO EITHER…
ON CERTAIN HEAVY DUTY CLASS 8 TRUCKS, THE SUSPENSION HAS TRANSVERSE BEAM CASTINGS THAT MAY FRACTURE UNDER NORMAL LOADS. IF A CASTING BREAKS WHEN THE VEHICLE IS TRAVELING ON A…
