SUSPENSION:FRONT:HUB
VEHICLE DESCRIPTION: TRUCKS ASSEMBLED WITH SKF LEVEL 2 TRUCK HUB UNITS (THU) RECEIVED FROM MERITOR. THESE HUBS CAN FATIGUE CRACK.
Remedy: DEALERS WILL REPLACE THESE HUBS WITH PRODUCTION LEVEL 3 HUBS.
80 vehicles affected
SUSPENSION:FRONT:WHEEL BEARING
VEHICLE DESCRIPTION: CLASS 8 HEAVY DUTY TRUCK CHASSIS EQUIPPED WITH 16,000 LB., 18,000 LB., OR 20,000 LB. HEAVY DUTY STEERING AXLES. THE INNER WHEEL BEARING CONE FOR THE STEERING AXLE WHEEL HUB ASSEMBLY DOES NOT PROPERLY FIT ONTO THE NAVISTAR STEERING AXLE SPINDLE ASSEMBLY. IMPROPER FIT OF THE BEARING TO THE SPINDLE INCREASES THE STRESS LEVELS TO THE STEERING AXLE SPINDLE WHICH COULD CAUSE SPINDLE FAILURE.
Remedy: DEALERS WILL REMOVE THE LEFT AND RIGHT HUB/DRUM ASSEMBLIES FROM THE STEERING AXLES AND REPLACE THE INNER WHEEL BEARING CONES AND CUPS.
4,024 vehicles affected
POWER TRAIN:DRIVELINE
VEHICLE DESCRIPTION: HEAVY DUTY TRUCKS EQUIPPED WITH SPICER SPL170 55MM CENTER BERING PACKAGE. THE END YOKE RETAINING NUT CAN LOOSEN.
Remedy: DEALERS WILL REMOVE THE 55MM CENTER BEARING PACKAGE AND COUPLER SHAFT, AND REPLACE IT WITH A NEW COUPLER SHAFT AND A 60MM CENTER BEARING PACKAGE. AN INTERIM REMEDY CAN BE IMPLEMENTED BY PLACING A SPOT WELD ON THE COUPLING SHAFT THREADS UNTIL PARTS ARE AVAILABLE.
5,487 vehicles affected
ELECTRICAL SYSTEM:WIRING
VEHICLE DESCRIPTION: HEAVY DUTY TRUCKS EQUIPPED WITH PROSLEEPER BUNKS. A MICRO RELAY LOCATED BEHIND THE HVAC CONTROL PANEL IN THE BUNK CAN CORRODE FROM MOISTURE.
Remedy: DEALERS WILL REMOVE THE EXISTING RELAY AND REPLACE IT WITH A SEALED RELAY.
16,012 vehicles affected
ENGINE AND ENGINE COOLING:ENGINE
VEHICLE DESCRIPTION: HEAVY DUTY TRUCKS EQUIPPED WITH CATERPILLAR C-10 OR C-12 ENGINES. A BRACKET OR P-CLAMP AT THE REAR OF THE ENGINE THAT SUPPORTS THE COMPRESSOR DISCHARGE LINE WAS OMITTED.
Remedy: DEALERS WILL INSTALL P-CLAMPS AND A BRACKET AT THE REAR OF THE ENGINE.
1,190 vehicles affected