ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE
THESE HEAVY TRUCKS WERE EQUIPPED WITH EXHAUST MUFFLERS WITHOUT HEAT SHIELDING.
Remedy: DEALERS WILL INSTALL MUFFLER SHIELDS AND, WHERE NECESSARY, GRAB HANDLES.
21 vehicles affected
SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DRUM
THE BRAKE RETURN SPRINGS ON THE FRONT BRAKES CAN CONTACT THE FRONT HUBS AS THE BRAKE PADS AND DRUMS WEAR, RESULTING IN SPRING FAILURE. A PIECE OF THE FAILED SPRING CAN LODGE IN THE BRAKE CAM CAUSING THE BRAKE TO DRAG AND THE STEERING TO PULL TO ONE SIDE.
Remedy: DEALERS WILL REPLACE THE FRONT HUBS ON THE AFFECTED VEHICLES.
48 vehicles affected
EQUIPMENT:RECREATIONAL VEHICLE/TRAILER
STRAPS HOLDING THE SLEEPER UPPER BUNK IN THE RAISED POSITION CAN RELEASE WITHOUT WARNING.
Remedy: DEALERS WILL REPLACE THE UPPER BUNK RETAINING STRAPS WITH AN IMPROVED AUTOMOTIVE SAFETY BELT STYLE DESIGN STRAP.
122 vehicles affected
SUSPENSION:FRONT:SPRINGS:COIL SPRINGS
THE ALUMINUM REAR SPRING SHACKLE BRACKETS HAVE DEVELOPED CRACKS WHICH CAN LEAD TO SEPARATION OF THE BRACKETS FROM THE FRAME RAIL.
Remedy: DEALERS WILL REPLACE THE SPRING BRACKETS.
1,690 vehicles affected
STRUCTURE
THE CAB ACCESS GRAB HANDLES HAVE THINNER THAN SPECIFIED WALL THICKNESS AND ARE SUSCEPTIBLE TO FATIGUE FAILURE BREAKING AT THE BEND RADIUS NEAR THE UPPER MOUNTING BOLT HOLE.
Remedy: WESTERN STAR DEALERS WILL REMOVE AND DESTROY THE RECALLED GRAB HANDLES. NEW HANDLES WILL BE INSTALLED ON THESE VEHICLES.
5,304 vehicles affected
POWER TRAIN:CLUTCH ASSEMBLY:PEDAL/HAND LEVER(MOTORCYCLE)
PREMATURE FAILURE OF THE ALUMINUM CLUTCH RELEASE LEVER CAN OCCUR FROM STRESS CORROSION DUE TO CONTINUOUS LOADING OF THE LEVER AND EXPOSURE TO ROAD SALT SPRAY.
Remedy: REPLACE THE ALUMINUM LEVER WITH AN IRON LEVER.
10,893 vehicles affected
ELECTRICAL SYSTEM:12V/24V/48V BATTERY:CABLES
WHEN BRAKE AIR LINES AND BATTERY ELECTRICAL CABLES ARE ROUTED THROUGH THE ANGLE BRACKETS ON THE FRAME RAILS, THE LEAF SPRING MAY RUB AGAINST THE BATTERY CABLES OR AIR LINES, CAUSING FRAYING AND EVENTUALLY RUPTURE.
Remedy: REROUTE BATTERY AND AIR LINE HOSES AWAY FROM THE REAR TRANSMISSION SUPPORT SPRING.
196 vehicles affected