VEHICLE SPEED CONTROL:SPRINGS
VEHICLE DESCRIPTION: HEAVY DUTY TRUCKS, BUS CHASSIS-COWL, AND BASIC CHASSIS MODELS EQUIPPED WITH CUMMINS 5.9L 160 HORSEPOWER ROTARY INJECTION PUMP DIESEL ENGINES. THE ACCELERATOR RETURN SPRINGS CAN FRACTURE.
Remedy: DEALERS WILL REPLACE THESE SPRINGS WITH A TORSION SPRING DESIGN.
2,500 vehicles affected
VEHICLE SPEED CONTROL
FRICTION BETWEEN THE ACCELERAT0R LEVER AND THE AUTOMATIC TRANSMISSION MODULATOR LEVER CAN RESULT IN INTERFERENCE BETWEEN THE TWO LEVERS WHICH COULD PREVENT THE ENGINE FROM FULLY RETURNING TO IDLE.
Remedy: DEALERS WILL INSTALL A REVISED MODULATOR LEVER ON THE INVOLVED VEHICLES.
260 vehicles affected
STEERING:RACK AND PINION
THE STEERING GEARS HAVE AN IMPROPERLY MACHINED SNAP RING GROOVE. THIS CAN CAUSE A FRACTURE OF THE SNAP RING WITH SUBSEQUENT DAMAGE TO THE RECIRCULATING BALL GUIDE TUBE. ALSO, THE O-RING SEAL IN VEHICLES BUILT AFTER FEBRUARY 1988 DOES NOT MEET SPECIFICATIONS AND IS INADEQUATE, CAUSING INTERIOR LEAKAGE AROUND THE O-RING / GLIDE RING SEAL IN THE STEERING GEAR.
Remedy: DEALERS WILL REBUILD THE STEERING GEAR. IF A BROKEN SNAP RING IS FOUND DURING REBUILDING, THE STEERING GEAR WILL BE REPLACED WITH A REMANUFACTURED UNIT.
12,700 vehicles affected
ELECTRICAL SYSTEM:12V/24V/48V BATTERY
SYSTEM: ELECTRICAL SYSTEM; BATTERY. VEHICLE DESCRIPTION: MEDIUM DUTY SCHOOL BUS CHASSIS EQUIPPED WITH HYDRAULIC BRAKES, TILT HOODS, 5.9L, 6.6L OR 7.6L DIESEL ENGINES OR 6.1L OR 7.0L GASOLINE ENGINES AND ORIGINALLY SOLD OR CURRENTLY REGISTERED IN CONNECTICUT, ILLINOIS, INDIANA, MAINE, MASSACHUSETTS, MICHIGAN, NEW HAMPSHIRE, NEW JERSEY, NEW YORK, OHIO, PENNSYLVANIA ,RHODE ISLAND, VERMONT, AND WISCONSIN. THE BATTERY POWER JUNCTION BLOCK MOUNTED ON THE RIGHT FENDER APRON, WHICH SERVES AS AN ELECTRICAL CONNECTION POINT FOR SEVERAL ENGINE COMPARTMENT SYSTEMS, IS SUSCEPTIBLE TO ROAD SPLASH. THE TERMINALS AT THE JUNCTION BLOCK CAN EXPERIENCE CORROSION AND CAN FRACTURE, CAUSING LOSS OF ELECTRICAL POWER AND ENGINE SHUTDOWN.
Remedy: DEALERS WILL REPLACE THE JUNCTION BOX, MAIN POWER TERMINAL THE STARTER OR STARTER RELAY AND TERMINALS AT THE EXISTING JUNCTION BLOCK. THE WIRING OF THE HYDRAULIC BRAKE CIRCUIT WILL ALSO BE MODIFIED BY BYPASSING THE JUNCTION BLOCK. THE NEW TERMINALS WILL BE MADE FROM AN ALLOY MATERIAL MORE RESISTANT TO SALT CORROSION.
3,660 vehicles affected