12316B - SERVICE UPDATE (REVISED PARTS INFORMATION). THIS BULLETIN PROVIDES A SERVICE PROCEDURE TO REPLACE THE DIFFERENTIAL CARRIER ASSEMBLY ON CERTAIN VEHICLES. THE WELD BETWEEN THE RING GEAR AND CARRIER MAY NOT BE TO SPECIFICATION AND COULD ALLOW THE RING GEAR TO SEPARATE. IF THIS OCCURS, THE DRIVER CAN APPLY THROTTLE BUT THE VEHICLE WILL NOT MOVE. IF THIS OCCURS WHILE THE VEHICLE IS IN MOTION, THE VEHICLE WILL COAST TO A STOP.
