I WORK AT MARYSVILLE AXLE PLANT , MARYSVILLE MI ,THEY HAVE HAD A SERIOUS PROBLEM WITH THE REAR AXLE CATCHING FIRE DUE TO AXLE SHAFT BEING TIGHT AT THE BEARING CAUSING THE BEARING JOURNAL RUBBING ON THE BEARING DURING VEHICLE OPERATION CAUSING FIRE ,I HAVE BEEN TOLD OF 4 VEHICLES CATCHING FIRE BY MY SUPERVISOR , THEY ARE TEARING APART AXLES AT AN OFF SITE WAREHOUSE NEAR THE AXLE SHAFT SUPPLIER IN CORUNNA MI , I DON'T KNOW WHO THEY ARE USING TO DO THIS WORK OR IF THEY ARE EVEN QUALIFIED TO DO IT. I HAVE BUILT THESE AXLES FOR OVER 20 YEARS AND THERE IS A LOT TO REBUILDING THEM INCLUDING AIR TESTING FOR LEAKS , THIS PLANT IN MARYSVILLE MI IS RUN BY ZF AND ALL WHO WORK HERE ARE LEASED FCA EMPLOYEES ON PLANT FLOOR,I HAVE NOT SEEN ANYTHING AS FAR AS A RECALL AND I FEEL THIS IS VERY SERIOUS AS THE REAR AXLE IS NEAR THE FUEL TANK AND I FEEL THEY ARE TRYING TO HIDE THIS BY DOING ALL REPAIR OFF SITE AND NOT HAVE TO ANNOUNCE A RECALL AS I HAVE BEEN TOLD THOUSANDS HAVE TO BE REPAIRED PLEASE DON'T TAKE THIS LIGHTLY AS I FEEL ITS VERY IMPORTANT YOU FOLLOW THRU WITH AN INVESTIGATION , THIS HAS BEEN GOING ON FOR THE PAST 3 WEEKS , THANKS FOR YOUR VALUABLE TIME.