I HAVE DOODLEBUG SANTA FE 131, THAT WHEN RUNNING FORWARD SOUUND LIKE FRONT WHEEL HAS FLATS.  WHEN RUNNING BACKWARD IT DOES NOT HAVE THE FLAT SPOTS SOUND. HAVE ASK ROUND AND EVERYBODY THINKS IT HAS A BROKEN GEAR. PLEASE ADVISE, AND IT NEED
TO SEND IT IN BACKMANN FOR REPAIRS AND CHARGES.

JIM