SLIDING DOOR FAILS TO CLOSE PROPERLY IF ANYTHING IS IN DOORWAY. DOOR WOULD CLOSE TO APPROXIMATELY 4 INCHES, IF ANYTHING WAS IN THE WAY, BEFORE IT OPENED BACK UP. ADULT ARM WAS CAUGHT, AND DOOR CONTINUED TO CLOSE UNTIL REQUIRED INCHES WERE MET. THEN, DOOR OPENED UP. MECHANIC CANNOT CORRECT PROBLEM.*AK