2015 THOR MOTOR COACH MIRAMAR Visibilitywindshield Wiperwasherlinkages Problems

FIRST INCIDENT OCCURRED WHEN DRIVING IN A HEAVY RAIN STORM, THE PASSENGER SIDE WIPER ARM DISAPPEARED FROM THE WINDSHIELD AND EVENTUALLY BECAME ENTAGLED WITH THE DRIVERS SIDE RENDERING THE WIPERS FROM WORKING. WENT TO THE DEALER AND WAS TOLD THEY WOULD BE UNABLE TO LOOK AT IT. ANOTHER MECHANIC WAS ABLE TO INSPECT THE WIPERS AND REPOSITIONED THE WIPER ARMS TO THE SPLINES AND TESTED OK. HE TOLD ME THE PROBLEM APPEARS TO BE WITH THE SPLINES ON THE PIVOT SHAFT THAT IS NOT STRONG ENOUGH TO KEEP THE ARM IN PROPER ALIGNMENT EVEN THOUGH THE NUT HOLDING THE ARM WAS TIGHT. IT WAS FINE TILL SEPTEMBER WHEN THE WIPERS FAILED AGAIN IN THE SAME MANNER DURING A HEAVY RAINSTORM OUTSIDE ANNAPOLIS, MD. TOOK IT TO A DEALER IN DELAWARE WHICH, AFTER 5 DAYS THEY WERE ABLE TO REPAIR IT REPLACING ORDERED PARTS. I WAS NOT GIVE ANY INVOICE AS...

I HAVE HAD SEVERAL WIPER FAILURES ON MY MOTORHOME THAT THOR HAS NOT BEEN ABLE TO CORRECT. THE FIRST HAPPENED IN JANUARY 2015 WHEN DRIVING DOWN THE ROAD AT 55MPH DURING A NORMAL RAIN, THE DRIVERS SIDE WIPER ARM OVER EXTENDED CAUSING THE WIPERS TO BE OUT OF ALIGNMENT. THIS CAUSED THE PASSENGER SIDE TO INTERFERE WITH THE DRIVERS SIDE AND THE WIPERS CEASED TO FUNCTION. IT WAS TAKEN TO A DEALER WHERE THEY INSTALLED A NEW WIPER MOTOR. EVERYTHING WAS FINE TILL THE 2ND TIME IN JULY 2015, THE DRIVERS SIDE OVER EXTENDED AGAIN CAUSING THE SAME CONDITION. I STOPPED SINCE I WAS UNABLE TO SEE AND TRIED TO ADJUST THE ARM WHERE IT ATTACHED TO THE PIVOT, BUT THE PIVOT ASSEMBLY BROKE. I AGAIN TOOK IT TO THE DEALER WHERE THEY INSTALLED NEW WIPER ARMS. OVER THE LABOR DAY WEEKEND 2015, THE PASSENGER SIDE WIPER ARM WENT BELOW...