ANALYSIS OF THE ALLEGED PROBLEM:THE CRACKING OF THE WELDED PATCH ISALLEGEDLY CAUSED BY TOYOTA'S CHANGE FROM BELTED TIRES TO RADIAL PLYTIRES.THE TIRE PRESSURE WITHIN THE INNER DUAL DROPS SIGNIFICANTLYBELOW THE OUTER DUAL GENERATING EXCESSIVELY HIGH LOADS ON THE WHEELATTACHMENT, AXLE SHAFT, AND AXLE BEARING.STATUS:INFORMATION REQUEST SENT TO SUNROSE TIRE ON 7/16/87. AWAITINGRESPONSE. SUNROSE CALLED FOR AN EXTENSION ON 9/15/87.WAS TOLD TOPUT IT IN WRITING. RESPONSE DUE 11/30/87.===