Vehicle Shudder problems of the 2001 Saturn SL1

The contact owns a 2001 Saturn Sl1. The contact stated that while driving 70 mph, he heard a loud noise and the vehicle started shaking excessively. Neither the dealer nor the manufacturer was made aware of the failure. The vehicle was taken to a private mechanic who informed the contact that the transmission valve body was defective and needed to be replaced. The contact was awaiting repairs. The current and the failure mileages were 132,000. . . . . Updated 12/03/12 updated 01/11/12.