TRANSMISSION FAILED AT APPROXIMATELY 48,000 MILES. AAMCO MECHANIC INDICATES IT WAS A TORQUE CONVERTER FAILURE. THEY HAVE INDICATED THAT THIS PROBLEM IS COMMON WITH GMC AND CHEVROLET VEHICLES AT 35K TO 90K MILES. I HAVE SINCE SPOKEN WITH FOUR PERSONS WHO HAVE EXPERIENCED THE SAME TROUBLE. GMC DENIES TROUBLE WITH THEIR TRANSMISSIONS. IS THERE A LARGE NUMBER OF FAILURES OCCURRING.*AK
DT: CONTACT STATES WHILE DRIVING APPROXIMATELY 70 MPH VEHICLE LOSES COMPLETE POWER. THE SERVICE DEALER STATES THE VEHICLE HAS AN ELECTRICAL PROBLEM, AND THEY WILL TRY TO REPAIR THE PROBLEM. SERVICE DEALER REPLACED THE NAVIGATION SYSTEM, THINKING THIS WAS THE REMEDY, BUT THE PROBLEM RECURRED. VEHICLE IS AT THE SERVICE DEALER, AND HAS BEEN THEIR ON NUMEROUS OCCASIONS.*AK