I have a 1998 Toyoto Camry, 200,000 miles. I was told by a transmission repair shop that if service has not been kept up that a flush and/or replacement of fluids would probably result in the transmission going out. Is that true? I was told I needed the rear main seal replaced and the trans pan resealed about 10,000 miles ago. I had trans flush done at a quick lube place at about 150,000. That is the only trans service this car has ever had as far as I know. I bought the car with 33K miles. My concern is if I can't change the fluid that the transmission will fail soon. Any suggestions?