Brake Disc Caliper problems of the 1996 Chevrolet 1500

Vehical is one family owner, has 76000 miles on it. Brakes are very bad, have replaced all hydrolics, pads hoses disc and drums, vehicle on brake application will shake very bad, and also will jerk the steering wheel back and forth. Dealer has vehicle now for at least 8 times to try and fix. Very dangerous truck, cannot be trusted. Calipers were replaced also twice on most all units on truck. Sometime 3 times. Have paid out $1500. 00 so far. The brake system on these trucks need to be investigated and recall made. Truck in dealer today for a final repair attemp. 10-01-2015.