Prepare the pudding according to package with the 5 cups of milk.
In a large punch bowl, start with one layer of the cake, broken up into pieces. Spread with half of the pudding, then slice three bananas over the pudding. Then layer 1 can drained pineapple, one can pie filling, 1/2 cup strawberries and half of the coconut. Repeat in the same order with the remaining ingredients. Top with whipped topping, then sprinkle with chopped pecans. Chill and serve.