how to solve a White smoke problem, after a new engine and a new turbo?

What is your question?

Dear sir, I have a SAAB 9000 CD 1996 its make a white smoke, there is no smoke at start up when the engine cold, but when the heat raised to the middle level the smoke getting start, I also changed the engine , and change the turbo, so what is the exact problem and what is the solution. Please, can You send some images for the mechanical parts that may needed and its location