'84 300td turbo intake leak?

[Blackbolt]

I just bought a 300td parts car, my first Mercedes. It was in a wreck on the front passenger side that bent the frame of the car. I bought the car for the engine so I just took it for a steep hill climb which was the first time i have put any load on the engine since the test drive. Climbing the hill, I noticed that other than the usual turbo noise there was an additional loud hiss when the turbo spooled or had any pressure. Are leaks between the turbo and intake common on these cars?