cracked

Hi all, I recently got hold of a cheap 1993 5dr LPT c900 I intend to use as a winter car (one winter in a SEAT was enough :cheesy:) Car has 242k km and is generally in sound mechanical condition. A point of woory to me is that I have noticed coolant dripping from the turbo on cold starts...

Replacing Radiator on 2003 9-3 SE Convertible 2.0 (Belt broke in the middle of traffic decided to make the decision to drive 2 miles to the closest auto zone and bought another belt.. well long story short she overheated and cracked where the plastic tank meets the metal on the radiator...

Dropped the oil pan today... cleaned up and everything. Didnt look awful, screen was clogged some it appeared. Restarted car later and it sounded much more quiet which is good. The reason I dropped the pan though was because of the low oil light coming on and awful engine ticking and engine...

On start up been having white clouds of smoke coming out muffler every once and a while, and once had smoke continue to blow on acceleration for about a minute after start up. Also i have been hearing weird noises from my engine on acceleration sometimes? Do these all seem like turbo failing...